How to connect the PTZ camera and control joystick with the wireless video transmitter and receiver

1. Most PTZ camera and Control joystick were RS485, our wireless video transmitter, and the receiver does not support connecting directly, you need one RS485 to TTL module.
2. Plugin the RS485 to TTL module (TX on the label) Tx Rx, GND cable on the Wireless Video Transmitter.
3. Plugin the RS485 to TTL module (RX on the label) Tx Rx GND cable on the wireless Video receiver.
4. Please check the connection diagram.