DS7306-1 April ’04

©2004 RF Solutions Ltd, www.rfsolutions.co.uk

Page 4

458MHz PZT Telemetry System

X7306

RS485

This connection method provides a simplex RS-485 link.

To ensure correct operation:

• Ensure that the polarities of the controller and camera connections are correct.

• Set the jumpers on the transmitter and receiver PCBs to their RS485 settings.

• For a VCL dome camera, set the VCL jumper. For any other manufacturer’s dome camera, set

the Normal jumper.

• Connect 12 VDC 500mA supplies to the Power Input terminals on both the transmitter and

receiver PCBs.

If correct operation does not occur:

• The Polarities of the controller input and camera output must match. If operation does not occur,

swap either the camera or controller connections over and test again.

The RS485 LED indicator will show: