Quantum 890 USE 155 Connecting the Serial Cable Wiring Terminals, RS±485 RS±485 / RS±422, ±Wire

Models: 890 USE 155

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Installing the Bridge Hardware

2.6Connecting the Serial Cable (Wiring Terminals)

Figure 10 shows the connection for serial cables at the Bridge's wiring terminals.

Figure 10 Connecting the Serial Cable (Wiring Terminals)

Signal

RxD CTS RTS TxD Ground

Terminating

Resistor

120 Ω 1/8 W

R

R

 

 

RS±232

Signal

 

Signal

Data+ Data± Ground

RxD± RxD+ TxD+TxD± Ground

 

R

R

RS±485

RS±485 / RS±422

2±Wire

4±Wire

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Quantum 890 USE 155 manual Connecting the Serial Cable Wiring Terminals, RS±485 RS±485 / RS±422, ±Wire