ZyXEL Communications IES-2000, User Manual

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IES-2000/3000 User’s Guide
B Hardware Telco-50 Pin Assignments
Diagram 2 shows the phone port pin assignments of the CO Telco-50 connectors on the splitter chassis’ rear panel.
Diagram 2 IES-2000/3000ST CO Telco-50 Pin Assignments
This table lists the ports and matching pin numbers.
PORT NUMBER PIN NUMBER
1 25, 50
2 24, 49
3 23, 48
4 22, 47
5 21, 46
6 20, 45
7 19, 44
8 18, 43
9 17, 42
10 16, 41
11 15, 40
12 14, 39
13 13, 38
14 12, 37
15 11, 36
16 10, 35
17 9, 34
18 8, 33