41
Appendix A Pinouts and Cable Wiring
C114HI is suitable for RS-232, RS-422 or RS-485 communications. Each port can be
set to RS-232, RS-422 or RS-485 interface independently via the jumpers. Refer to
Chapter "Hardware Installation and IO-IRQ" for more details.
In data communications, the term
DTE
is Data Terminal Equipment like terminal or PC
COM1/2. The term
DCE
is Data Communication Equipment like modem. Their precise
pinouts and cable wiring are as follows.
The following comparison table is for EIA Standards RS-232, RS-422 and RS-485.
Mode of operation No. of Drv. No. of Rcv. Max. length ( FT ) Max. Rate ( bps )
RS-232
single ended
1
1
50
20K
RS-422
differential
1
10
4000
10M
RS-485
differential
32
32
4000
10M
A.1 RS-232
The following lists pinouts of the RS-232 port.
C114HI DB-9 Male Connector
C114HI Pin-head Connector
1
DCD
1
DCD
2
RxD
2
RxD
3
TxD
3
TxD
4
DTR
4
DTR
5
GND
5
GND
6
DSR
6
DSR
7
RTS
7
RTS
8
CTS
8
CTS
9
RI
9
RI
10
NC
Summary of Contents for Industio C114HI
Page 1: ...C114HI 3 in 1 RS 232 422 485 Industrial Serial Board Apr 1998 2nd Edition All Rights Reserved...
Page 6: ......
Page 10: ...Introduction l l Chapter 1 4...
Page 20: ...Software Installation l l Chapter 3 14...
Page 26: ...For Windows NT Users l l Chapter 4 20...
Page 38: ...For DOS Users l l Chapter 7 32...
Page 42: ...For Windows 3 x Users l l Chapter 8 36...
Page 46: ...Chapter 9 l l RS 232 RS 422 RS 482 Programming 40...