Configuring The Rs-422 Clock Output Module; Installing The Rs-422 Clock Output Module; Primary And Secondary Distribution Slots - Symmetricom TSG-3800 Series User Manual

Output Modules
RS-422 Clock Output Module

Configuring the RS-422 Clock Output Module

This section describes how to configure the RS-422 Clock Output module to meet
the requirements of your particular installation.
Caution: To prevent ESD damage to the module, always observe the
precautions described in
Selecting the Input Signals
The input signals can be selected by installing jumpers on TB1, TB2, TB3, TB4,
TB5, TB6, and TB7.
The options are as follows:
If the Frame Generator installed is 23476568-xxx-0 or 23478305-xxx-0, then set
TB1 through TB7 to Position C. Frequency selection (1544 or 2048 kHz) is made
on the Frame Generator module. Refer to the appropriate Frame Generator.
If the Frame Generator installed is 23477799-xxx-0, then the frequency can be
selected either on this module or on the Frame Generator module. Set TB2, TB4,
TB5, TB6, TB7 to position C.
Use TB1 and TB3 to select the signal supplied by the Frame Generator as
follows:
– Position C selects either 1544 kHz or 2048 kHz, whichever is configured
at the Frame Generator
– Position A selects 1544 kHz

Installing the RS-422 Clock Output Module

The RS-422 Clock Output module is designed to operate in pairs. Insert one module
in a primary distribution slot; insert the other in the corresponding secondary
distribution slot.
TSG-3800 series.
Table 7-29. Primary and Secondary Distribution Slots
Model
3800/3800E 18, 20
19-inch Shelves
3800 23-inch 18, 20, 22
Shelf
244 TSG-3800 User's Guide
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Properly Handling the
Table 7-29 lists the primary and secondary distribution slots in the
Primary Distribution Slots
Modules, on page 61.
Secondary Distribution Slots
19,21
19, 21, 23
12778474-002-2 Revision F – March 2004