Symmetricom 1100 Replacing the Input Module, Where p is 1 to enable INP1 or 2 to enable INP2

Chapter 6 Maintaining and Troubleshooting the TimeProvider

Replacing the Input Module

Replacing the Input Module

The Input module contains connectors for the input signals and the alarm output connector.

To remove the Input module:

1. Disable the inputs by issuing the following commands, as appropriate:

ED-EQPT::PRS:::INSTATE=DISABLE;

ED-EQPT::INPp:::INSTATE=DISABLE;

where p is 1 to disable INP1 or 2 to disable INP2

2.Wait for the TimeProvider to enter the Holdover state before proceeding.

3.Attach a wrist grounding strap and connect it to the TimeProvider chassis.

4.Remove the input connections.

5.Remove the alarm connections.

6.Remove the Input module by loosening the captive screws and pulling the module off the shelf.

Warning: To avoid possible electrostatic damage to the Input module, place it in a static-free bag or on a static-free surface.

To install the Input module:

1.Install the Input module on the connector on the shelf and tighten the captive screws.

2.Install the input signal connections.

3.Install the alarm connections. After you install the connections, you can remove the protective ground strap from your wrist.

4.Enable the inputs by issuing the following commands as appropriate:

ED-EQPT::PRS:::INSTATE=ENABLE;

ED-EQPT::INPp:::INSTATE=ENABLE;

where p is 1 to enable INP1 or 2 to enable INP2

166 TimeProvider User’s Guide 097-58001-02 Revision G – April 2008