FXS/FXO ports
57
SmartNode 4300 Series User Manual
C
• Port Pin-outs
Table 11. Band marked wiring key for the 50-pin RJ-21X connector
Tip & Ring
Pair Number
50 Pin
Positions
Tip 1
Pair 1
26
Ring 1
1
Tip 2
Pair 2
27
Ring 2
2
Tip 3
Pair 3
28
Ring 3
3
Tip 4
Pair 4
29
Ring 4
4
Tip 5
Pair 5
30
Ring 5
5
Tip 6
Pair 6
31
Ring 6
6
Tip 7
Pair 7
32
Ring 7
7
Tip 8
Pair 8
33
Ring 8
8
Tip 9
Pair 9
34
Ring 9
9
Tip 10
Pair 10
3
5
Ring 10
10
Tip 11
Pair 11
36
Ring 11
11
Tip 12
Pair 12
37
Ring 12
12
Tip 13
Pair 13
38
Ring 13
13
Tip 14
Pair 14
39
Ring 14
14
Tip 15
Pair 15
40
Ring 15
15
Tip 16
Pair 16
41
Ring 16
16
Tip 17
Pair 17
42
Ring 17
17
Tip 18
Pair 18
43
Ring 18
18
