Specifications

B-6 Appendix B: Serial Port Connections 232SPS2-0812 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
TABLE B-4
DB-9 Serial Port Connections (P to S)
Serial Port
(DTE)
DB-9S
Pin #
Signal Name Direction
232SPS2
(DCE)
DB-25P
Pin #
1
Data Carrier Detect
<-----------
8**
2
Receive Data
<-----------
3
3
Transmit Data
----------->
2
4
Data Terminal
Ready
----------->
20
5
Signal Ground
7
6
Data Set Ready
<-----------
6**
7
Request to Send
4
8
Clear to Send
<-----------
5**
* When using XON/XOFF control, this connection may not be
required.
** Some printers may require this connection.