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Appendix A
Serial Pin Assignments
Serial Pin Assignments
The O810e has a 9-pin serial connector. If your cable has a 25-pin connector on the printer end, see your
dealer for a 9-to-25-pin adapter.
Pin
Signal
1
Data Carrier Detect
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
Shell
Frame Ground
Symbol
Direction
DCD
-
RD
To Printer
TD
From Printer
DTR
From Printer
SG
-
DSR
To Printer
RTS
From Printer
CTS
To Printer
RI
-
-
-
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