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A758 Owner’s Guide Chapter 6: Communiction Interface
September 1999 94
Connector Pin-outs
This section describes the pin settings for the connectors on the back of the
printer.
Communication Connectors
The following illustrations show the RS-232C communication connectors and pin
assignments. The connectors are located at the rear of the printer, and are
specified as: male DB9, 9-pin or female DB-25, 25 pin D-shell, with RTS and CTS
pins connected.
9-pin DB-9 Connector
DSR 6
RTS 7
CTS 8
Not Used 9
1 Not Used
2 RXD
3 TXD
4 DTR
5 Logic Ground
Shell-Frame Ground
25-pin DB-25 Connector
Not Used
Not Used
Not Used
Not Used
Not Used
9
10
11
12
13
14
15
1
2
3
4
5
6
7
8
Frame Ground & Shield
Transmit Data
16
17
18
19
20
21
22
23
24
25
Receive Data
RTS
CTS
DSR
Logic Ground
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
DTR
Not Used
Not Used
Not Used
Not Used
Not Used
Function
Function
Pin Numbers