A SERVICE OF

logo

Open as PDF
next previous
Using the Serial Interface
Host Serial and Parallel Interface Configuration B-3
Interface
Configuration
The serial interface is accessible through a 25-pin female connector (Figure B-2) at the back of
the printer.
The interface can be configured to operate in an RS-232 or RS-422 configuration. Use the
control panel to set the configuration.
If you are set up for RS-232 operation, you can convert to RS-422 operation by shorting pin 14
of the interface to ground (pin 7).
Figure B-2 RS-232 and RS-422 Host Interface Connectors pin diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
FGround
TxD
RxD
RTS
Ground
*422Sel
DTR
FGround
RxDA
Ground
TxDA
TxDB
*422Sel
RxDB
(RS-232 interface) (RS-422 interface)