CTI Products EXB-232 Asynchronous Serial System Extender User Manual
Page 24
Advertising
68-11089-115
20
EXB-Serial Module PORT 1 and PORT 2 Connectors
Connector type: standard DE9 male
Pinout as DTE (PC-AT pinout)
In general, all signals (except RI and DCD) must be connected for proper operation.
EXB Pin
Function
Direction
1
DCD
Input
2
RXD
Input
3
TXD
Output
4
DTR
Output
5
ground
---
6
DSR
Input
7
RTS
Output
8
CTS
Input
9
RI
Input
The table below shows the wiring list for back to back connections of two EXB-Serial modules:
EXB 1 Signal Name
EXB 1 Pin
EXB 2 Pin
EXB 2 Signal Name
TXD
3
2
RXD
RXD
2
3
TXD
DTR
4
6
DSR
DSR
6
4
DTR
CTS
8
7
RTS
RTS
7
8
CTS
ground
5
5
ground
Advertising
This manual is related to the following products: