Local Oscillator Outputs; Installing And Removing Modules; Properly Handling The Modules; Slot Location And Keyed Modules - Symmetricom TSG-3800 Series User Manual

Local Oscillator Outputs

Local Oscillator outputs on the rear panel of each shelf provide the unadjusted
10 MHz output from the Clock module oscillators for use with external global
positioning satellite (GPS) receivers. These outputs are not frequency adjusted;
rather they provide stable clock signals for the GPS receiver.
pinouts for each TSG-3800 model.
Table 2-7. Local Oscillator Output Connector Pins
Model
3800/3800E 19-inch Shelf
3800 23-inch Shelf

Installing and Removing Modules

This section describes how to properly handle, install, and remove modules from
any TSG-3800 series shelf.

Properly Handling the Modules

The following should be considered when handling modules.
Use removal tool (item number 00478507-000-1) if available.
Use proper static control precautions when handling modules.
Protect the equipment against ESD by using a grounded protective wrist strap
and normal equipment grounding.
Two frame grounding lugs, one on each front mounting bracket of the TSG-3800,
provide the ground connection for the protective wrist straps.
Avoid touching component leads and the module's edge-connector.
Avoid laying the module on an ungrounded surface.
Avoid touching the module to an insulated surface.

Slot Location and Keyed Modules

Locate the slot or slots allocated for the type of module being inserted. Modules are
keyed to prevent inserting into the wrong locations.
TSG-3800 main shelf and slot locations.
12778474-002-2 Revision F – March 2004
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Connection
J11 and J12
J13 and J15
Installing the TSG-3800
Installing and Removing Modules
Table 2-7 shows the
Figure 2-12 illustrates the
TSG-3800 User's Guide 61