AT&T System 75 Wiring Diagram page 168
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Also See for System 75:
- Wiring manual (593 pages) ,
- User manual (103 pages) ,
- User manual (45 pages)
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Equipment Room Hardware And Cabling Installation
11O-TYPE TERMINAL BLOCK
ROW/66-TYPE
CONNECTING
BLOCK IN GREEN FIELD
PAIRS
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18 19 20 21 22 23 24
1 PAIR
JUMPERS
1 2 3 4 5 6 7 8 9
10 11 12
PAIRS
10 11 12
1 2 3 4 5 6 7 8 9
PAIRS
11O-TYPE TERMINAL BLOCK
ROW/66-TYPE
CONNECTING
BLOCK IN PURPLE FIELD
Figure 3-58. Example of Establishing 3-Pair Modularity for Trunk
Pairs Used for 3-Pair Tie Trunks
3-85
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