Nortel North American DMS-100 Instruction Manual page 128

14-in. disk drive unit
MTD:01
DDU:02
IOC:01
DDU:01
DMS 100
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Replacing a 14-in. disk drive unit
Talk Data
Fan Fail
Line Loop
Fan Alm Override
A A
B B
–48 ABS BAT RTN
Front panel
Frame Level Fusing
Z03
Frame Fail
IOE:01
Disk drive unit
(DDU)l
(continued)
Alarm Battery Fusing
1-113