B&B Electronics 232MSS2 Chart 9. IBM PC DB9 Connector to Ports a D DCE, DB9 Connector Direction

Chart 9. IBM PC DB9 Connector to Ports A - D (DCE)

Master port configured as a DTE port with a modem connected (see Chart 3).

IBM PC			232MSS2
Serial Port		Signal	Ports A - D (DCE)
DB9 Connector	Direction		DB9 Connector
3	-----------	>	3
2	<-----------		2
7	-----------	>	6*
8	<-----------		4*
6	<-----------		4*
5	<---------	>	5
1	<-----------		8
4	-----------	>	7

*Pins are tied together inside the 232MSS2, they are not connected to the master port.

B-6 Appendix B Documentation Number 232MSS2-0108 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