User's Manual Part 5

CORRECTIVE MAINTENANCE ROI-S05751
5-16
Chart 5-1 (Cont’d)
Step Procedure
For OC-3 (O) (APS)
14 Click on the “Main Loopback (Near End)” button in
“Maintenance1” menu, click on the setting button “INTFC ( )” and
click on the “Set” button,
15 Click on the Alarm/Status on LCT MENU to check the status,
16 Refer to Fig. 5-7 to 5-9 Troubleshooting Flowchart to diagnose
the problem,
17 Click on the setting button “Off” of the Main Loopback (Near
End) and click on the “Set” button,
18 Click on the setting button of Main Loopback (Far End) in
“Maintenance 1” menu and click on the “Set” button,
19 Click on the Alarm/Status on LCT MENU to check the status,
20 Refer to Fig. 5-7 to 5-9 Troubleshooting Flowchart to diagnose
the problem,
21 Click on the setting button “Off” of the Main Loopback (Far
End),
22 Reset control for TX RX SW to “Off”,
23 Reset Maintenance mode to “Off”.
---Maintenance1---
Item Value Setting
Maintenance On
Off On
Set
Main Loopback (Near End) INTFC (1) On Off On Set
Main Loopback (Near End) INTFC (2) Off Off On Set
Main Loopback (Far End) Off Off On Set