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CIRCUIT PACK SLOTS
1 2 3
4
5
6
7 8
9
10
11
12
POWER
PORT CIRCUITS
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)
NOTES :
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)
*
†
#
CALL PROCESSOR (ZTN82 IN R1V1)
(ZTN128 IN R1V2)
POOLED MODEM (TN758)
(MAXIMUM 2-PER CABINET)
DATA LINE (TN726)
GROUND START TRUNK (ZTN76)
LOOP START TRUNK (ZTN77)
DID TRUNK (TN753)
TIE TRUNK (TN760B)
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.
Figure 4-3. System Circuit Pack Configurations
4-5