232PE3095 Manual
5
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
Port Configuration
The 232PE has four selectable ports labeled "A" through "D".
Refer to Figure 8. Any of the ports can be manufactured to meet
either RS-232 or RS-422/485 electrical characteristics.
RS-232 Configuration
RS-232 ports will be wired as DTE ports. Refer to Table 2 for
pin out, signal name, and signal direction information. Also, refer to
Figure 4 for a simplified schematic showing the relationship
between the master port of the 232XSS and any RS-232 port of the
232PE. Refer to Appendix B for cable charts.
Table 2. RS-232 DTE PORTS A - D
Pin #
Signal
Description
RS-232 Signal
Direction of
DTE Ports A
through D
2
TD
Transmit Data
Output
3
RD
Receive Data
Input
4
RTS
Request to Send
Output
5
CTS
Clear to Send
Input
6*
DSR
Data Set Ready
Input
7
SG
Signal Ground
<------>
8*
CD
Carrier Detect
Input
20
DTR
Data Term Ready Output
* Pins 6 & 8 are tied together inside the 232PE and
share the same input, refer to Figure 4.
Summary of Contents for Port Expander 232PE
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