...without using cables. • Modbus or Profibus • Certain equipment is able to deal with protocols like Modbus or Profibus which are based on standard interfaces like RS485. In special RS485 splits up into Half- and Fullduplex, Point to Point a...

...that match your cables and equipment, the correct pinning, and the number of switch positions you need. • Remember that an ABC switch has just two positions, not three.) You can mix several types of switches in the same chassis. • Step 2: • ...

...and length of the cable used on both the RS-232 and the RS-422/485 side can affect how power is dissipated. Because lower-quality and higher-gauge cable can cause power loss, a good-quality 24 AWG cable is recommended. Also RS-232 runs longer ...