User Manual

Cable Connectors and Pinouts
M40 Internet Router Hardware Guide
210
Table 28: RJ-48 Connector to DB-15 Connector (Straight) Pinout
Table 29: RJ-48 Connector to DB-15 Connector (Crossover) Pinout
RJ-48 Pin (on T1/E1 PIC)
(Data numbering form)
DB-15 Pin
(Data numbering form) Signal
1 11 RX/Ring/– <––>RX/Ring/–
2 3 RX/Tip/+ <––>RX/Tip/+
4 9 TX/Ring/– <––>TX/Ring/–
5 1 TX/Tip/+ <––>TX/Tip/+
3 4 Shield/Return/Ground
6 2 Shield/Return/Ground
7 No connect No connect
8 No connect No connect
9 No connect No connect
10 No connect No connect
11 No connect No connect
12 No connect No connect
13 No connect No connect
14 No connect No connect
15 No connect No connect
RJ-48 Pin (on T1/E1 PIC)
(Data numbering form)
DB-15 Pin
(Data numbering form) Signal
1 9 RX/Ring/– <––>TX/Ring/–
2 1 RX/Tip/+ <––>TX/Tip/+
4 11 TX/Ring/– <––>RX/Ring/–
5 3 TX/Tip/+ <––>RX/Tip/+
3 4 Shield/Return/Ground
6 2 Shield/Return/Ground
7 No connect No connect
8 No connect
No connect
9 No connect No connect
10 No connect
No connect
11 No connect No connect
12 No connect
No connect
13 No connect No connect
14 No connect
No connect
15 No connect No connect