Printer Serial Port - Intermec EasyCoder 3400e User Manual

Appendix C— Communications Reference

Printer Serial Port

92
C d
The rear panel of the printer contains the serial port connector. It is a
25-pin D-style subminiature receptacle. The port is wired as a data
terminal equipment (DTE) device.
2 5
1 3
2 4
1 2
2 3
1 1
2 2
1 0
DTR 2 1
9
2 0
8
1 9
7
1 8
6
1 7
5
1 6
4
1 5
3
1 4
2
1
Serial port pin assignments: This illustration shows the serial port pin assignments.
25-Pin (Socket) D-Sub
Metal Backshell
Chassis Ground 1
Transmitted Data 2
Received Data 3
Request to Send 4
Clear to Send
5
Data Set Ready 6
Ground 7
Data Terminal Ready 20
Carrier Detect 8
PC
RS-232 null modem cable for PC/XT: This illustration shows the pin assignments for
the RS-232 null modem cable for the PC/XT (P/N 048668).
Note: The metal backshell is connected directly to the shield to achieve
electrostatic discharge (ESD) immunity.
39
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PS
SG
CTS
RTS
RD
TD
GND
3XXXU.063
Shield
3XXXU010.eps
EasyCoder 3400e Bar Code Label Printer User's Manual
25-Pin (Plug) D-Sub
Metal Backshell
1 Chassis Ground
3 Received Data
2 Transmitted Data
Carrier Detect
8
20 Data Terminal Ready
7 Ground
6 Data Set Ready
4
Clear to Send
5
Printer