Fujitsu FLM 150 ADM Maintenance And Trouble Clearing page 103

Maintenance and Trouble Clearing
FJTU-320-515-480
4.4.2 Procedure
Step 1 If you have a known-good unit, use it to replace the original unit, or locate
another unit and inspect it for damage, debris, and foreign objects. Verify that you
have the correct type of TS1A unit for your application:
• TSIA-BSC (Figure 4-5)
• TS1A-ENH (Figure 4-6)
• TS1A-ENH2 (Figure 4-7)
Note: The TS1A-ENH unit requires the use of MP1A-V3/-ADL and SV1A-TL4/-TDL1 cards.
The TS1A-ENH2 requires the use of the MP1A-ADL and SV1A-TDL1 cards.
Note: The TS1A unit has no hardware option settings.
Step 2 Replace the original unit. Is the LINE LED off and the FAIL/SVCE LED green?
Complete your fault-reporting documentation.
You have completed this procedure.
Check the signal of the MC1A and TS1A units at the remote terminal. Are the
Step 3
FAIL/SVCE LEDs green?
Go to Step 5.
Step 4 At the remote terminal, replace the MC1A or the TS1A with a known-good unit, if
you have one, or with another unit. Is the LINE LED on the TS1A unit off and the
FAIL/SVCE LED green?
Complete your fault-reporting documentation.
You have completed this procedure.
Issue 9, May 1999
If Yes:
If Yes:
If Yes:
FNC and FNC Customer Use Only
4.4: Replacing the Time-Slot Assignment (TS1A)
Go to Step 3.
If No:
Go to Step 4.
Go to Step 5.
Unit
If No:
If No:
Vol. ll, Page 480.4-11