B&B Electronics ESR904 - Manual - Manual (Page 81)

RS-232 Connections
Manual Documentation Number: ESR90x-5012m Appendix A 71
B&B Electronics Mfg Co Inc – 707 Dayton Rd - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – www.bb-elec.com
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – www.bb-europe.com
ESR901 Terminal Block Pin-out in RS-232 Mode
GN
D
CT
S/T
X-
TX
/TX+
RX
/RX
+
RT
S/RX
-
1
2
3
4
5
RS-232
Signal Name
DTE RS-232 Terminal
Signal Ground --- GND 1
Clear To Send In CTS 2
Transmit Data Out TXD 3
Receive Data In RXD 4
Request To Send Out RTS 5
Figure 50. ESR901 Terminal Block Pin-out in RS-232 Mode