ZyXEL Communications IES-2500 User Manual page 62

IES-2500 User's Guide
This table lists the ports and matching pin numbers for the hardware Telco-50 connectors.
Chart 9 Hardware Telco-50 Connector Port and Pin Numbers
PORT NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
F
Diagram 2 CO Telco-50 Pin Assignments
PIN NUMBER
25, 50
24, 49
23, 48
22, 47
21, 46
20, 45
19, 44
18, 43
17, 42
16, 41
15, 40
14, 39
PORT NUMBER
13
14
15
16
17
18
19
20
21
22
23
24
PIN NUMBER
13, 38
12, 37
11, 36
10, 35
9, 34
8, 33
7, 32
6, 31
5, 30
4, 29
3, 28
2, 27
Pin Assignments