HP 303B Maintenance & Service Guide: HP 303B Microtower Business PC - Page 68
Appendix D, Connector Pin Assignments, Carrier Detect 12V if powered
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1 Carrier Detect (12V if powered) 2 Receive Data 3 Transmit Data 4 Data Terminal Ready 5 Signal Ground 6 Data Set Ready 7 Request to Send 8 Clear to Send 9 Ring Indicator (5V if powered) 60 Appendix D Connector Pin Assignments
1
2
3
Carrier Detect (12V if powered)
Receive Data
Transmit Data
4
5
6
Data Terminal Ready
Signal Ground
Data Set Ready
7
8
9
Request to Send
Clear to Send
Ring Indicator (5V if powered)
60
Appendix D
Connector Pin Assignments