Rs-232 Loopback; Figure A-1 Rs-232 Loopback Cable Signals - HP e3000 Installation And User Manual

Mpe/ix computer systems 8-port serial pci acc multiplexer
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RS-232 Loopback

The RS-232 loopback cable signals are shown in Figure A-1.
Figure A-1
RS-232 Loopback Cable Signals
Appendix A
(Internal Clock)
Signal Name
ID
Chassis Gnd
1
Signal Gnd
7
RTS
4
CTS
5
6
DSR
DCD
8
20
DTR
TXD
2
RXD
3
15
TXC
RXC
17
24
ETC
Interchange Panels
RS-232 Loopback
(External Clock)
Signal Name
ID
1
Chassis Gnd
7
Signal Gnd
4
RTS
5
CTS
6
DSR
8
DCD
20
DTR
2
TXD
3
RXD
15
TXC
17
RXC
24
ETC
35

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