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See details 7.2.5.
The Connection of the P/T/Z
The A, B interface of the PTZ decoder connect with A and B interfaces of the NVR's RS-485. 120Ω resistors should
be paralleled in the remote A, B lines to reduce the distortion of the signal if a larger number of PTZs are connected.
See details 7.2.4.
Keyboard
The A, B interface of the Keyboard connect with A and B interfaces of the NVR's RS-485 .【MAIN MENU】→
【CONFIGURATION】→【P/T/Z】，Protocol choose KEYBORAD. See below.
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