APPENDIX 2 INTERFACE ENGLISH VERSION EO1-33097
APPENDIX 2 INTERFACE
EA2-1
APPENDIX 2 INTERFACE
Interface Cables
To prevent radiation and reception of electrical noise, the interface cables must meet the following
requirements:
Fully shielded and fitted with metal or metallized connector housings.
Keep as short as possible.
Should not be bundled tightly with power cords.
Should not be tied to power line conduits.
RS-232C Cable description (only for printers having a serial interface)
The serial data cable used to connect the printer to a host computer should be one of the following two
types (9-pin or 25-pin connector):
NOTE:
Use an RS-232C cable with a connector with inch type securing screws.
Connector to the Host Computer
Function 9 pin 25 pin
RXD 2 3
TXD 3 2
DTR 4 20
GND 5 7
DSR 6 6
RTS 7 4
CTS 8 5
Connector to Printer
Pin No. Function
1 +5V
2 TXD
3 RXD
4 DSR
5 GND
6 RDY
7 N.C.
8 RDY
9 N.C.
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