Cabling and Connector Specifications
T1/PRI interface specifications
MAX TNT Hardware Installation Guide B-7
T1/PRI crossover cable: RJ-48C/DB-15
Before installing the RJ-48C/DB-15 cable, verify that the WAN transmits on pins 1 and 9 and
receives on pins 3 and 11. Table B-6 and Figure B-4 show the pinouts.
Figure B-4. RJ-48C/DB-15 crossover cable
Table B-6. RJ-48C/DB-15 crossover cable specifications
Pair # Signal Male RJ-48C Male DB-15P
1 Receive 1
2
1
9
2Transmit5
4
3
11
1 RECEIVE
2 RECEIVE
4 TRANSMIT
5 TRANSMIT
RECEIVE 1
9 RECEIVE
TRANSMIT 3
11 TRANSMIT
Male RJ-48C
Male RJ-48CMale DB-15