Rs485 model – Solvline PCI User Manual

Page 88

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Multi-4J/PCI VA1

- RS485 Model

1. RJ45 Jack & 25 Pin Connector (Male, Extension Cable)

2. Mode Change

Select between non-echo mode and echo mode during the installation of the device

driver. The default is non-echo mode.

3. Connection

RT: 120 Ohm(If there is no serious noise, termination resistors are not required)

RS485, like LAN, adopts a half duplex bus where the host is not divided from

terminals.

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