NVC-DN6227SD-II and NVC-DN6237SD-
II User’s manual, ver. 1.0
All rights reserved © AAT Holding sp. z o.o.
14
Selecting protocol parameters
Switches from 1 to 3 select protocol and transmission speed. Please pay attention to setting identical
transmission parameters for controllers (keyboard, DVR, PC). Table below depicts available switch
configurations:
ATTENTION!
Camera has Pelco-D with 2400 bps speed set by default!
Bus termination settings
The device which is connected at the end of the line, whether a camera or a keyboard
controller, must have its DIP switch set as explained below. Without proper termination, control signal
errors may occur. Total length of the cable for communication should not exceed 1.200 m. (CAT5
twisted pair cable).
START-UP AND INITIAL CAMERA CONFIGURATION
Switch no
Protocol and transmission
speed
1
2
3
PELCO-D, 2400 bps
OFF
OFF
OFF
PELCO-D, 9600 bps
ON
OFF
OFF
PELCO-P, 4800 bps
OFF
ON
OFF
PELCO-P, 9600 bps
ON
ON
OFF
N-CONTROL, 9600 bps
OFF
OFF
ON
Termination
Switch no. 4
DISABLED
OFF
ENABLED
ON
