Cisco 7401ASR Installation And Configuration Manual page 113

Appendix A Specifications
Figure A-1
1
Table A-8
1
Pin
1
2
3
6
1. Any pin not referneced is not connected.
2. TxD = Transmit Data
3. RxD = Receive Data
With reference to the RJ-45 pinouts in
Note
used for the unused Category 5 UTP cable pairs 4/5 and 7/8. Common-mode termination reduces
electromagnetic interference (EMI).
Use the pinouts shown in
for your RJ-45 interface cabling requirements.
Figure A-2
3
1 TxD+
2 TxD–
3 RxD+
6 RxD–
1
2
3
OL-5419-01 B0
RJ-45 Port and Connector
RJ-45 connector
RJ-45 Receptacle Pinouts
Description
2
TxD+
TxD–
3
RxD+
RxD–
Figure A-2
Fast Ethernet/Ethernet Pinouts—Straight-Through or Crossover Cable
1
4
1 RxD+
2 RxD–
3 TxD+
6 TxD–
Straight-through cable pinout, Ethernet port to
a hub or repeater
Crossover cable pinout, Ethernet port to a
DTE
Ethernet port
12345678
1
Table A-8, proper common-mode line terminations should be
for straight-through and crossover twisted-pair cable connections
2
3
1 TxD+ 1 TxD+
2 TxD– 2 TxD–
3 RxD+ 3 RxD+
6 RxD– 6 RxD–
4
Hub
5
DTE
Cisco 7401ASR Installation and Configuration Guide
Fast Ethernet/Ethernet RJ-45 Port Pinouts
5
A-7