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Rs-422 (transmitter buffer is always enabled) – StarTech.com CB1S485 User Manual

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Instruction Manual

7

RS-422 (Transmitter buffer is always enabled)

NOTE: CB1S485 supports 4-wire RS-422 mode, which requires cross-over twisted

pair cable.
CB1S485 also provides two handshaking signals, RTS+/RTS- and CTS+/CTS- to perform

hardware flow control, which requires the following wiring scheme:

4-wire Twisted

Pair Cable

CB1S485

RS422

Device