Practical TCP/IP and Ethernet Networking- P55 docx
Practical TCP/IP and Ethernet Networking- P55 docx
... 256 Practical TCP/IP and Ethernet Networking
When a satellite is used in a telecommunications link there is a ... is indicated for this section
18
Satellites and TCP/IP
18.1 Introduction
There is a fairly vigorous debate at present over the merits of using TCP/IP over a
satellite-based communications ... communications
• Applications of satellite systems
• Review of TCP...
Practical TCP/IP and Ethernet Networking- P46 docx
... 208 Practical TCP/IP and Ethernet Networking
13.6.4 Phone to phone
Aplio
Aplio offers a Voice over IP service by means of a small stand-alone box that inter-
connects ... includes SNMP based management and configuration. It uses store and
forward IP faxing based on the ITU and IETF standards, which allows fax-to-fax, fax to
e-mail and e-mail to fax transmissions. ... ISDN...
Practical TCP/IP and Ethernet Networking- P51 docx
... 236 Practical TCP/IP and Ethernet Networking
• Although devices like PLCs are designed to be extremely reliable, HMI and
cell controllers are typically general-purpose computer systems, and ... legacy architectures and the factory of the future
• Indicate the key elements of the modern Ethernet and TCP/IP architecture
15.1 Background
In the past, supervisory control...
Practical TCP/IP and Ethernet Networking- P62 docx
...
>
X.21
CCITT standard governing interface between DTE and DCE devices for synchronous
operation on public data networks.
X.25
CCITT standard governing interface between DTE and DCE device ... applied to a wire in conformance with
standards of specifications.
VSD
Variable Speed Drive.
VT
Virtual Terminal.
=
WAN
Wide Area Network.
Word
The standard number of bits that a p...
Practical TCP/IP and Ethernet Networking- P63 docx
...
analog communications channel 4
channel bandwidth 6
3dB bandwidth 6
maximum data transfer rate 7
mid-band frequencies 6
data channel 10
digital channel 9
practical channel 7
properties 4
PSTN ...
data stream 50
Ethernet signals 50
Manchester encoding scheme 50
single pair Ethernet 176
sites 43
SQE signal 46–7
station 43
Thick Ethernet (10 Base 5) 18
thinwire Ethernet...
Từ khóa: