BRAND : OPTO MODEL : AC28 DESCRIPTION : The AC28 adapter card links Opto 22 I/O to a computer for PC-based control using the Pamux protocol. This card is compatible with the ISA bus and therefore is not recommended for new development. It has been replaced by the PCI-AC51 adapter card, which is compatible with the PCI bus. The AC28 is compatible with the following brains (I/O processors): B4 (G4 or Quad Pak digital I/O) B5 (G4, G1, Quad Pak, or integral digital I/O B6 (G1 analog I/O SPECIFICATION : Power requirements : 5 VDC ±0.1 V @ 1.5 A Operating temperature : 0 °C to 60 °C Relative humidity : 0% to 95%, non-condensing Connectors : 50-pin male header connector Range : Up to 500 feet total length Weight : 98.0G CONDITION : USED QUANTITY : 1 PCS