
CIRCUIT PACK SLOTS 
1
2 3 4 5 6 7 8 9 10 11 12
| PORT CIRCUITS |
POWER | SERVICE CIRCUIT |
|
CALL PROCESSOR
(a)CABINET 1 - (MOUNTING FOR 3 CONTROL & 9 PORT CIRCUIT PACKS)
CIRCUIT PACK SLOTS
1 2 3 4 5 6 7 8
9 10 11 12
POWER | PORT CIRCUITS |
SUPPLY
(b) CABINET 2 OR 3 - (MOUNTING FOR 12 PORT CIRCUIT PACKS)
N O T E S :
1.REFER TO TECHNICAL SPECIFICATIONS, SECTION 8 FOR CIRCUIT PACK UNIT LOAD INFORMATION.
2.DIVIDE THE TOTAL NUMBER OF VOICE TERMINAL AND TRUNK CIRCUIT PACKS BETWEEN THE CABINETS USED.
3.MOUNT VOICE TERMINAL CIRCUIT PACKS FROM THE RIGHT, TRUNK CIRCUIT PACKS FROM THE LEFT.
4.COMMON CONTROL CIRCUIT PACKS *
● MEMORY (ZTN81 IN R1V1) (ZTN127 IN R1V2)
5. SYSTEM RESOURCE CIRCUIT PACKS #
● SERVICE CIRCUIT (ZTN85) ● TONE DETECTOR (TN748)
6. PORT CIRCUIT PACKS †
● TIP RING LINE (ZTN78) ● ATL LINE (ZTN79)
● MET LINE (TN735)
● ANALOG LINE (TN742)
● AUXILIARY TRUNK (TN763)
●STARLAN INTERFACE (ZTN84)
*CIRCUIT PACKS MUST BE MOUNTED IN CABINET 1, IN THE SLOTS INDICATED
†UNIVERSAL PORT CIRCUIT PACKS CAN BE MOUNTED IN ANY AVAILABLE PORT SLOT
#SERVICE CIRCUIT MUST BE MOUNTED IN SLOT 3 AS SHOWN. POOLED MODEM AND TONE DETECTOR MAY BE MOUNTED IN ANY PORT CIRCUIT SLOT.