Are you ready to start monitoring and analysis your phone systems?

Try PBXDOM for 14 days free
no credit card required.

Try free for 14 days 

Follow us

Follow us and get the latest news through your favorite Social Network

Computer Com Port (RS-232/V.24 pin out on a DB-9)

September 14th, 2015

Computer Com Port (RS-232/V.24 pin out on a DB-9)



1CDCarrier Detect
2RXDReceive Data
3TXDTransmit Data
4DTRData Terminal Ready
5GNDSystem Ground
6DSRData Set Ready
7RTSRequest to Send
8CTSClear to Send
9RIRing Indicator
Reza Mousavi

Reza Mousavi

Serial Entrepreneur, Founder & CEO at PBXDom, Software Architect, Frequent reader, Fan of adventure travel
Reza Mousavi

Latest posts by Reza Mousavi (see all)

More from our library of resources

cdr Com Port DB-9 PC rs232 smdr V.24
Read more:
Inside Call Summary widget , PBXDOM call logging software

One of the most popular and useful widgets in PBXDOM is that of call summaries. This widget shows you an...