Installation guide
A-78 Cisco 4000 Series Installation Guide
Ethernet Cable Pinouts
Ethernet Cable Pinouts
The following figures and tables provide the pinouts and signal descriptions for the
Ethernet (AUI) cable and RJ-45 connector.
Ethernet (AUI) Cable Pinouts
Figure A-15 shows the Ethernet (AUI) cable assembly, and Table A-29 lists the pinouts.
Figure A-15 Ethernet (AUI) Cable Assembly
Not used 14–18,
20–24,
39–43,
45–49
14–18,
20–24,
39–43,
45–49
Not used
Table A-29 Ethernet (AUI) Pinouts
Pin
1
Ethernet Circuit Signal Name
3 DO-A Data Out Circuit A
10 DO-B Data Out Circuit B
Table A-28 Null Modem Cable Pinouts (Continued)
Signal Name
From
Pins
Directio
n To Pins Signal Name
H1031a
J2-1
J2-9
J2-15
J2-8
J
1-1
J
1-9
-15
J
1-8
J1
J2