22 Failure rates
Table 4 continued
-
Failure rates of circuit packs
QPC464
Peripheral Buffer 9.00
QPC47 1 Clock Controller 2.44
QPC472 Digital Trunk Interface 6.00
QPC473
1
DTI Carrier Interface
!
6.60
QPC475
QPC477
1
Digitone Receiver
[
Bus Terminating Unit
I
-continued-
I
Spares planning 553-3001-153
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