RS232 DB9 Connector

dsub9m

DB-9M
Function
Abbreviation
Pin #1
Data Carrier Detect
CD
Pin #2
Receive Data
RD or RX or RXD
Pin #3
Transmitted Data
TD or TX or TXD
Pin #4
Data Terminal Ready
DTR
Pin #5
Signal Ground
GND
Pin #6
Data Set Ready
DSR
Pin #7
Request To Send
RTS
Pin #8
Clear To Send
CTS
Pin #9
Ring Indicator
RI

Data orginally from http://www.pin-outs.com

[Home] [Trimble] [Basic Setup] [Phones] [Cables] [Troubleshooting] [Types] [US Carriers] [Internet Links]