B&B Electronics 232BSS4 Manual page 41

1 (DCD) *
2 (RD)
3 (TD)
4 (DTR) *
5 (GND)
6 (DSR) *
7 (RTS)
8 (CTS)
• - Pins 1, 4, & 6 looped back internally on the
232BSS4
Chart B.8. Ports A - D (DTE) to DCE (Modem) DB9 Connector
232BSS4
Ports A - D (DTE)
DB9 Connector
1 (DCD) *
2 (RD)
3 (TD)
4 (DTR) *
5 (GND)
6 (DSR) *
7 (RTS)
8 (CTS)
* - Pins 1, 4, & 6 looped back internally on the 232BSS4
Documentation Number 232BSS42907 Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445
<---------- 8
<---------- 3
----------> 2
----------> 20
<--------> 7
<---------- 6
----------> 4
<---------- 5
DCE (Modem)
Signal Serial Port
Direction DB9 Connector
<---------- 1
<---------- 2
----------> 3
----------> 4
<--------> 5
<---------- 6
----------> 7
<---------- 8
Appendix B: Cable Charts B-5