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Table 3. DCE MASTER PORT CHART
Master Port
(DCE)
Pin# Direction
3
Input
2
Output
7
Input
8
Output
4
Input
6
Output
1
Output
5
<------->
Table 4. DTE MASTER PORT CHART
Master Port
(DTE)
Pin# Direction
3
Output
2
Input
7
Output
8
Input
4
Output
6
Input
1
Input
5
<------->
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.
232XS2497 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
Signal
Description
Transmit Data (TD)
Receive Data (RD)
Request to Send (RTS)
Clear to Send (CTS)
Data Terminal Ready (DTR)
Data Set Ready (DSR)
Data Carrier Detect (DCD)
Signal Ground (SG)
Signal
Description
Transmit Data (TD)
Receive Data (RD)
Request to Send (RTS)
Clear to Send (CTS)
Data Terminal Ready (DTR)
Data Set Ready (DSR)
Data Carrier Detect (DCD)
Signal Ground (SG)
PH (815) 433-5100 -- FAX (815) 433-5109
A,B,C,D & E Ports
(DTE)
Pin#
Direction
3
Output
2
Input
7
Output
8
Input
4
Output
6
Input
1
Input
5
<----->
A,B,C,D & E Ports
(DCE)
Pin#
Direction
3
Input
2
Output
7
Input
8
Output
4
Input
6
Output
1
Output
5
<----->
5
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