Rs485 model – Solvline PCI User Manual

Page 15

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Multi-1/PCI VA1

- RS485 Model

1. 9 Pin Connector (Male)

2. Mode Change

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

driver. The default mode 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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