Procedure 5-22: Clear "EC1 loopback (to DSX)" condition
Overview
This procedure is used to clear an EC1 loopback (to DSX) condition. The condition indicates that a user initiated an EC-1 facility loopback.
Important!
Proper terminating and pass through cross-connections must exist at each shelf (including stand-alone shelves) to establish continuity for the EC-1 circuit being tested.
Before you begin
Prior to performing this procedure:
-
Refer to Before you begin and Required equipment in this chapter.
-
Refer to Electrostatic discharge in Chapter 1, Safety.
Steps
Complete the following steps to clear an EC1 loopback (to DSX) condition.
1 |
From the WaveStar® CIT System View, click the Alarm List button and locate the EC1 loopback (to DSX) condition in the resulting alarm list. |
2 |
Refer to the Probable Cause column in the alarm list, and note the corresponding AID. |
3 |
From the System View, select Fault → Analysis → Loopback, expand the appropriate circuit pack, select the affected EC-1 port, and click Select. Result: The Loopback window opens. |
4 |
From the Loopback screen, select Facility and Release. Click Apply. Result: A warning message appears asking you to confirm executing this command. Click Yes and Close. End of steps |