Installing The 56 Kbit Clock Output Module; Operational Check; Primary And Secondary Distribution Slots - Symmetricom TSG-3800 Series User Manual

Output Modules
56 kBit Clock Output Module

Installing the 56 kBit Clock Output Module

The 56 kBit 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 7-41. 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
Making Signal Connections
The output signals are available at the 50-pin connectors located on the rear panel
of the shelf. Outputs 1 through 8 are used by this module. Refer to
Signal Connections, on page 56, for more information. The (+) signals are on pins
1–8 and the (–) signals are on pins 26–33. Pins 9–20 and 34–45 have no
connection, and pins 21–25 and 46–50 are shield grounds. Outputs should be
terminated with a 100 Ω resistor between (+) and (–) contacts. For example, a
typical mating connector is Cinch #57-10500-8750.

Operational Check

With power applied to the shelf, install the 56 kBit Clock Output module in the
appropriate slot and verify that the POWER indicator is lit. This indicates that the
module is receiving power and the module power supply is working.
Verify that the module is receiving the input signals by observing the A and B INPUT
FAULT indicators. For Locked operation and with two references applied, both
indicators should be off.
262 TSG-3800 User's Guide
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Table 7-41 lists the primary and secondary distribution slots in the
Primary Distribution Slots 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
Making Output
12778474-002-2 Revision F – March 2004