
Pub. 43003-014B
Model XCP0030A Telco Interface Kit Page: 4of 4
11/02
Telco Interface Pin Connectors
Pair # (Pin #) Pin Function (Pin #)
(for dc pos, neg) Pair # (Pin #) Pin Function (Pin #)
(for dc pos, neg)
1 (1, 26) TX 1 (14, 15) 13 (13, 38) TX 7 (8, 9)
2 (2, 27) RX 1 (1, 2) 14 (14, 39) RX 7 (10, 11)
3 (3, 28) TX 2 (3, 4) 15 (15, 40) TX 8 (12, 13)
4 (4, 29) RX 2 (5, 6) 16 (16, 41) RX 8 (24, 25)
5 (5, 30) TX 3 (8, 9) 17 (17, 42) TX 9 (14, 15)
6 (6, 31) RX 3 (10, 11) 18 (18, 43) RX 9 (1, 2)
7 (7, 32) TX 4 (12, 13) 19 (19, 44) TX 10 (3, 4)
8 (8, 33) RX 4 (24, 25) 20 (20, 45) RX 10 (5, 6)
9 (9, 34) TX 5 (14, 15) 21 (21, 46) TX 11 (8, 9)
10 (10, 35) RX 5 (1, 2) 22 (22, 47) RX 11 (10, 11)
11 (11, 36) TX 6 (3, 4) 23 (23, 48) TX 12 (12, 13)
12 (12, 37) RX 6 (5, 6) 24 (24, 49) RX 12 (24, 25)
Figure 4.