NT1+2a/b+V.24 ISDN Network Terminating Unit with two analog interfaces and one data interface V.24 (RS232) U ~ B1 B2 NT1+2a/b+V.24 User manual © ELCON Systemtechnik GmbH 2000 Poland 7111-1 A Access code Alternating between two call partners Analog interfaces AT Command set C Cable coupling Call waiting Call waiting enable CFB CFNR CFU Clearback time delay CLIP CLIR CLIR per call COLR Configuration Connection facilities CUG D Demounting Description DIP Switches Distinctive ringing E Extended passive bus F Fastening the device Features G Global call H HOLD Hotline call I Initial commissioning Interfaces ISDN 11 19 31 19 14 17 18 16 15 16 16 16 16 11 16 10 10 14 26 13 18 15 11 L LED display Local software update M MCID Mounting MSN O Operation P Pin assignment at data interface V.24 (RS232) Pin assignment of RJ11 jacks at S/T interface Pin assignment of RJ45 jacks at analog interfaces Point-to-point configuration Protocol R Reset (Hardware) RESUME RETRIEVE S S-bus configuration Safety precautions Scope of delivery Selection of mounting site Short passive bus Software installation State upon delivery SUSPEND System prerequisites T Technical data Technical description Terminating resistors Three Party Conference (3PTY) Type of terminal equipment V V.24 interface Y Y Configuration 21 36 20 12 11 30 30 30 14 16 20 18 13 6 22 11 20 28 26 19 12 NT1+2a/b+V.24 Contents Disk This disc includes the drivers for your NT1+2a/b+V.24 and the configuration software „NT1+2a/b+V.24 configurator“ Hint: • • • • 40 NT1+2a/b+V.24 You can download the actual driver software from internet: www.elcon-system.de Select the language and press the button “Products” Choose “E0” and select “NT1+2a/b+V.24” Now press the button “Drivers and software for configuration” There you can find the language you need Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 1.1 1.2 1.3 1.4 2.1 2.2 2.3 2.4 2.5 3.1 3.2 3.3 3.4 3.5 3.6 4.1 4.2 4.3 4.4 4.5 4.6 5.1 5.2 Annex Annex A Annex B Annex C Annex D Annex D.1 Annex D.2 Annex D.3 Annex D.4 Annex D.5 Annex D.6 Introduction Description of the NT1+2a/b+V.24 The NT1+2a/b+V.24 in use System prerequisites for installation of the NT1+2a/b+V.24 Safety precautions Mounting Scope of delivery Selection of mounting site / Fastening the device NT1+2a/b+V.24 Connection facilities and realization of cable coupling Configuration of DIP switches Procedure for demounting the NT1+2a/b+V.24 Operation of the NT1+2a/b+V.24 Initial commissioning State upon delivery Configuration of the analog ports via DTMF Using ISDN services with analog telephones LED display at the device Operation of the NT1+2a/b+V.24 in case of local power-supply breakdown (emergency mode) Using the NT1+2a/b+V.24 as ISDN modem Installation procedure Windows 95/98 software installation Windows NT 4.0 software installation Configuration Configuration for Internet Configuration for AOL/CompuServe Technical data Technical description Technical data Pin assignment of the RJ 45 jacks at S/T interface Pin assignment of the RJ 11 jacks at the analog interface Pin assignment at data interface V.24 (RS232) AT command set for computer access AT command set ISDN access control Subaddressing Local software update List of NT1+Configurator commands (Analog port AT commands) NT1+Configuration commands Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 2 6 10 10 11 11 11 11 18 21 21 22 22 22 23 24 25 26 26 26 28 30 30 30 30 31 31 35 36 36 37 38 NT1+2a/b+V.24 1.1 Introduction Description of the NT1+2a/b+V.24 NT1+2a/b+V.24 FWSTART The NT1+2a/b+V.24 is the ISDN network terminating unit at subscriber´s side (NTBA) with two independent analog interfaces and an additional V.24 data interface that enables direct connection of PCs The two ISDN interfaces (S/T interfaces) allow direct connection of your ISDN-capable terminals Apart from this, it is possible to link to the NT1+2a/b+V.24 up to eight ISDN terminals by establishing an ISDN S bus If you have at your disposal analog terminals, for example telephones, fax devices, modems or answering machines, you can connect them directly to the analog interfaces at the NT1+2a/b+V.24 Your existing analog devices are now able to provide you with a wide range of ISDN services, such as Call Forwarding, Three Party Service and Calling Line Identification Presentation Terminal adapters (TA) for connecting the analog terminals to the ISDN are no longer required The data interface V.24 integrated in the device NT1+2a/b+V.24 allows you problem-free connection of your PC, of which you simply have to link the network termination to a free COM interface Using the software delivered you can open the door to a variety of application fields, for instance internet, E-mail or computer-based fax transmission Start new firmware This command starts new firmware previously stored in the NT1+2a/b+V.24 The firmware stored in the upper part of the flash memory will be loaded into the executable part of the FlashProm and started Starting includes a hardware reset of the NT1+2a/b+V.24 Note: If new functionality has been added, your configuration stored last may be lost LOAD Load stored parameter setting All parameters stored in non-volatile RAM will be loaded QUIT, EXIT, GO Activate parameter changes Activates the actual parameter settings and leaves the configurator (without storing the parameter in non-volatile memory) RESET U ~ B1 B2 NT1+2a/b+V.24 Reset NT1+2a/b+V.24 Resets the whole functionality of the NT1+2a/b+V.24 by a forced hardware reset (like Power off / on) SAVE st Network 230 V~ analog interface ISDN U interface analog interface nd Store parameter changes Stores the actual set of parameters in non-volatile memory SBUSCONFIG Bus type configuration Carries out configuration of S/T-bus type Internet 0: 1: S bus for up to ISDN terminals Short passive bus Point-to-point/extended bus V.24 data interface Figure 1: View of the NT1+2a/b+V.24 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 D.6 NT1+Configuration commands DEFA Default settings Sets up factory default parameter setting DEFA 0: DEFA 1: Setup all parameters concerning data port Setup all parameters including ISDN protocol and MSN settings EMERGENCY Emergency Handling (Setting of emergency allowance/priority interface) In emergency mode only that interface is available that has been given priority The other interfaces are disabled When assigning emergency allowance to the chosen S/T interface, please keep in mind that on S bus only one ISDN-terminal shall be activated as emergency terminal (see also operating instructions for the ISDN terminal) EMERGENCY=0 EMERGENCY=1 EMERGENCY=2 EMERGENCY=3 S/T is emergency interface a/b1 is emergency interface a/b2 is emergency interface a/b1 or a/b2 is emergency interface (dynamic) NT1+2a/b+V.24 1.2 The NT1+2a/b+V.24 in use The user of the ELCON NT1+2a/b+V.24 can dispose of three different interface types designed for connection of a variety of terminals These are: • the S/T interface • both a/b interfaces • the data interface V.24 (RS232) The S/T interface offers connection of two digital ISDN terminals via RJ45 connectors Apart from this, you can establish an S bus, thus linking up to eight digital ISDN terminals with the NT1+2a/b+V.24, whereby four of these terminals can be powered at the same time from the NT1+2a/b+V.24 via S bus With help of the RJ 11 plug connector, one analog terminal can be directly connected to each of both a/b interfaces Besides, establishing a hard-wired connection is also possible at the analog interfaces The data interface V.24 (RS232) allows direct connection of personal computers via their COM interface For establishing a data transmission line, a 9-pole SUB D-cable is used that is linked at one side with a free COM interface at the computer, and at the other – with the NT1+2a/b+V.24 For connection with a 25-pole SUB D COM port at the computer, an adapter DB - DB 25 has to be used The figure below shows some application fields of the NT1+2a/b+V.24 analog digital (The dynamic allocation of emergency activates the a/b interface which is the first to receive the incoming call, resp to start the outgoing call The other a/b interface is switched-off.) FWLOAD Load new firmware This command loads new firmware into the NT1+2a/b+V.24 without starting The firmware will be stored into the unused upper part of the flash memory During the uploading procedure the NT is working normally DECT a/b1 Figure 2: Sample application 38 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB a/b2 V.24 S/T NT1+2a/b+V.24 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 1.3 System prerequisites for installation of the NT1+2a/b+V.24 To offer usage of the whole range of services provided by the NT1+2a/b+V.24, the following conditions should be fulfilled: • • • • • For local power supply, an appropriate 230 VAC mains connection is required For connection to the ISDN you need an ISDN subscriber line (U) with line code 2B1Q and transfer protocol Euro ISDN DSS 1, provided by your telecommunications network operator Regarding the configuration of your NT1+2a/b+V.24, please ask your telecommunications network operator Only such devices that will meet the electric safety requirements according to EN 60950 and that are marked with the CE symbol shall be connected to the interfaces of the NT1+2a/b+V.24 The terminals shall be equipped with appropriate connectors, otherwise adequate adapters can be used The terminals shall be connected only to the corresponding interfaces that have been designed for them NT1+2a/b+V.24 Please execute the following steps to update the NT1+2a/b+V.24 locally: • Get a new software release for the NT1+2a/b+V.24 from your supplier and copy it to your PC • Start a terminal emulation on your PC with the capability to run an X-MODEM file transfer (i.e HyperTerminal) • Enter the AT command “AT**FWLOAD“ • Wait for end of erasing the Flash-EPROM and the prompt to start your XMODEM transfer • Start the 1kX-MODEM file transfer (send file or upload) by selecting the Transfer / Send File menu point in your terminal emulation and select the new software • After completion you will get the information whether the software update ended successfully or erroneously • Give the NT1+2a/b+V.24 about 20 seconds to activate the new software • Due to new functionality, the configuration setting stored last may be lost, please check this before using the device To set factory default values please use the command "AT&F1" Note: Using the data interface V.24 requires below given additional conditions: • • • • • • IBM-compatible computer running at a clock frequency of > 75 MHz Operating memory 16 Mbyte Free hard disc memory 50 Mbyte CD-ROM disc drive Operating system Windows `95 or Windows `98 Free serial interface (COM- Port) with interface module UART 16550 (Data transfer rate > 115 kbps; better > 230 kbps) Most of the personal computers manufactured in 1996 are already equipped with the required serial interface module In case of questions or problems related to this topic, please contact the manufacturer or seller of your computer Note: D.5 Due to an error it may happen that no firmware is active within the NT1 This will be indicated by flashing of the LEDs L1, L2, B1, B2 (Bootloader active) To store a new firmware correctly, you have to enter the command AT**FLASH and to load a firmware using the XMODEM protocol as described above After altering one of the profile values marked by (#1) you have to enter the additional commands SAVE and GO This is necessary to save and activate these new parameters List of NT1+Configurator commands (Analog port AT commands) AB/1.APLUGSWITCH AB/2.APLUGSWITCH Enable plug switching After going on hook the line will not be disconnected for the time adjusted in APLUGSWITCHTIME This makes it possible to change the analog devices AB/.APLUGSWITCH=1 AB/.APLUGSWITCH=0 AB/1.APLUGSWITCHTIME AB/2.APLUGSWITCHTIME Enable plug switching Disable plug switching Plug switching time AB/.APLUGSWITCHTIME=1 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Plug switching time The value shall be entered in 50 ms steps Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 37 NT1+2a/b+V.24 Note: If you are not sure, in which format the calling number will be presented with an incoming call, please use the command ATV2 to identify the format of the calling number in the RING message This number can be entered into the ACCTAB D.3 Subaddressing With outgoing and incoming calls the transmission of subaddresses can be performed using the ISDN supplementary service SUB The subaddress is transmitted transparently from the calling party to the called party before the B-channel connection is established Please note, that this ISDN service typically has to be enabled by the ISDN service provider and may be charged additionally The subaddress is separated from the called number by a slash “/“ NT1+2a/b+V.24 1.4 Safety precautions Before installing and commissioning the NT1+2a/b+V.24, please read these operating instructions thoroughly These instructions will help you to use the device to its full extent and to avoid damage resulting from improper application • • • • • The functionality Subaddressing can be used with the dialling procedures AT-command set, PAD X.3 and automatic call • Examples: • • ATDisdnnumber[/subaddr] isdnnumber Dialling called party number subaddr Called subaddress RING [[/subaddr]] CONNECT [[/subaddr]] rn Calling party number subaddr Calling party subaddress The NT1+2a/b+V.24 has been manufactured according to state-of-the-art technology and corresponds to well-accepted safety regulations Please make sure that the device is operated only in faultless condition and that these operating instructions are observed Only authorized specialists are allowed to operate the NT1+2a/b+V.24 After connecting the device, install the right supply voltage (→ Technical data)! The NT1+2a/b+V.24 has no individual component for interrupting the supply voltage The device must be placed within 1.5 meters from the mains socket Care should be taken when installing the power supply and the connection cables to avoid the risk of accidents (such as tripping over the cables) The device shall be operated only within a temperature range from °C to +40 °C In case of device failure please contact the manufacturer or the representative in your vicinity Apart from these safety precautions, installation and operation instructions are also given in the respective chapters We reserve the right to modify the contents of these operating instructions The own subaddress (calling subbaddress) can be setup using the configuration command SUB Note: D.4 The subaddress can be entered additionally into all tables that contain ISDN numbers for dialling or checking an ISDN address Local software update The NT1+2a/b+V.24 uses a Flash-EPROM for software updates to store the operational software This software can be updated from a locally connected PC via the COM port or via a remote configuration connection 36 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 2.1 Mounting Scope of delivery • • • • • • • 2.2 NT1+2a/b+V.24 Z NT1+2a/b+V.24 – ISDN network terminating unit with two analog interfaces and one data interface V.24 (RS232) Mounting accessories (dowels, screws, drilling template) Mounting and operating instruction Software for configuration of the NT1+2a/b+V.24 (optional) Floppy disk with installation software Windows 95/98 and Windows NT (optional) V.24 Standard modem cable SUB-D 9-pole (1:1) (optional) V.24 COM port adapter DB - DB 25 (optional) Selection of mounting site / Fastening the device NT1+2a/b+V.24 The NT1+2a/b+V.24 is designed for wall mounting Select an appropriate mounting spot for the device near to the U-subscriber line from your network operator Apart from this, the device has to be installed near the 230 V mains socket, since the power plug represents the link to the supply mains Make sure that the power plug is always easy accessible The cable length is 1.5 m Please make sure that there are no other concealed supply lines (e.g power, water, gas, telecommunication supply lines) and that the device is not exposed to direct insolation Apart from this, the device shall be protected from moisture The active configuration will be reset to the stored configuration This must be the last command in an AT command string ATZ D.2 Important note: After mounting and cabling the device not forget to replace the cover again Operating the device without protective cover is not allowed, due to the danger of voltage-carrying parts being contacted by mistake ISDN access control Using these commands you can setup a table, to allow only definite callers to get a connection to the NT1 If this list is empty (default) or one entry is set to star (*), any incoming call is allowed Every incoming call that does not fit to one of the entries of ACCTAB will be ignored The received calling party number is compared to every entry beginning at the last digit and is stopped when the shorter number is completely compared acctabx nn/ss acctabx acctabx * acctabx acctab The hints required for mounting the device are to be found directly on the drilling template Due to the chosen mounting holes it may be necessary to remove the cover Before removing the cover, make sure that the circuit is dead To remove the cover, press the locking pins on both sides of the device inwards and at the same time remove the cover In case you want to implement hardwiring of your terminals, connect the cables before closing the device Mounting of the cover shall be performed in reverse way, slipping on the upper cover part until the locking pins will audibly snap into place Load stored settings set entry number x to ISDN number nn and subaddress ss clear entry number x allow all incoming calls to be accepted show entry number x show all entries Maximum number of entries = 5; x = Maximum length of ISDN number = 20 digits Maximum length of subaddress = 20 digits The ISDN number nn can contain wildcards: * : represents one or more digits ? : represents exactly one digit Note: If a subaddress is set, the received calling subaddress must be identical with the subaddress that has been set Examples: acctab1 1234567890 acctab2 *456* acctab3 ?2345678?? acctab2 *1234/987 acctab3 * acctab3 - Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB accept only specified number accept all numbers with 456 somewhere in the middle accept all number with 2345678 in the middle peceeded by one digit and followed by two digits accept all numbers that end with 1234 and have the subaddress 987 accept all incoming calls without subaddress clear entry no Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 35 NT1+2a/b+V.24 H Disconnect Disconnects existing ISDN data connection after issuing the Escape sequence ATH I Display version information NT1+2a/b+V.24 2.3 Connection facilities and realization of cable coupling Below figure shows the connecting sockets of the NT1+2a/b+V.24 with the corresponding designation At the cable bushing points the inside device is equipped with terminal blocks for hard wiring (except for the power supply connection) These terminal blocks are accessible after opening the casing cover ~ U S/T S/T a/b1 a/b2 V.24 Displays different information about version number and settings: ATI ATI1 ATI2 ATI3 ATI4 ATI5 ATI6 ATI9 ATI99 O Returns the "Modem"-type; name of the terminal adapter (“NT1+2a/b+V.24“) Returns internal checksum (“64“) Returns “OK“ Returns version string: "NT1 5.xy.z0" Returns manufacturer´s name: "ELCON Systemtechnik GmbH" Returns ISDN-selected protocol: "0 - DSS1" Returns copyright string: "(c) Copyright ELCON Systemtechnik GmbH" Returns plug-and-play ID string Returns software creation date Return to online state If the NT1+2a/b+V.24 is in the command mode after issuing an escape sequence out of an existing connection, ATO brings the NT1+2a/b+V.24 back to the data phase This must be the last command in AT string ATO &W Store active configuration The active configuration will be stored in non-volatile memory AT&W 34 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB S/T interface RJ 45 ISDN U interface Supply cord Analog interfaces RJ 11 Hard-wired analog ports Data interface V.24 Hard-wired S/T interface Figure 3: Connection facilities As shown in above figure, three different types of interfaces for terminal connection are available to the user of the ELCON NT1+2a/b+V.24 These are: • the S/T interface • both a/b interfaces • the data interface V.24 (RS232) The S/T interface offers connection of two digital ISDN terminals via RJ45 connectors Apart from this, you can establish an S bus, thus linking up to eight digital ISDN terminals with the NT1+2a/b+V.24, whereby four of these terminals can be powered at the same time from the NT1+2a/b+V.24 via S bus When establishing the S bus, keep in mind to terminate the bus by terminating resistors (100 Ω) (see below scheme) For establishing the S bus in Y-configuration, both ends of the bus shall be terminated by terminating resistors The exact pin assignment of the RJ45 connectors is described in Annex A Furthermore, it shall be mentioned that the S/T interface, resp the S bus, can be operated in two different configurations: The first configuration type is the so-called „short passive bus“, and the other – the „extended passive bus“ with the „point-to-point“ configuration The transmission range that can be reached with either of above mentioned variants, as well as the form of the two bus types, are presented in below figure Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 NT1+2a/b+V.24 D ≤ 220 m NT1+2a/b+V.24 S bus T R < 10 m TE TE up to TE‘s TE T R Dials the number (D for Dial) The dial modifiers "W", ">", "T", ";", "@" can be freely inserted in the dial string; they have no influence on the dial procedure of the NT1+2a/b+V.24 This must be the last command in an AT command string Any character input during the NT1 dialling procedure will cancel the dialling TE ATD[/] Figure 4: Short passive bus CALLEDnumber: ISDN call number for a dialled B channel connection or X.25 number for X.31 D channel subaddr dialled subaddress NT1+2a/b+V.24 S bus T R < 10 m TE TE up to TE‘s TE Initiate an outgoing call T R ATDL Note 1: Note 2: Dial the last dialled number To setup the own subaddress see configuration command SUB Adding an "e" to CALLEDnumber indicates that a connection to the internal remote access of a NT1+2a/b+V.24 shall be performed, the protocol X.75 (ATB10) has to be used TE Figure 5: Y configuration ≤ 500 m 1000 m E ≤ 25 m 50 m NT1+2a/b+V.24 S bus T R < 10 m TE TE up to TE‘s ≤ 850 m 1700 m (< dB attenuation at 96 kHz) S bus < 10 m ATE ATE1 &F No local echo Local echo on in command phase (default) Load factory defaults Factory default will be loaded, ISDN protocol setting and MSN´s will not be overwritten (For storing in non-volatile memory please use the command AT&W) Figure 6: Extended passive bus T R Selects the local echo in command mode T R TE Local echo NT1+2a/b+V.24 T R AT&F AT&F1 Setup all parameters concerning data port Setup all parameters including ISDN protocol and MSN settings TE Figure 7: Point-to-point configuration Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 33 NT1+2a/b+V.24 The parameter settings of the NT1+2a/b+V.24 obtained when using the AT commands can be permanently stored (AT&W) and are not lost when resetting or by leaving the AT command mode To enter the AT command mode during an active data connection, use the following sequence ("Escape sequence"): at least sec pause sec pause The time gap between all three plus signs shall not exceed sec The escape sequence is transmitted transparently to the remote device Supported ISDN and NT specific AT commands A/ Repeat last command string This command repeats the commands of the last entered command string Note: No prefix AT is required A/ A Accept incoming calls With this command you can accept an incoming call if automatic call acceptance is not set (Register S0 = 0) An incoming call is displayed by the message “RING“ or the code “2“ This must be the last command in an AT command sequence NT1+2a/b+V.24 The wire pairs, responsible for „transmitting“ and „receiving“, are electrically terminated (with 100 Ω each) by appropriate terminating resistors → TR of the S bus Unlike the Yconfiguration of the short passive bus, the terminating resistors of the first S-bus end are accommodated inside the NT1+2a/b+V.24 With the Y-configuration of the short passive bus, the device-internal terminating resistors have to be switched off by means of DIP switches (Figure 9) The terminating resistors at the second end of the S bus are preferably installed in the last (most distant from the NT1+2a/b+V.24) junction socket or, alternatively, plugged in one of the RJ 45 jacks at the last junction socket With help of RJ 11 plug connector, one analog terminal can be directly connected to each of both a/b interfaces Besides, establishing a hard-wired connection is also possible at the analog interfaces However, the length of such a hard-wired line shall not exceed 250 m You will find the exact pin assignment of the RJ 11 connectors in Annex B The data interface V.24 (RS232) allows direct connection of personal computers via their COM interface For establishing a data transmission a 9-pole SUB D-cable is used that is linked at one side with a free COM interface at the computer, and at the other – with the NT1+2a/b+V.24 A „1 to 1“ modem cable is recommended to be used as data transmission cable The cable shall be fixed to the devices by appropriate screws and protected from tensile loads The pin assignment at the connectors is shown in the Annex C Attention: Cable coupling • ATA • B Set B-channel protocol Transmission protocol for data transfer • ATB protocol no 10 13 31 32 B-channel protocol V.110 asynchronous HDSL transparent X.75 SLP V.120 async MLPPP Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB The cables for connecting the terminals to the NT1+2a/b+V.24 interfaces shall be protected against overvoltage, since this may cause damage to the terminals connected or the NT1+2a/b+V.24! • • Connect the ISDN cable of your network operator to the U interface at your NT1+2a/b+V.24 Now connect your analog terminals For connection you can either plug-in the RJ11-plugs into the determined jacks (a/b1 and a/b2) or establish a hard-wire connection for your analog terminals For this you have to remove the cover (see chapter 2.2) Your ISDN terminals can be connected to the corresponding jacks (S/T) by means of the RJ45-plugs Alternatively, you can establish an S bus to which the terminals can be linked Now plug-in your mains plug in a 230 VAC power supply socket Your NT1+2a/b+V.24 with all terminals connected is now ready for operation, offering the manufacturer´s default settings If you want, you can connect your PC with the NT1+2a/b+V.24 as described above Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 2.4 Configuration of DIP switches Upon delivery the DIP switches have default setting as shown below Except for disconnecting of the termination resistors, the DIP settings shall not be changed NT1+2a/b+V.24 Annex D AT command set for computer access The settings of the NT1+2a/b+V.24 for the V.24 interface, the a/b interfaces and the S/T interface are called configuration The NT1+2a/b+V.24 is delivered with a set of pre-set values In the following section it will be shown how, by using the configuration commands, you can examine the configuration of the NT1+2a/b+V.24 and, if necessary, change it The values can be stored in non-volatile memory; this means they will remain unchanged even if the power supply is disconnected 100 ohms bus termination resistors (default setting) ON You can configure the NT1+2a/b+V.24 in the following ways: • by using the AT command set entered by the locally connected PC • by using the configuration software which is delivered with your NT1+2a/b+V.24 Figure 8: DIP switches (default setting) 100 ohms bus termination resistors switched off (NT1+2a/b+V.24 without internal termination resistors) ON D.1 Figure 9: DIP switches (termination resistors switched off) 2.5 Procedure for demounting the NT1+2a/b+V.24 For demounting the NT1+2a/b+V.24 first disconnect all cables, beginning with the power supply cord If your terminals are hard wired, you have to remove the cover Now the device can be taken from the wall It may be necessary to remove the cover as well in order to get access to the screws to be released 10 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB AT command set All parameters can be changed by using an extended AT command set described in this chapter Please check if the factory setting will fit with your environment The factory setting is described (highlighted) in the parameter list shown in chapter "AT command set" (see below) If you want to have another configuration than the factory default settings, please execute the following: • Connect the NT1+2a/b+V.24 to the ISDN interface • Connect the PC´s COM port to the V.24 interface of the NT1+2a/b+V.24 • Connect the power supply to the mains socket • Start a terminal emulation on your PC, please verify that the baudrate setting of the terminal emulation fits those of the NT1+2a/b+V.24 • Set up the parameter of the NT1+2a/b+V.24 from the terminal emulation and save the parameter using the AT command set Example: To change the used B channel protocol to X.75 please enter the following commands: ATB10 (set protocol to X.75) AT&W (save the new configuration) • Leave your terminal emulation and start your application program With the exception of the command A/ (Repeat command), all commands begin with the prefix AT and end with Corrections in a command string are done with A command line has a maximum of 80 characters The command line is automatically cancelled by longer input Blanks are ignored, capital/small letters are not significant Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 31 NT1+2a/b+V.24 Annex A Pin assignment of the RJ 45 jacks at S/T interface Pin Transmission function not used not used Receive + from terminal equipment (Rx+) Transmit + to terminal equipment (Tx+) Transmit - to terminal equipment (Tx-) Receive - from terminal equipment (Rx-) not used not used Annex B Transmission function not used not used a b not used not used 3.1 12345678 3.2 123456 Pin assignment at data interface V.24 (RS232) The data interface V.24 (RS232) on the NT1+2a/b+V.24 is conducted out of the device via a 9-pole female SUB D connector Shield is necessary if cable length exceeds m Attention: Max cable length < 15 m, for transmission rates higher than 19.200 bps < m Pin 30 ITU-T 109 103 104 108 102 107 105 106 125 EIA DCD TD RD DTR GND DSR RTS CTS RI I/O O O I I O I O O Signal Detect data carrier Transmit data Receive data Data terminal ready Signal ground Data set ready Request to send Clear to send Ring indicator Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB State upon delivery When putting the device into operation for the first time, the following parameters have been preset: • Short passive bus terminated by 100 Ω • MSN 1, and are empty • The supplementary services are preset 3.3 Annex C Operation of the NT1+2a/b+V.24 Initial commissioning After connection of the mains voltage, the U interface and the terminals the NT1+2a/b+V.24 with default configuration is ready for operation (Plug & Phone-installation) Due to the state upon delivery you can already make use of your terminals (Power supply via U interface is required in order to enable the device) Pin assignment of the RJ 11 jacks at the analog interfaces Pin NT1+2a/b+V.24 Configuration of the analog ports via DTMF The NT1+2a/b+V.24 supports the two analog subscriber interfaces a/b1 and a/b2 Both subscriber interfaces are of identical functionality and can be used independently of each other In emergency mode (failure of 230 V mains power supply) only one user interface (a/b1, a/b2 or S/T) can be used, the other two interfaces are disabled then This is necessary, since in emergency mode the NT1+2a/b+V.24 is powered via the exchange office and due to the fact that the public telephone network can provide only restricted electric power Using an analogue telephone capable of DTMF dialling you can modify the configuration of the relevant analog interface as described below Please note that the usage of some services require that your telephone is equipped with a so-called R-Flash-key (60 ms 500 ms) Note: Any settings you implement at an a/b port will take effect only at that very port! Entering the access code It is recommended to use a phone with display in order to enable to follow the entered character sequence After the handset has been picked up and as long as the call connected signal sounds, the access code for programming can be entered The sequence to enter the configuration mode is: #97 After pressing the ”#” your connection to the exchange is disconnected and the tone disappears This tone will appear: • after each complete configuration of a parameter • after a user break with ”*” • after you made a wrong or not permitted input a sequence of short tones will generate Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 11 NT1+2a/b+V.24 When you hear this tone, you will always be in the ”Root” of configuration Now you can set another point with the same call A new input of # 97 is not necessary in this case Putting the handset On-hook quits the programming mode All settings described in the following can now be made Call number (MSN) Up to three call numbers (MSN) can be assigned to each access Each call number may consist of max 18 digits If an incoming call contains a number set both at an S/T and an a/b access, all telephones having this call number will ring The person removing the handset first will receive the call If both a/b terminals have the same call numbers, both a/b terminals will ring For outgoing calls, the first call number is entered Default: If no number has been programmed, all incoming calls will be accepted by a/b Port and a/b Port Input 0# [1,2,3]# Example #97 0# 1# [0 9] # 735141# Comment Call number mode Selection of one of the call numbers of the access Call number to be set Program example: #97 0#1#735141# Every MSN can be deleted with the following sequence: #97 0# [1, 2, 3]# # NT1+2a/b+V.24 V.24 data interface functional electric Baud rate Data format Data flow control Transfer mode Physical connection V.24 V.28 1200 - 230400 bps in asynchronous mode data bits, no parity, stop bit data bits, even/odd parity, stop bit RTS/CTS or XON/XOFF full-duplex mode, half-duplex mode 9- pole SUB-D connector as female junction element Mains power pack Nominal voltage Voltage range Power consumption Standby mode 230 V A.C., 50 Hz 196 V 253 V; 48 Hz 52 Hz max 20 VA locally supplied approx W Casing and ambient temperatures Casing dimensions Colour of casing Weight of the device Transport / storage Operating 250 mm × 175 mm × 42 mm white 900 g -25°C +55°C 0°C +55°C Type of Terminal Equipment (TE) This setting determines the behaviour of the call numbers at one a/b access for the types of incoming calls Further it determines the setting for call number to mark the type of outgoing calls You can set the modes "Telephony" or "Fax" (analog) or ”Modem” The setting Telephony rejects calls of type Fax and the setting Fax the calls of type Telephony Default: Telephony Input 1# [0,1,2]# 12 Example #97 1# 0# Comment TE-Type mode Mode Telephony Fax (analog) modem Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 29 NT1+2a/b+V.24 5.2 Short passive bus or point to point / extended passive bus selection Technical data You can set the S bus configuration with the following procedure U interface Transmission method Channel structure Line code Baud rate Net data rate Transmission range Max power consumption 2-wire transmission using echo compensation method 2B+D, synchronization and service data 2B1Q 80 kBd 144 kbps (2 x 64 kbps + 16 kbps) 4.6 km with 0.4 mm twin-wire copper cable km with 0.6 mm twin-wire copper cable approx 1.7 W Power supply concept Wattage Default: Short passive bus Input 2# [0,1]# Example #97 2# 1# Comment S bus configurator short passive bus extended passive bus / point to point Emergency Terminal S/T interface Transmission method Channel structure Line code Total bit rate Useful bit rate Bus configuration NT1+2a/b+V.24 4-wire duplex transmission 2B+D, synchronization and monitoring AMI (modified) 192 kbps 144 kbps - Short passive bus, Range approx 220 m - Point-to-point, Range approx 1100 m or extended passive bus according to ITU-I.430 ≤ 4.5 W in standard operation mode ≤ 410 mW in emergency mode In case of local power failure, the NT1+2a/b+V.24 is powered from the exchange In this case only the access which has been defined as the Emergency Terminal will be available Default: a/b Port Input 3# [0,1,2,3]# Example #97 3# 1# Comment Emergency mode Restricted powering S/T a/b Port a/b Port a/b Port or a/b Port (dynamic) a/b interfaces (country-specific / here: for use in Poland) Supply Supply current Line resistance a/b voltage in idle state Global Call > 20 mA > 600 Ω > 40 V Ringing signal parameters Ringing voltage sine-shaped, > 40 Vrms on kΩ + 10 µF Ringing frequency 25 Hz ± 1.25 Hz Metering pulse parameters Level > 400 mV Frequency 16 kHz ± 200 Hz The global call must be supported from the exchange It allows you to call one phone number and every terminal with the same HLC will be ringing This is a service for a/b Ports Default: ON Input 5# [0,1]# Example #97 5# 0# Comment Mode Global Call OFF Global Call not allowed ON Global Call allowed Low-frequency characteristics Input impedance 600 Ω Output level - dBr Input level dBr 28 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 13 NT1+2a/b+V.24 NT1+2a/b+V.24 Protocol → → → → → → This point is to switch between Functional and Keypad Protocol for the supplementary services CFU, CFB, CFNR As Keypad Protocol varies in different switches, Functional Protocol (FUNCT)should be used Default: Functional Protocol Input 7# [0,1]# Example #97 7# 1# Comment Protocol Functional Protocol Keypad Protocol • • Distinctive ringing Your NT1+2a/b+V.24 can store up to three telephone numbers for each a/b connector It is possible to arrange a different ringing sequence for each of the three numbers So it is possible, for example, to configure a public number at MSN and a private number at MSN of a/b1 (Both numbers must be subscribed at your provider of course) It is now up to you to ignore public and accept private calls You can distinguish between them by means of the ringing signal Default: normal ringing cadence signal (1250 ms signal, 3750 ms pause) Input 9# [0,1]# Special ringing sequence for MSN for MSN for MSN Example #97 9# 1# Comment Distinctive ringing normal ringing cadence distinctive ringing ON signal pause signal pause 500 ms ± % 700 ms ± % 300 ms ± % 200 ms ± % 200 ms ± % 200 ms ± % 500 ms ± % 300 ms ± % 700 ms ± % 3600 ms ± 20% 3600 ms ± 20% 3600 ms ± 20% Call Waiting Enable This setting allows, resp restricts the Call Waiting function Please note that the settings take effect only for the port from which they have been implemented For switching between two calls please use the keying sequence R2 14 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB • • • • • • • • • • • Call Hold / Call Back / Broker’s Call Call Waiting and Call Waiting Protection (CW) Call Forwarding Unconditional (CFU) Call Forwarding Busy (CFB) Call Forwarding No Reply (CFNR) Hotline function (automatical dialling of a programmed number upon removing the receiver) → Malicious Call Identification (MCID) → Terminal Portability (TP) At the ISDN-S/T-interface you can make use of the entire ISDN user facilities that are supported by the ISDN The data interface V.24 offers the following facilities: → Digital data transfer at 64 kbps → Digital data transfer at 128 kbps and channel trunking of B-channels → Data transfer rate at the serial interface up to 230 kBd → Application of data transfer protocols PPP, MLPPP, V.120 → „Call Bumping“-function for clearing a speech channel in case of data transmission using channel trunking if you wish to call to another subscriber (optional) → Bit rate adaptation according to V.120 → Autobauding at the serial interface → Support of data transfer applications such as Internet, E-Mail, Net Meeting, Data transfer and Mailbox Via the analog interfaces the NT1+2a/b+V.24 can be configured by means of tone dialling (DTMF) Direct PC connection via serial COM interface „Plug & Play“ installation of the NT1+2a/b+V.24 (RS232) at the PC Using the specific configuration software (optional) the NT1+2a/b+V.24 can be configured via data interface V.24 (RS232) of a normal computer Local firmware updating of the device is possible via data interface V.24 Both firmware and configuration of the NT1+2a/b+V.24 can be modified as well by the network operator using access via ISDN Remote check and diagnosis with help of ELCON software (optional) Electric safety according to EN 60950 Proenvironmental due to energy-saving switched-mode power supply NT1+2a/b+V.24 meets all relevant ETSI specifications NT1+2a/b+V.24 meets the requiremenets of the CE symbol Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 27 NT1+2a/b+V.24 4.6 Configuration for AOL/CompuServe You need a contract with AOL/CompuServe to access the AOL/CompuServe network via ISDN To configure the NT1+2a/b+V.24 you need the following information from AOL/CompuServe: • ISDN access number • Layer two protocol, usually the protocol-type X.75 by selecting Modem NT1+2a/b+V.24 X.75 Some accesses still use B channel protocol V.120 (select Modem NT1+2a/b+V.24 V.120) You can use a CompuServe access by running the CIM software package For AOL use the AOL software 5.1 • • • • • • • • • • • • • • 26 NT1+2a/b+V.24 Default: Call waiting enable Input *43# #43# Hotline call In case a hotline number has been programmed for a particular a/b port, then after a delay time (default: five seconds) after removing the hearer (hook-off) the preprogrammed number will be automatically transferred as dialling information, unless the user by then has initiated a dialling procedure by himself For each port you can program one hotline call *53*# Technical data Technical description #53# Digital U interface for hard-wired link to the Integrated Services Digital Network with Euro-ISDN-protocol DSS and line code 2B1Q Digital S/T interface for connecting the ISDN terminals via hard-wired connections (S bus) or with help of two RJ45 connectors Two analog interfaces a/b and a/b for the connection of analog terminals via hardwired lines or one RJ11 connector per each device Data interface V.24 (RS232) for the connection of personal computers via 9-pole SUB D female contact Supply cord for connection of power supply voltage 230 VAC light-emitting diodes (LED) for indication of operating states MSN can be programmed per each analog interface Max simultaneous bell loads per each analog port In case of local power failure (230 VAC) emergency power supply for one preset ISDN or analog telephone is selectable Configuration of ISDN S bus via DTMF or AT commands as short passive bus or as point-to-point connection, resp extended passive bus Service compatibility of both analog interfaces adjustable for telephony or facsimile mode Application of analog terminals capable of pulse dialling or dual-tone multi-frequency dialling (DTMF) Spontaneous exchange access at the interfaces Below supplementary services are partly available at the analog interfaces (some of them are optional): → Calling Line Identification Presentation (CLIP) → Calling Line Identification Restriction (CLIR) → Connected Line Identification Presentation (COLP) → Connected Line Identification Restriction (COLR) Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Comment Activation of Call waiting Deactivation of Call waiting Program hotline number and enable Hotline call to the programmed number Disabling hotline call If you want to change the delay time, then enter the following key sequence: *54*# Change the delay time of hotline call; : delay in seconds Default setting: sec Remarks: In case a busy tone apperas after Hotline activation, no hotline number has been programmed The delay time for Hotline calls must be between and 30 sec, for other programmings a busy tone will be sent by the NT Clearback Time Delay This setting determines whether a signal is delayed for a period of minutes after the user has gone on-hook with an incoming call The user can change the terminal in this period (Terminal Portability) without disconnecting the call Default: OFF Input *74# #74# Comment Activation of Clearback delay Deactivation of Clearback delay Metering Pulses The subscriber can activate and deactivate the metering pulses on the analog interfaces Input *89# #89# Comment Activation of Advice Of Charge enabled Deactivation of Advice Of Charge enabled Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 15 NT1+2a/b+V.24 NT1+2a/b+V.24 CLIP • You can set the Calling Line Identification Protocol to identify the caller´s phone number Input *85# #85# Comment CLIP on CLIP off • MSN These parameters select the telephone number of the data port that will be used for incoming and outgoing calls The complete telephone number without area code, will be supplied by the ISDN provider Call bumping and CHAP password These parameter configure the behaviour when multilink PPP is used CLIR and COLR Using the NT1+2a/b+V.24 with Application Software The setting for Calling Line Identification Restriction determines the default handling for the identification of outgoing calls This setting applies as well to Connected Line Identification Restriction Like with an ISDN telephone, the first telephone number of your access is transmitted to the exchange and displayed on the called station when you start connecting CLIR and COLR can be changed as follows: To use the NT1+2a/b+V.24 with different application software and access points you have to look for the following items: • Usually you need a contract with the service provider They can help you to get an appropriate application program that runs on a PC • The service provider will also supply you with the ISDN access number to call (has to be entered in the application program) • The NT1+2a/b+V.24 parameters must fit the characteristics of the access point which are recommended in the next chapters Default: OFF Input *31# #31# *31* Comment Permanent activation of CLIR mode (CLIR on) Deactivation of CLIR mode (CLIR off) CLIR per call; CLIR only active for the current call Input *77# #77# Comment Permanent activation of COLR mode (COLR on) Deactivation of COLR mode (COLR off) Closed User Group (CUG) Input *01*# Comment CUG on To access the Internet via ISDN you have to have a contract with an Internet service provider (ISP) who runs an ISDN access To configure the NT1+2a/b+V.24 you need the following information from the ISP: • ISDN access number (to be entered at the PC program) • Layer two protocol, usually the protocol-type PPP by selecting Modem NT1+2a/b+V.24 HDLC-PPP • Access protocol (to be entered at the PC system software or Internet software) Configuration under Windows 95 Reset system, parameters will not change Call Forwarding Unconditional (CFU) The keypad commands below can be used to instruct the exchange to divert the call to a different calling number if certain busy states apply Under certain circumstances, the use of these services depends on whether they have been agreed with your service provider 16 Configuration for Internet To configure the Internet access software on the PC it may be necessary that you need some additional information like TCP/IP address, user name, password etc Please refer to the software manual Hardware reset *199* 4.5 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB The configuration of the NT1+2a/b+V.24 can be dependent of the type of access the internet provider is supporting The following types of access are most frequently used for public ISDN access • HDLC async to sync conversion This protocol has to be set up, if the service provider uses an access point where the protocol PPP is running Please ask your Internet provider for further information if need should be Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 25 NT1+2a/b+V.24 Installation (Windows NT 4.0) Execute the program SETUP.EXE from the installation disk This program leads you through the installation At the end of the installation you will get information about the installed software and modem types The configuration of the NT1+2a/b+V.24 will be described in the following section You can skip the configuration of the NT1+2a/b+V.24 now if information is missing The configuration can be done later by using the NT1+2a/b+V.24 configurator Restart Windows to activate new settings Now you have to add new Modems manually Please go to START → SETTINGS → CONTROL PANEL → MODEMS Select ADD and activate the button "Don´t detect my modem, I will select it from a list" Please choose via the DISKETTE button the path to the NT1+2a/b+V.24 installation disk and open the file "mdmstdaa.inf" You can select the following NT1+2a/b+V.24 modems: NT1+2a/b+V.24 HDLC NT1+2a/b+V.24 ML-PPP NT1+2a/b+V.24 V.120 NT1+2a/b+V.24 X.75 Please note that every modem has to be installed separately Select the used COM port and finish the installation procedure 4.4 Configuration Using the NT1+2a/b+V.24 Configurator the configuration parameter of the NT1+2a/b+V.24 will be set up If you not know the correct parameter, please contact the provider of your ISDN U Interface (telephone company) Please make sure that the NT1+2a/b+V.24 is connected to the serial interface and power is on After providing the settings for the following parameter you can leave the configurator The NT1+2a/b+V.24 is now ready to be used with Modem applications (i.e Microsoft Dial-Up Networking) or CAPI-compatible application programs • D-channel protocol The ISDN D channel protocol is the most important characteristic of your ISDN U-Interface Different countries will support you with different D channel protocols Euro-ISDN (DSS1) will be used nearly all over Europe 24 Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB NT1+2a/b+V.24 Input Å↑ *21*# Å↓ Comment Unconditionally forwards all incoming calls to call number Å↑ *21**[1,2,3]# Å↓ Unconditionally forwards the incoming calls with the appropriate setting MSN 1, or to call number FUNCT Å↑ #21# Å↓ Cancels Unconditional Forwarding for all MSN Å↑ #21*[1,2,3]# Å↓ Cancels Unconditional Forwarding of incoming calls with the appropriate setting MSN 1, or to call number FUNCT Call Forwarding Busy (CFB) Note: If call waiting service is activated, the CFB can be only used with restrictions A second call is signalled in your hearer by the Call Waiting tone Input Å↑ *67*# Å↓ Comment Conditionally forwards all incoming calls to call number if the called number is busy Å↑ *67**[1,2,3]# Å↓ Conditionally forwards the incoming calls with the appropriate setting MSN 1, or to call number if the called number is busy FUNCT Å↑ #67# Å↓ Cancels Call Forwarding Busy for all MSN Å↑ #67*[1,2,3]# Å↓ Cancels Conditional Forwarding of the incoming calls with the appropriate setting MSN 1, or to call number if the called number is busy FUNCT Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 17 NT1+2a/b+V.24 Call Forwarding No Reply (CFNR) NT1+2a/b+V.24 At the end of the installation you will get information about the installed software and modem types Input Å↑ *61*# Å↓ Comment Forwards all incoming calls to call number if the called number does not answer after a time preset by the network provider Å↑ *61**[1,2,3]# Å↓ Å↑ #61# Å↓ Forwards all incoming calls with the appropriate setting MSN 1, or to call number if the called number does not answer after a time preset by the network provider FUNCT The configuration of the NT1+2a/b+V.24 will be described in the following section You can skip the configuration of the NT1+2a/b+V.24 now if information is missing The configuration can be done later by using the NT1+2a/b+V.24 configurator The installation program creates in addition a program folder with two program icons: • The NT1+2a/b+V.24 Configurator is the configuration program for the NT1+2a/b+V.24 • Using the program UnInstallShield you can deinstall the actual software and delete the NT1+2a/b+V.24 modems from the modem list Cancels Call Forwarding No Reply for all MSN Deinstallation Å↑ #61*[1,2,3]# Å↓ Cancels Forwarding of incoming calls with the appropriate setting MSN 1, or to call number if the called number does not answer after a time preset by the network provider FUNCT If you want to delete the software of the NT1+2a/b+V.24 from your hard disk, please start the program UnInstallShield from the program folder NT1+2a/b+V.24 The program deletes all installed software modules and recovers the original status of the directory (incl .INI system files) 4.3 3.4 Windows NT 4.0 Software Installation Using ISDN services with analog telephones Call-dependent services This chapter describes the installation, configuration and usage of the NT1+2a/b+V.24 for the operating system Windows NT 4.0 The following components will be installed: • Modem driver into the modem list • CAPI 2.0 driver • Configuration program HOLD Preparation (Windows NT 4.0) If you are connected with a call partner and you wish to make a short enquiry to another partner, press Please check the following requirements before installing the software for Windows NT 4.0: • PC-System with connected NT1+2a/b+V.24 • Access to a 3,5“ Floppy disk drive and hard disk • Installed Microsoft Windows NT operation system • Windows NT CD-ROM (Installation disks) • Minimum MB Memory • Installation driver disk NT1+2a/b+V.24 To use certain services, your telephone must have an R-flash key (90 ms± 30 ms) In the following explanations the keys to be pressed immediately in succession are separated by a gap R2 If a line of your access is still free, the dial tone sounds and you can dial the number of the second partner RETRIEVE R1 18 Clears the current call and lets you return to the original call If your original partner has meanwhile replaced the handset, the busy signal sounds Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 23 NT1+2a/b+V.24 4.1 Using the NT1+2a/b+V.24 as ISDN modem Installation procedure • • • • • 4.2 Connect the serial port (V.24) of the NT1+2a/b+V.24 to the serial port (COM port) of the PC by using the supported V.24 interface serial cable Please make sure that the COM port of the PC is not used for other purposes or by other communication programs Connect the U port of the NT1+2a/b+V.24 to the U interface of the ISDN network provider Connect the power supply with the NT1+2a/b+V.24 and plug it into mains Now the power-up sequence should appear The NT1+2a/b+V.24 is now ready for use, please refer to the next chapter for the configuration to use the PC together with the NT1+2a/b+V.24 Windows 95/98 Software Installation This chapter describes the installation, configuration and usage of the NT1+2a/b+V.24 for the operating system Windows 95/98 The following components will be installed: • Modem driver into the modem list • CAPI 2.0 driver • Configuration program Preparation (Windows 95/98) Please check the following requirements before installing the software for Windows 95/98: • PC-System with connected NT1+2a/b+V.24 • Access to a 3,5“ Floppy disk drive and hard disk • Installed Microsoft Windows 95 operation system • Windows 95/98 CD-ROM (Installation disks) • Minimum MB Memory • Installation driver disk for NT1+2a/b+V.24 Alternating between two call partners (brokering) If you want to change between two partners during an enquiry without clearing either of the calls, select R2 When the NT1+2a/b+V.24 is connected and power up while booting your PC with Windows 95, the Plug-and-Play feature of the NT1+2a/b+V.24 will get active and so Windows 95 will request an installation disk If you want to install the NT1+2a/b+V.24 driver manually, execute the program SETUP.EXE from the installation disk This program leads you through the installation Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB to alternate between two connected partners If your original partner has meanwhile replaced the handset, the call connected signal sounds, and you can either redial or select R-Flash to switch back to the previous partner If the partner with whom you are currently connected replaces the handset, a sequence of short tones sounds to signal the second call; in this case select R1 to change to your previous partner if your current partner replaces the handset CALL WAITING If another subscriber calls you during a call, this is signalled by a call waiting tone You can select either R0 R1 R2 R3 R4 to reject the waiting call, or to clear the current call and change to the waiting call, or to place the current call on hold position and change to the waiting call suppress the call waiting tone Pressing of R3 suppresses the call waiting tone only The calling subscriber will furthermore receive the call tone and you have still the opportunity to switch the incoming call Explicite call transfer: to connect the two other parties Three Party Conference (3PTY) If you want to talk with two external subscribers at the same time, you can establish a three party conference If one call is in hold and one call is active, you can press R3 Installation (Windows 95/98) 22 NT1+2a/b+V.24 to invoke a Three Party Conference If you talk with two subscribers at the same time, you can press R2 to end a Three Party Conference After execution of the last command you are connected to the same partner as before the conference activation The other one is in hold again If one partner hooks on while conference is active, a normal connection to the remaining subscriber is established If you want to end both connections, you simply have to hook on Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 19 NT1+2a/b+V.24 NT1+2a/b+V.24 3.5 LED display at the device SUSPEND If you want to move to another telephone during the call, enter R*79# Å↓ to suspend the current call Upon keying R*79# the telephone on the other a/b port is ringing After removing the handset the call is immediately directed to that phone (RESUME) If you have another call in waiting position, a sequence of tones will remind you of this Selecting R-Flash lets you change to this connection, replacing the handset clears the call RESUME If you have parked a call you can Å↑ *79# Designation of the LED not used not used U interface okay Supply voltage 230 V AC okay B channel (B1) occupied *) B channel (B2) occupied *) Designation at the device Colour U ~ B1 B2 green yellow red red to resume the suspended call from any telephone 3.6 Malicious Call Identification (MCID) If your telecommunication network supports the MCID service attribute, select during an active connection to send an MCID signal to the exchange, press R-Flash This service supports only incoming calls 20 LED LED LED LED LED LED *) The LEDs of B1 and B2 are only shining if the B channel is occupied by V.24 or a/b port The SUSPEND and RESUME function is also possible between analog and ISDN accesses whereby the description of the ISDN telephone applies to this function You must only be sure to use a one-digit parking code R9 In standard version the NT1+2a/b+V.24 is equipped with four light-emitting diodes (LED) The information is displayed on the casing front panel and is to indicate the following operating states of the device: Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB Operation of the NT1+2a/b+V.24 in case of local power-supply breakdown (emergency mode) The NT1+2a/b+V.24 supports two analogue susbcriber ports a/b1 and a/b2 and a digital S/T interface Both subscriber interfaces have identical functionality and can be used independently of each other In emergency mode (Failure of local power supply [230 VAC]) only one interface of the NT1+2a/b+V.24 maintains functionality with only one terminal connected to it This is necessary, since in emergency mode the NT1+2a/b+V.24 is fed from the exchange and the telephone network is able to provide only a limited wattage The functioning interfaces in emergency mode of the NT1+2a/b+V.24 can be either an analog interface a/b1 or a/b2 or the digital S/T interface With the configuration of the NT1+2a/b+V.24 it is possible to determine which of the interfaces shall maintain its functionality in emergency mode The configuration of this priority-given interface shall be executed as described in chapter 3.3 resp annex D It is expressly underlined, that in case of emergency operation of the NT1+2a/b+V.24 only one terminal shall be used on that respective interface Version: 3.02: Poland 2000/09/21; SW: HuV1; HW: ChLayB 21