Nortel DMS-100 Series Maintenance Manual page 248

7-64 RLCM alarm clearing procedures
Ext FSP
RLCE frame major
Clearing an Ext FSP RLCE frame majoralarm
At the RLCE frame
1
2
3
4
5
297–8351–550 Standard 04.01 August 1999
(continued)
Determine if any converter fail LEDs on each converter in the frame are lit.
If
a converter fail LED is lit
the converter fail LEDs are not lit
Determine if one or both ringing generator (RG) fail LEDs on the two RGs are
lit. The RGs are located at the top of the frame,
Note: The FAIL LED is located behind the front panel of the RG.
If
a FAIL LED is lit
the FAIL LEDs are not lit
Determine if any line drawer fuses (01 to 15, and RA and RB) are blown. The
line drawer fuses are located on the fuse panel above each unit in the frame.
If
a fuse is blown
the fuses are not blown
Determine if any alarm battery supply (ABS) fuses (01 to 08),are blown
(protruding fuse indicator). The ABS fuses are located on the FSP.
If
a fuse is blown
the fuses are not blown
Determine if the alarm battery supply wiring in the FSP is short-circuited. To
determine if the alarm battery supply wiring is short-circuited, contact the next
level of support.
Do
step 55
step 2
Do
step 41
step 3
Do
step 9
step 4
Do
step 5
step 109