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APPENDIX 2 INTERFACE ENGLISH VERSION EO1-33087
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
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):
N
OTE:
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 RTS
5 GND
6 CTS
7 RTS
8 CTS
9 +5V