B&B Electronics 232SS21600 Manual De Usuario
C-4
Appendix C
232SS21600 Manual
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
Chart 7. IBM PC DB9 Connector to Ports A - D (DCE)
Master port DTE, Slave port DCE.
Straight Through Connection
IBM PC
Serial Port
DB9 Connector
Signal
Direction
232SS2
Ports A – D (DCE)
DB25 Connector
1
<-----------
8
2
<-----------
3
3
----------->
2
4
----------->
20
5
GROUND
7
6
<-----------
6
7
----------->
4
8
<-----------
5