Documentation Number: ESP902-2303 Manual
Appendix B
B-1
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
APPENDIX B: RS-232 CONNECTIONS
RS-232
Signal Name
DTE
RS-232 DB9M
Pin
Carrier Detect
In
DCD
1
Receive (Rx) Data
In
RXD
2
Transmit (Tx) Data
Out
TXD
3
Data Terminal Ready
Out
DTR
4
Signal Ground
---
GND
5
Data Set Ready
In
DSR
6
Request To Send
Out
RTS
7
Clear To Send
In
CTS
8
Ring Indicator
In
RI
9