
ADDITIONS
Table B.
J58890AB (System 75) Control Cabinet Circuit Pack Locations
Slot
Description
Code
Position
Note
Maintenance TN731(B)
MAINTENANCE
Processor
TN711(B)
PROCR
Memory
TN734
MEM 1
Memory
TN734
MEM 2
5
Tape Control
TN729
TAPE
Network Control
TN727
NETCON
Tone-Clock
TN714 TONE CLOCK
1
Tone-Clock
TN741
TONE CLOCK
2
Tone Detector TN748(B)
First Port
4
CO Trunk
TN747(B)
1-12
DID Trunk
TN753
1-12
Tie Trunk
TN760(B)
1-12
Auxiliary Trunk
TN763(B)
1-12
DS1 Tie Trunk
TN722(B)
1-12
Digital Line
TN754
1-12
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