Brickcom NR-2008, User Manual

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16
NVR
Switch
Signal
Output
G
OUT
DC
DC
Loading
G
OUT
NVR
Switch
Signal
Output
Re
la
y
AC
AC
Loading
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.