Ashcroft DM61 User Manual
Page 8
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Serial Communication Adapters
Instruction Manual
8
The cabling used for an RS-422 or RS-485 serial communications
network should always be a high quality cable such as Belden 8162 or
Alpha 6203C. A two-wire system requires two twisted pairs, and a four-
wire system requires three twisted pairs (the extra twisted pair is
needed for the signal ground).
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