_____________________________________________________________________________________________________________________________________________________________
NetDVR User Manual
88 / 97
2.
Wire Ports
2.1
Back panel interface
Item
Name
Descriptions
①
PTZ-CON
Master keyboard RS485 port. Ta=RS485+, Tb=RS485-. When there is only one keyboard in use, it must be used as master
keyboard.
②
PTZ-AUX
Slave keyboard connection port.
Ra
(pin8) connects to salve keyboard
Ta
(pin10).
Rb
(pin7) connects to slave keyboard
Tb
(pin9).
③
Ground
Ground terminal
④
DVR-AUX
Slave keyboard NetDVR connection port.
Ra
(pin4) connects to
Ta
(pin2)
of
salve keyboard.
Rb
(pin3) connects to
Tb
(pin1) of
slave keyboard.
⑤
DVR-CON
Master keyboard NetDVR connection port.
Ta
(pin2) connects to
D+
of
NetDVR
KB
port.
Tb
(pin1) connects to
D-
of
NetDVR
KB
port. When there is only one keyboard in use, it must be used as master keyboard.
⑥
PTZ
PTZ work status indicator (Green=on).
⑦
DVR
DVR work status indicator (Green=on).
⑧
PW
Power indicator (Red=on).
⑨
DC-12V
DC
12V
power input
