Cisco 3000 Series

RS-232 Console and
Auxiliary
Port
Signals
and Pinouts
Step
Use the
following
illustrations and connection
tables as
guide
to
making
your
own
cables
When
assembling an
RS-232
console
cable
refer to Table A-i
When
assembling an
RS-232
auxiliary cable
refer to Table A-2
When
assembling an
RS-232
cable
refer
to
Figure A-i
Table
A-3
and Table A-4
When
assembling
an
RS-449
cable
refer
to
Figure A-2
Table
A-5
and Table A-6
When
assembling
V.35
cable
refer
to
Figure A-3
Table
A-7
and Table A-8
When
assembling
an
X.2i
cable refer to
Figure A-5
Table
A-9
and Table A-9
When
assembling
an
EIA-530
cable
refer to
Figure
A-6 and Table A-li
When
assembling
an
Ethernet
AUT cable
refer to
Figure
A-7 and Table A-12
RS-232 Console and
Auxiliary
Port
Signals
and Pinouts
Refer
to
Table A-i when
assembling an
RS-232 console
cable
and refer
to
Table A-2 when
assembling
an
RS-232
auxiliary
port
cable
Table A-i Console
Port RS-232 Pinouts and
Signals 25-Pin Connector
Pin1
Signal
Name Direction
Frame Ground
Transmitted Data
Input
Received Data
Output
Request
To Send Shorted
together internally
with Pin
Clear To Send
Shorted to Pin
Output
Ground
Carrier Detect
Output
20 Data Terminal
Ready Input
Any pin not
referenced
on connector is not connected
Table A-2
Auxiliary
Port RS-232 Pinouts and
Signals 25-Pin Connector
Pin1
Signal
Name Direction
Frame Ground
Transmitted Data
Output
Received Data
Input
Request
To Send
Output
Clear To Send
Input
Ground
Carrier Detect
Input
20 Data Terminal
Ready
Output
22
Ring
Indicator
Input
Any pin
not referenced
on connector is not connected
A-2 Cisco 3000 Hardware Installation and Maintenance