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Vanguard 7300 Enclosures and Components 2-35
Vanguard 7300 Cards
Serial Rear Transition Module
Transition Module
Port Connector and
Configuration
Each port has a dedicated connector and is independently configured and cabled. For
each port, physical interface protocol selection is controlled by software and can be
set to EIA 232, V.35, V.36, X.21, EIA 530, or EIA530A. The port’s interface cable
determines DTE/DCE.
All serial cable connections to this chassis slot are made at Transition Module ports.
For node configuration, port numbering is unique to the Vanguard 7300 and is
described in “Vanguard 7300 Port Configuration” section on page 4-7.
Baud-Rate
Generator
A programmable clock generator for each channel can generate all of the clock
speeds listed in the following table:
Note
The Serial Card does not support split-clocking mode.
Clock Speed (in Kbps)
1.2 24 128 896 1664
2.4 26.4 192 960 1728
4.8 28.8 256 1024 1792
7.2 32 320 1088 1856
8 38.4 384 1152 1920
9.6 40 448 1216 1984
12 48 512 1280 2048
14.4 56 576 1344 4096
16 64 640 1408 6144
16.8 72 704 1472 7680
19.2 80 768 1536 8192
21.6 96 832 1600