Chart B.3. Dce (Modem) Db25 Connector To Master Port; Chart B.4. Dce (Modem) Db9 Connector To Master Port - Advantech B+B SmartWorx 232BSS4 Manual

Chart B.3. DCE (Modem) DB25 Connector to Master Port

DCE (Modem)
Serial Port
DB25 Connector
2
3
4
5
6
7
20
• - Pins 6, 8, & 20 looped back internally on the
232BSS4

Chart B.4. DCE (Modem) DB9 Connector to Master Port

DCE (Modem)
Serial Port
DB9 Connector
2
3
4
5
6
7
8
Documentation Number 232BSS4 0812 Manual
Signal Master Port (DCE)
Direction DB25 Connector
<-----------
(RD)
----------->
(TD)
<-----------
(CTS)
----------->
(RTS)
----------->
(DTR) *
<--------->
(GND)
<-----------
(DSR) *
Signal Master Port (DCE)
Direction DB25 Connector
----------->
(TD)
<-----------
(RD)
<-----------
(DSR) *
<--------->
(GND)
----------->
(DTR) *
<-----------
(CTS)
----------->
(RTS)
Appendix B: Cable Charts
232BSS4
3
2
5
4
20
7
6
232BSS4
2
3
6
7
20
5
4
B-3