Operational Check - Symmetricom TSG-3800 Series User Manual

Making Signal Connections
The output signals are available at the 50-pin connectors located on the rear panel
of the shelf. Outputs one through ten are used by this module. Refer to
Output Signal

Operational Check

With power applied to the shelf, install the AMI 10-Output module in the appropriate
slot and verify that the POWER indicator is lit. This indicates that the module is
receiving power and its power supply is working.
Check the INPUT FAULT A and INPUT FAULT B indicators. With two functional
Frame Generators installed, both LEDs should be off. If one or no Frame Generator
is installed, the appropriate indicator should be lit, indicating that the signals from
that Frame Generator are missing.
If at least one functional Frame Generator is installed, the OUTPUT FAULT indicator
should go out within eight seconds after the AMI 10-Output module is installed. If it
does not, an output may be bad or has an excessive load connected to it (for
example, it may be shorted). The indicator will remain on if there is no reference
connected, because there can be no outputs.
Note: The module indicators may take a few seconds after
installation to reach proper operating status.
12778474-002-2 Revision F – March 2004
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Connections, on page 56, for more information.
Output Modules
AMI 10-Output Module
Making
TSG-3800 User's Guide 221