B&B Electronics 232XSSD4 Manual page 11

Table 3. DTE MASTER PORT CHART
Pin #
2
3
4
5
6*
7
8*
20
14**
15**
16**
17**
* Pins 6 & 8 are tied together inside the 232XSSD4 and
share the same input. Refer to Figure 5.
** 422 master port option only
8
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
Signal Description
TD Transmit Data
RD Receive Data
RTS Request to Send
CTS Clear to Send
DSR Data Set Ready
SG Signal Ground
CD Carrier Detect
DTR Data Term Ready
TD (B) Transmit +
TD (A) Transmit -
RD (B) Receive +
RD (A) Receive -
PH (815) 433-5100 -- FAX (815) 433-5104
Signal
Direction of
DTE Master
Port
Output
Input
Output
Input
Input
<------>
Input
Output
Output
Output
Input
Input
232XSSD43800 Manual