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232XS2497 Manual 5
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5109
Table 4. DTE MASTER PORT CHART
The 232XS5 supports the following RS-232 signals: TD, RD,
SG, RTS, CTS, DCD, DSR and DTR.
NOTE: All other lines are not connected.
The Smart Switch selects port A as the default port at power up.
Table 3. DCE MASTER PORT CHART
Master Port
(DCE)
Signal
A
,B,C,D & E Ports
(DTE)
Pin# Direction Description Pin# Direction
3 Input Transmit Data (TD) 3 Output
2 Output Receive Data (RD) 2 Input
7 Input Request to Send (RTS) 7 Output
8 Output Clear to Send (CTS) 8 Input
4 Input Data Terminal Ready (DTR) 4 Output
6 Output Data Set Ready (DSR) 6 Input
1 Output Data Carrier Detect (DCD) 1 Input
5 <-------> Signal Ground (SG) 5 <----->
Master Port
(DTE)
Signal
A
,B,C,D & E Ports
(DCE)
Pin# Direction Description Pin# Direction
3 Output Transmit Data (TD) 3 Input
2 Input Receive Data (RD) 2 Output
7 Output Request to Send (RTS) 7 Input
8 Input Clear to Send (CTS) 8 Output
4 Output Data Terminal Ready (DTR) 4 Input
6 Input Data Set Ready (DSR) 6 Output
1 Input Data Carrier Detect (DCD) 1 Output
5 <-------> Signal Ground (SG) 5 <----->