M160 Internet Router Hardware Guide
Table 32: RJ-48 Connector to DB-15 Connector (Straight) Pinout
RJ-48 Pin (on T1/E1
PIC)
(Data numbering form)
DB-15 Pin
(Data numbering
form) Signal
111
RX/Ring/– <––>RX/Ring/–
23
RX/Tip/+ <––>RX/Tip/+
49TX/Ring/– <––>TX/Ring/–
51
TX/Tip/+ <––>TX/Tip/+
34Shield/Return/Ground
62
Shield/Return/Ground
7No connect No connect
8No connect No connect
9No 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
Table 33: 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
19
RX/Ring/– <––>TX/Ring/–
21
RX/Tip/+ <––>TX/Tip/+
411 TX/Ring/– <––>RX/Ring/–
53
TX/Tip/+ <––>RX/Tip/+
34Shield/Return/Ground
62
Shield/Return/Ground
7No connect No connect
8No connect No connect
9No connect No connect
10 No connect No connect
11 No connect No connect
12 No connect No connect
13 No connect No connect
272 RJ-48 Cable Pinouts for E1 and T1 PICs