E-2
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide
OL-8371-05
AppendixE Console Cable Pinouts
Overview
Overview
The access point requires a special serial cable that connects the access point serial consol e port ( R J-4 5
connector) to your PC’s COM port (DB-9 connector). This cable can be purchased from Cisco (part
number AIR-CONCAB1200) or can be built using the pinouts in this appendix.
Console Port Signals and Pinouts
Use the console RJ-45 to DB-9 serial cable to connect the access point’s console port to the COM port
of your PC running a terminal emulation program.
Note Both the Ethernet and console ports use RJ-45 connectors. Be ca reful to avoid accidently connecting the
serial cable to the Ethernet port connector.
Note After completing your configuration changes, you must remove the ser ial con sole cab le fro m the acce ss
point.
Table E -1 lists the signals and pinouts for the console RJ-45 to DB-9 serial cable.
TableE-1 Signals and Pinouts for a Console RJ-45 to DB-9 Serial Cable
Console Port PC COM Port
RJ-45 DB-9
Pins Signals Pins Signals
1NC
1
1. NC indicates not connected.
––
2NC
1––
3TXD
2
2. TXD indicates transmit data.
2RXD
3
3. RXD indicates receive data.
4GND
4
4. GND indicates ground
5GND
4
5GND
35GND
4
6RXD
53TXD
2
7NC
1––
8NC
1––