Table 22: RJ-48 Connector to RJ-48 Connector (Crossover) Pinout
RJ-48 Pin
RJ-48 Pin (on T1/E1 PIC)
(Data numbering
(Data numbering form)
form)
3
3
6
6
7
No connect
8
No connect
9
No connect
10
No connect
11
No connect
12
No connect
13
No connect
No connect
14
No connect
15
RJ-48 Pin
RJ-48 Pin (on T1/E1 PIC)
(Data numbering
(Data numbering form)
form)
1
4
2
5
4
1
5
2
3
3
6
6
No connect
7
8
No connect
9
No connect
10
No connect
11
No connect
12
No connect
13
No connect
14
No connect
No connect
15
RJ-48 Cable Pinouts for E1 and T1 PICs
Signal
Shield/Return/Ground
Shield/Return/Ground
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
Signal
RX/Ring/– <––>TX/Ring/–
RX/Tip/+ <––>TX/Tip/+
TX/Ring/– <––>RX/Ring/–
TX/Tip/+ <––>RX/Tip/+
Shield/Return/Ground
Shield/Return/Ground
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
No connect
Cable Connector Pinouts
173