Specifications

B-4 Appendix B: Cable Charts Documentation Number 232BSS4 0812 Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax [phone]
B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph [phone] – Fax [phone]
- Pins 6, 8, & 20 looped back internally on the
232BSS4
Slave Port Connections:
Chart B.5. Ports A - D (DTE) to DTE (PC) DB25 Connector
232BSS4
Ports A - D (DTE)
DB9 Connector
Signal
Direction
DTE (PC)
Serial Port
DB25 Connector
1 (DCD) *
---------->
8
2 (RD)
<----------
2
3 (TD)
---------->
3
4 (DTR) *
---------->
6
5 (GND)
<-------->
7
6 (DSR) *
<----------
20
7 (RTS)
---------->
5
8 (CTS)
<----------
4
* - Pins 1, 4, & 6 looped back internally on the
232BSS4
Chart B.6. Ports A - D (DTE) to DTE (PC) DB9 Connector
232BSS4
Ports A - D (DTE)
DB9 Connector
Signal
Direction
DTE (PC)
Serial Port
DB9 Connector
1 (DCD) *
---------->
1
2 (RD)
<----------
3
3 (TD)
---------->
2
4 (DTR) *
---------->
6
5 (GND)
<-------->
5
6 (DSR) *
<----------
4
7 (RTS)
---------->
8
8 (CTS)
<----------
7
- Pins 1, 4, & 6 looped back internally on the
232BSS4
Chart B.7. Ports A - D (DTE) to DCE (Modem) DB25 Connector
232BSS4
Ports A - D (DTE)
DB9 Connector
Signal
Direction
DCE (Modem)
Serial Port
DB25 Connector