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ARCNet & RS485

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remp

Mechanical
Joined
Sep 15, 2003
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224
Location
US
Can some body explain to me the meanining of the following experssions ARCNet and RS 485. A consultant recently specified the following;

- Backbone running at 2.5Mbs using ARCNET communication?
- A local Area Network utilising RS485.?

I think I know the meaning of LON and BACNet and Modbus...they are BMS languages/protocols. Siemen and Honeywell have their own.

Where does Ethernet come into all this?

A brief explanination to broaden my basic knowledge would be appreciated or any suggested web link.

 
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