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APPENDIX 3 INTERFACE
APPENDIX 3 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:
Connector to PC
Pin No.
Housing
Connector to PC
Pin No.
20
NOTE:
Use an RS-232C cable with inch type securing screws on the connector.
DB-9S
Signal
1
N.C.
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
N.C.
Shield
DB-25S
Signal
1
Shield
2
TXD
3
RXD
4
RTS
5
CTS
6
DSR
7
GND
DTR
DB-9P
Connector to Printer
Pin No.
Signal
1
N.C.
2
TXD
3
RXD
4
DSR
5
SG
6
DTR
7
CTS
8
RTS
9
N.C.
Housing
Shield
DB-9P
Connector to Printer
Pin No.
Signal
1
N.C.
2
TXD
3
RXD
4
DSR
5
SG
6
DTR
7
CTS
8
RTS
9
N.C.
A3-1
EO1-33032
APPENDIX 3 INTERFACE
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