NDR-BA5104,NDR-BA5208,NDR-BA5416
User’s manual ver.1.2
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97
8.4. Connecting the NV-KBD50
To ensure proper communication, DVR menu settings should be identical to keyboard settings.
NV-KBD30 requires to have the N-Control protocol set, which is assigned to number 4.
Note:
Detailed configuration and control information are contained in the NV-
KBD50 user’s guide
.
In DVRs there is only one RS485 interface. In that case you can use only one type of PTZ device (PTZ
cameras or PTZ controller) connected to this port. Connecting it together is strongly not
recommended.
UTP CAT 5 1200m max
1,
5
m
max
RS-485 A+
RS-485 B-
DVR ID 1
NV-KBD50
RS485 (TX-)
PIN 4
RS485(TX+)
PIN 3
PTZ DEVICES OPERATING
RS-485 A+
RS-485 B-
DVR ID 255