RS-485 data cable is used for multipoint communications: more devices may be connected to a single signal cable - similar to e.g. ETHERNET networks, which use coaxial cable. For 485 the cable can be up to 1200 meters long, and commonly available circuits work at 2.5 MB/s transfer rate.
 

EIA Industrial RS-485 Cable
 
 
Pair Number
Part Number
Description
1
60001
  22 AWG Stranded Tinned Copper. 100% Individually foil shield twisted pair.  Overall 100% foil shield. 22 AWG Stranded TC drain wire.
2
60002
3
60003
4
60004
1
60005
  22 AWG Stranded Tinned Copper. 100% Individually foil shield twisted pair.  Overall 100% foil shield + 90% TC Braid. 22 AWG Stranded TC drain wire.
2
60006
3
60007
4
60008
 

 

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