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DC-104 HandKey II wiring

For RS-422 wiring:

DC-104 HK-2

set dipswitch to: wire to: pin:

RS-422 TD B(+) -------------------- 16 RT+

Echo OFF TD A(-) -------------------- 15 RT-

4 wire RD B(+) -------------------- 18 TX+

4 wire RD A(-) -------------------- 17 TX-

For RS-485 wiring:

DC-104 HK-2

set dipswitch to: wire to: pin:

RS-485 TD B(+) -------------------- 16 RT+ --|

Echo OFF TD A(-) -------------------- 15 RT- --|--|

2 wire RD B(+) 18 TX+ --| |

2 wire RD A(-) 17 TX- -----|

note: on the HK-2, pins 16 & 18 are jumpered and pins 15 & 17 are jumpered


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