Hi,
I was wondering what the pinouts of a peripheral's female RS-232 DB9 connection. Basically, a device to be controlled by a standard PC. I'm having a bit of a conflict concerning the crossing of the RX & TX lines.
The standard RS-232 connector is a 25 conductor DB-25, although
many PCs (and some other equipment) now use a 9 pin DE-9 (often
incorrectly called DB-9) Serial Port Connections
Computer (DTE) Modem
DB-25 DE-9 Signal Direction DB-25
2 3 Tx Data -> 2
3 2 Rx Data <- 3
4 7 Request to send -> 4
5 8 Clear to send <- 5
6 6 Data Set Ready <- 6
7 5 signal ground 7
8 1 Data CarrierDetect <- 8
20 4 Data Terminal Ready -> 20
22 9 Ring Indicator <- 22(stolen from my NMEA-0183 FAQ)
-- Peter Bennett TRIUMF 4004 Wesbrook Mall, Vancouver, BC, Canada GPS and NMEA info and programs: http://vancouver-webpages.com/peter/index.html
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