Rs485 model – Solvline PCI User Manual

Page 60

Multi-4/LPCI VA1

-RS485 Model

1. 25Pin Connector (Female)

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.