Tài liệu Circuit-Switched Telephony Solutions pptx

www.adc.com • +1-952-938-8080 • 1-800-366-3891 343 Circuit-Switched Telephony Solutions Homeworx ™ Host Digital Terminal (GR-303) 344 Homeworx ™ Digital Network Interface Unit 348 Homeworx ™ Clocking and Timing Slot Interchange Unit 350 Homeworx ™ Coax Master Unit 352 Homeworx ™ Shelf Control Unit 354 Homeworx ™ Protection Switch and Test Unit 356 Homeworx ™ Power Supply Unit 358 Home Integrated Services Unit 360 Multidwelling Integrated Services Unit 365 www.adc.com • +1-952-938-8080 • 1-800-366-3891 344 6/04 • 1247379 MSO Market Solutions Homeworx ™ HDT (GR-303) The Host Digital Terminal (HDT) comprises all of the “common equipment” functions of the voice and data portion of the ADC Homeworx product line. Normally located in the center office/headend with direct connection to a local digital switch (LDS) or digital network element (DNE). Features • Provides point-to-multi-point transport system • Up to 3072 call reference values (CRVs) per HDT • Multihosting capacity, up to 4 hosts • Accommodates 2-28/DS1/Inputs at the network interface • GR-303 switch interface • 1024 x 1024 full access, non-blocking DS0 cross-connect capability • Supports a maximum of 672 DS0 transport capacity over a HFC network • All active electronic circuits are packaged on field-replaceable plug-in modules, supports a total of 21 modules • A stratum 4 equipment node, but shall operate at a lower stratum level (higher frequency accuracy) when synchronized to a reference input • 1536 total ISU hardware addresses (512 per CXMU) www.adc.com • +1-952-938-8080 • 1-800-366-3891 345 6/04 • 1247379 MSO Market Solutions Homeworx ™ HDT (GR-303) HFC System Components The primary components which make up the Homeworx HFC transport system are as follows: • Host Digital Terminal (HDT): Provides telephony interface between Switching Network and HFC Transport Network • Integrated Services Unit (ISU): Provides modem interface to coaxial distribution network and service interface to customers. • Network Element Management: Provides primary interface between Homeworx System components and customer Operations Systems (OSs) HDT Module Types Application HDT Module Type Quantity In Chassis Digital Network Interface Unit (DNIU) 8 – 7 quad-DS1 modules + 1 protection module Protection Switch & Test Conversion Unit (PSTU) 1 – no protection since not service-affecting Clock & Timeslot Interchange Unit (CTSU) 2 – 1 active, 1 standby/protection module Coax Master Unit (CXMU) 6 – 3 active, 3 standby/protection modules Shelf Control Unit (SCNU) 2 – 1 active, 1 standby/protection module; Power Supply Unit (PWRU) 2 – 2 load-sharing modules AC & RF RF CATV DROP TELEPHONY DROP TAP LINE EXT. LEG 2 LEG 3 LEG 4 LEG 1 COMBINED RF & TELEPHONY ON COAX AC & RF OPTICAL NODE SUBDIVISION C H. U N I T C H. U N I T C H. U N I T C H. U N I T MISU-16 Optical XMT/RCV HDT CENTRAL OFFICE/HEADEND TEL/ VID RX TEL/ VID TX L H R X R X R X R X T X T X T X T X P S / C M P S / C M C T S U P R O T C T S U M A I N P T S U D N I U P R O T D N I U D N I U D N I U D N I U D N I U D N I U D N I U C X M U P R O T C X M U M A I N C X M U P R O T C X M U M A I N C X M U P R O T C X M U M A I N S C N U P R O T PWRU LDS COT DCS 50-750 MHz VIDEO SOURCE AND 5-49 MHz VIDEO CONTROL INFORMATION RECEIVERS COMBINED DOWNSTREAM VIDEO RF 620-774 MHz UPSTREAM VIDEO INFORMATION 5-45 MHz PWRU S C N U M A I N SPLITTER/COMBINER www.adc.com • +1-952-938-8080 • 1-800-366-3891 346 6/04 • 1247379 MSO Market Solutions Homeworx ™ HDT (GR-303) HDT Functions HDT Physical Characteristics System Specifications Host Digital Terminal The primary function of each HDT module is as follows: • DNIU: Provides GR-303 interface to the digital network • PSTU: Provides the switching function for DNIU • CTSU: Provides the DS0 timeout grooming capability and all system synchronization functions • CXMU: Provides the modem functionality and RF interface to the HFC transport system • SCNU: Provides all OAM&P functions in the system • PWRU: Converts -48 VDC from a central office battery into the required HDT shelf voltage Physical Characteristics Dimensions (HxWxD): 13.95" x 21.4" x 12" Weight: 127 lbs (fully loaded) Operating Temperature: 41°F to 104°F long term steady state, 23°F to 122°F short term steady state Power Consumption: 210 watts (fully loaded including protection cards) Voltage Requirement: -48 VDC ±5 The front of the HDT chassis is covered with a front panel/door which has an opening for a visual system alarm indicator. DS1 NETWORK INTERFACE Maximum Number of DS1 Interfaces: DS1 Input Frequency: DS1 Pulse Shape: Impedance: Line Build-out: Synchronization Timing: DS1 Physical Interface: DS1 Framing Formats: Modes of Operation: Maximum Amount of Hosts: Protection Switch Time: Timeslot Interchange: COAXIAL LINE INTERFACE RF SPECIFICATIONS Number of Coaxial Outputs: Number of Coaxial Inputs: Impedance: Maximum Bandwidth per CXMU: Tunable RF Modem Frequency Range Downstream: Upstream: RF Modem Frequency Step Size: Downstream: Upstream: Number of DS0s per 6 MHz: 28 (672 DS0s) 1.544 Mbps ±130 ppm per GR-499 100 OHMs 0 - 655 ft External BITS, Line, Internal Amphenol (plug) SLC-96, SF, ESF GR-303 4 Less than 50 msec on all HDT cards 1024 x 1024 64 Kbps TSI 3 Tx wrk CXMUs, 3 Tx protect CXMUs 3 Rx wrk CXMUs, 3 Rx protect CXMUs 75 OHMs 6 MHz upstream and downstream (240 DS0s) 620-744 MHz 18-42 MHz usable, 5-42 operational every 2 MHz every 1 MHz 240 www.adc.com • +1-952-938-8080 • 1-800-366-3891 347 6/04 • 1247379 MSO Market Solutions Homeworx ™ HDT (GR-303) Ordering Information Ordering Information Catalog Number HDT-SHLF35 – B12 HDT-SHLF35 – B6 HDT-SHLF35 – F12 HDT-SHLF35 – F6 Description HDT-Chassis, 12 BNC No SPL/CMB HDT-Chassis, 6 BNC w/SPL/CMB HDT-Chassis, 12 F No SPL/CMB HDT-Chassis, 6 F w/SPL/CMB For additional information and assistance in system configuration, please contact ADC. www.adc.com • +1-952-938-8080 • 1-800-366-3891 348 6/04 • 1247379 MSO Market Solutions The digital network interface unit (DNIU) provides the GR-303 interface to the digital network and DSX-1 termination. Features • Each DNIU plug-in unit provides termination for 4DS1 network lines • The DNIU can also interface to a digital network element (DNE), such as a channel bank or DS1 cross-connect system to deliver non-switched services • Six LEDs on the front of the DNIU: (Fail, Active, LPBK-A, LPBK-B, LPBK-C, LPBK-D) • 7 working and 1 protect cards per HDT (GR-303) • 2-28 DS1 Inputs at the network interface • 672 DS0s per HDT • Protection switching time less than 50 msec on all HDT cards • G.706 DS1 framing formats • GR-909, DS1 pulse shape • 3072 call reference values (CRVs) per HDT Homeworx ™ DNIU Digital Network Interface Unit www.adc.com • +1-952-938-8080 • 1-800-366-3891 349 6/04 • 1247379 MSO Market Solutions Homeworx ™ DNIU Digital Network Interface Unit Ordering Information Ordering Information Catalog Number HDT-DNIU01 Description Digital Network Interface Unit For additional information and assistance in system configuration, please contact ADC. Specifications PHYSICAL Weight: Dimensions (HxWxD): HDT Mounting Reference: POWER -48 VDC Power Consumption: INTERFACE DS1 Interface Capacity: Compatibility: Cable Length: Cable Connector Type: ENVIRONMENTAL (HDT Chassis, Fully Loaded) Heat Dissipation: Temperature Range Operating (Normal): Operating (Short Term): Storage: Humidity Range (Non-Condensing) Operating: Storage: Flammability Rating: 1 lbs (.45 kg) 9.50" x .062" x 9.50" Plug-in card to the HDT-DNIU labeled slots 5 watts per unit (maximum) 28 DS1 lines per HDT GR-303 450 ft maximum 50 pin (GR-303) 140 BTU/hour, maximum 32°F to 95°F (0°C to 35°C) 32°F to 120°F (0°C to 50°C) 40°F to 158°F (40°C to 70°C) 20% to 80% 5% to 95% UL 94 V-1 or better www.adc.com • +1-952-938-8080 • 1-800-366-3891 350 6/04 • 1247379 MSO Market Solutions Homeworx ™ CTSU Clocking and Time Slot Interchange Unit The CTSU plug-in unit provides the clocking and timeslot interchange functions for the HDT. One CTSU provides the clocking functions required for normal system operation. A second CTSU can also be installed and used as a back-up unit in case the first unit should fail. There are two LEDs on the front of the CTSU. Features • Maximum 2 cards per HDT • All clock sources in the HDT are redundant to protect the network against single-point failure • Provides physical control of all telephony operations • Terminating point for all LE GR-303/US communications channel messaging www.adc.com • +1-952-938-8080 • 1-800-366-3891 351 6/04 • 1247379 MSO Market Solutions Ordering Information Ordering Information Catalog Number HDT-CTSU02 Description CTSU Clock/Time Slot Unit (GR-303) For additional information and assistance in system configuration, please contact ADC. Specifications PHYSICAL Weight: Dimensions (HxWxD): HDT Mounting Reference: POWER -48 VDC Power Consumption: ENVIRONMENTAL (HDT Chassis, Fully Loaded) Heat Dissipation: Temperature Range Operating (Normal): Operating (Short Term): Storage: Humidity Range (Non-Condensing) Operating: Storage: Flammability Rating: 1 lbs (.45 kg) 9.50" x .062" x 9.50" Plug-in card to the HDT-CTSU labeled slots 6 watts per unit (maximum) 140 BTU/hour, maximum 32°F to 95°F (0°C to 35°C) 32°F to 120°F (0°C to 50°C) 40°F to 158°F (40°C to 70°C) 20% to 80% 5% to 95% UL 94 V-1 or better Homeworx ™ CTSU Clocking and Time Slot Interchange Unit www.adc.com • +1-952-938-8080 • 1-800-366-3891 352 6/04 • 1247379 MSO Market Solutions Homeworx ™ CXMU Coax Master Unit The CXMU provides the modem functionality and RF interface to the HFC transport system. It delivers unmatched bandwidth efficiency, trunk group sizing and RF concentration with no additional bandwidth requirements for channel hopping. Utilizing QAM and OFDM, it provides more revenue per 6 MHz channel by supporting any level of POTS type service to any subscriber take rate. Superior natural immunity to impulse noise. Features • 240 DS0s per modem (64k channels) • 3 working 3 protect cards per HDT • 1 to 1 protection (unique to ADC) • 1024 customer reference values (CRVs) per CXMU • 6 MHz channel (5 MHz working, 1 MHz guardband) adjustable in 2 MHz steps • 512 ISU hardware addresses per CXMU • 3072 phone numbers (CRVs) per HDT • Two LEDs located on the front of the CXMU (Active and Fail) • Multicarrier RF transmission scheme (32-QAM, OFDM) • Spectral efficiency = 3.26 BITS per Hz [...]... 1-800-366-3891 353 Homeworx™ SCNU 1247379 MSO Market Solutions Shelf Control Unit Provides all operation, administration, management and provisioning (OAMP) functions in the system Provides monitoring and control functions for the HDT and for other telephony network elements Processes all communications between the network element manager and the telephony network elements Features • A second SCNU can... ISU-TERM-RFTBM01 ISU-TERM-CPETBM01 For assistance with system configuration, please contact ADC 6/04 • 1247379 MSO Market Solutions Description www.adc.com • +1-952-938-8080 • 1-800-366-3891 364 Homeworx™ MSO Market Solutions MISU-16 Multi-dwelling Integrated Services Unit Carrier-class cable telephony is delivered to the customer premise by the MISU-16 Multi-dwelling Integrated Services Unit, providing access... PWRU can support the HDT if the other fails • The HDT chassis requires two battery feeds, one for each PWRU 6/04 • 1247379 MSO Market Solutions Power Supply Unit www.adc.com • +1-952-938-8080 • 1-800-366-3891 358 Homeworx™ PWRU Power Supply Unit Specifications MSO Market Solutions PHYSICAL Weight: Dimensions (HxWxD): HDT Mounting Reference: 2.34lbs (1.06 kg) 4.5" x 2.7" x 9.5" Plug in card to the HDT-PWRU... www.adc.com • +1-952-938-8080 • 1-800-366-3891 360 Homeworx™ HISU Home Integrated Services Unit Ideal for the Residential Market MSO Market Solutions The HISU is ideally suited for the residential market - single-family homes, duplexes, and townhouses needing up to four lines of telephony, plus cable TV as desired The HISU is also an excellent fit to service the needs of the business SOHO market - small office... Upgrade is cost-effective, with minimal impact on technical support • Field-upgradable hot plug-in • No service outage during the upgrade 6/04 • 1247379 MSO Market Solutions The Dual Terminal Block Module (DTBM) terminates two lines of telephony, and is designed for fast, efficient connection of telephone wiring The Protected Dual Terminal Block Module (PDTBM) provides the same function as the DTBM,... shelf • Less than 50 msec protection switching time on all HDT cards 6/04 1247379 MSO Market Solutions Protection Switch and Test Unit • Two LEDs located on front of the card (Fail, Active) www.adc.com • +1-952-938-8080 • 1-800-366-3891 356 Homeworx™ PSTU Protection Switch and Test Unit Specifications MSO Market Solutions PHYSICAL Weight: Dimensions (HxWxD): HDT Mounting Reference: 1 lbs (.45 kg) 9.50"... until the actual subscriber is ready for telephony services • Each QPMU supports up to four POTS lines • Modem is included in the QPMU module 6/04 • 1247379 Features • Modular design enables added capacity as needed www.adc.com • +1-952-938-8080 • 1-800-366-3891 366 Homeworx™ MISU-16 Multi-dwelling Integrated Services Unit Specifications 6/04 • 1247379 MSO Market Solutions CONFIGURATIONS POTS line Increments...Homeworx™ CXMU Coax Master Unit Specifications 1247379 MSO Market Solutions PHYSICAL Weight: Dimensions (HxWxD): HDT Mounting Reference: 2 lbs (1 kg) 9.50" x 1 3/8" x 9.50" Plug-in card to the HDT-CXMU labeled slots POWER -48 VDC Power Consumption: 16 watts per unit... lightning protection • Stability in adverse conditions www.adc.com • +1-952-938-8080 • 1-800-366-3891 361 Homeworx™ HISU Home Integrated Services Unit Dual Terminal Block Module Supports Two Lines of Telephony Features Benefits • Easy to use screw terminals • Quick installation • Multiple wire pairs per terminal • Flexibility for various environments • Multiple gauge wire supported • Accommodating... installation sites Dual POTS Service Module Enables Easy Upgrade to 4 Lines The Dual POTS Service Module (DPSM) enables service providers to deploy two additional lines of telephone service to existing telephony subscribers who have pre-version 3.0 HISUs This module simply plugs into the HISU, and supports a second Dual Terminal Block Module for the two additional lines And with its hot plug-in design, . www.adc.com • +1-952-938-8080 • 1-800-366-3891 343 Circuit-Switched Telephony Solutions Homeworx ™ Host Digital Terminal (GR-303) 344 Homeworx ™ Digital. load-sharing modules AC & RF RF CATV DROP TELEPHONY DROP TAP LINE EXT. LEG 2 LEG 3 LEG 4 LEG 1 COMBINED RF & TELEPHONY ON COAX AC & RF OPTICAL NODE