APPENDIX 3 INTERFACE |
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:
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Connector to PC |
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| Connector to Printer |
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Pin No. | Signal |
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| Signal |
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1 | N.C. |
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| N.C. |
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2 | RXD |
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| TXD |
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3 | TXD |
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| RXD |
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4 | DTR |
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| 4 |
| DSR |
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5 | GND |
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| 5 |
| SG |
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6 | DSR |
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| DTR |
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7 | RTS |
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| CTS |
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8 | CTS |
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| RTS |
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9 | N.C. |
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| 9 |
| N.C. |
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Housing | Shield |
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| Housing |
| Shield |
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Connector to PC |
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| Connector to Printer |
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Pin No. | Signal |
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| Pin No. |
| Signal |
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1 | Shield |
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| N.C. |
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2 | TXD |
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| TXD |
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3 | RXD |
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| RXD |
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4 | RTS |
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| DSR |
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5 | CTS |
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| 5 |
| SG |
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6 | DSR |
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| DTR |
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7 | GND |
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| 7 |
| CTS |
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20 | DTR |
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| RTS |
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| 9 |
| N.C. |
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NOTE:
Use an