Lucent Technologies MAX TNT - Table B-22 Cable Pinouts for the 50-Pin Telco Connector

Cabling and Connector Specifications
SDSL cable specifications
MAX TNT Hardware Installation Guide B-29
The high-performance SDSL data card uses a universal service order code (USOC) RJ-21X
50-pin telco connector. Cable pinouts are shown in Table B-22.
18 11 43 Ring 18
19 8 19 Tip19
19 9 44 Ring 19
20 6 20 Tip 20
20 7 45 Ring 20
21 4 21 Tip 21
21 5 46 Ring 21
22 2 22 Tip 22
22 3 47 Ring 22
23 1 23 Tip 23
23 20 48 Ring 23
24 21 24 Tip 24
24 22 49 Tip 24
Table B-22. Cable pinouts for the 50-pin telco connector
Signal Pin Signal
1 1R (channel 1 ring) 26 1T (channel 1 tip)
22R 272T
33R 283T
44R 294T
55R 305T
66R 316T
77R 327T
88R 338T
99R 349T
Table B-21. SDSL cable pinouts (continued)
Pair P1 Pin P2 Pin J1 Pin Signal