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Optoma hd81 serial cable help!!!!

Discussion in 'Projectors & Screens Forum' started by thecornfords@go, Mar 10, 2011.

  1. thecornfords@go

    thecornfords@go Active Member

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    Hi guys wondered if anyone here knows what wire is not needed on a 9 pin serial cable between the processor and the projector? i've run a cat5e cable which has 8 wires but the serial cable has 9 wires. just wondered if all 9 wires are used by the projector? many thanks, chris.
     
  2. legriffe

    legriffe Active Member

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    I enquired about this not to long ago when i was thinking about buying the HD81LV, spoke to Richard from Optoma re-sales (nice guy) he asked one of his engineers for me and i was told it only used a couple of pin connections.
    Hope this helps.
     
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  3. AussieTech

    AussieTech Standard Member

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    You just need 3x wires for RS-232 (serial).

    Does the processor and the projector both have males 9-pin connectors? If so then you can make up a straight-thru cable.

    Pin 2 = Rx
    Pin 3 = Tx
    Pin 5 = Gnd
     

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