20 Failure rates
Table 4 continued
-
Failure rates of circuit packs
PEC/NT
Description Failure Rate
Code per
lo6
hrs
QlT295
CO, FX, MR DET Trunk
_
10.46
Ql’C296
QPC297
Circuit
(A-Law)
4-Wire E&M Trunk (A-Law)
Attendant Console Monitor 8.38
7.85
QPC301
@Law)
CDR ROM 10.05
QPC327
QPC330
LineCard
MFC Sender/Receiver
Buffered Message Register 20.07
9.78
/“‘“’
Spares planning 553-3001-153
.
.