Serial rear transition module – Vanguard Managed Solutions Vanguard 7300 Series User Manual

Page 67

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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

1288

96

1664

2.4

26.4

192

960

1728

4.828

.8256

1024

1792

7.2

32

320

1088

1856

8

38.4

384

1152

1920

9.6

40

4481216

198

4

12

48512

128

0

2048

14.4

56

576

1344

4096

16

64

640

14086144

16.872

704

1472

768

0

19.2

80

768

1536

8192

21.6

96

832

1600

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