P rin t e r I n t e rf ac e I n f o rmat io n | HP De s k Writ e r P rin t e rs |
RS-422 Interface Connector (8-pin Mini-DIN)
TxD+
RxD+
TxD-
RxD-
Ground
HSKo or DTR1
RS-422 Interface Port (AppleTalk)
Pin Number | Interface Pin Name | Interface Pine Description |
1 | DTR | Data Terminal Ready Output Handshake |
2 | NC | No Connection in Printer |
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| (Do not connect to ground or any other pin) |
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3 | TxD- | Transmit Data Line |
4 | Ground | Shield Ground |
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5 | RxD- | Receive Data Line |
6 | TxD+ | Transmit Data Line |
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7 | NC | No Connection |
8 | RxD+ | Receive Data Line |
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Note HP DeskWriter printer interface ports conform to
