Interface Connector
Serial Interface
Pin No. | Signal name | Direction | Function |
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1 | FG | - | Frame Ground |
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2 | TxD | Output | Transmit Data |
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3 | RxD | Input | Receive Data |
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4 | RTS | Output | Request To Send |
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6 | DSR | Input | Data Set Ready |
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7 | SG | - | Signal Ground |
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20 | DTR | Output | Data Terminal Ready |
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Serial Interface Connection(Example) |
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Host(DTE ex 8251) | Printer | |
TXD | RXD | |
DSR |
| DTR |
RXD |
| TXD |
DTR |
| DSR |
S.G |
| S.G |
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Parallel Interface Connector Pin Assignment
40
