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How to connect to a SLVD or HPD via rs422 / rs485

The SLVD and HPD use RS485/RS422 communication.

Standard PC's 9pin d-sub com ports are RS232 and newer PCs without 9pin COM ports have USB and USB to RS232 adapters are readily available.

Below is how to connect, using a B&B Electronics'485BAT3 adapter: