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

Output Modules
RS-422 Selective Rate Clock Module
3. Verify that the port indicator is flashing indicating the selected frequency does not
agree with the frequency in memory for the selected port.
Note: If five seconds elapse before the frequency selection is set in
the step below, the port display stops flashing and the frequency
display reverts to the previously programmed frequency.
4. Push both CNT UP and CNT DWN buttons simultaneously and hold for two
seconds.The output frequency is now set into memory for the selected port.
Note: Immediately after the port display quits flashing the processor
is reprogramming the selected synthesizer and the port select is
disabled. The nominal time for this task is less than five seconds.
When the synthesizer is locked, you can program the next port.
When the Synthesizer for the selected port is locked, the output is enabled.
You can check the port frequencies at any time by incrementing the port select
display to the desired channel. The Output Frequency display shows the
programmed frequency for the selected port.

Installing the RS-422 Selective Rate Clock Module

The RS-422 Selective Rate Clock module is designed to operate in pairs. Insert one
module in a primary distribution slot and insert the other in the corresponding
secondary distribution slot. Refer to
for details on how to properly handle, install, and remove modules.
the primary and secondary distribution slots in the TSG-3800 series.
Table 7-36. Primary and Secondary Distribution Slots
Model
3800/3800E 18, 20
19-inch Shelves
3800 23-inch 18, 20, 22
Shelf
3800X/3800EX 4, 6, 8, 10, 12, 14, 16, 18, 20
19-inch Shelves
3800X 23-inch 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
Shelf
256 TSG-3800 User's Guide
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Installing and Removing
Primary Distribution Slots
Modules, on page 61
Table 7-36
Secondary Distribution Slots
19,21
19, 21, 23
5, 7, 9, 11, 13, 15, 17, 19, 21
5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25
12778474-002-2 Revision F – March 2004
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