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QMD Install manual D06400210010G PTZ Dome Camera
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8.3
Connect two or more domes to console
As the RS485 supports multi-drop topology, two or more devices can be connected
to one controller as a system. For such application, the rules must be followed:
Connect all speed domes to host in daisy chain pattern as possible as you
can Star type configuration should be avoided to keep system away from
instability.
Each speed dome must have its unique ID so communication data can be
delivered to the correct target device.
Impedance-match setup is also required to keep RS485 communication
quality.
Make wire distribution
Connect the other end of the cable to a phone box with extension outlet of two.
Installer must
pay attention to the pins
of the extension box to ensure the
connection is correct.
To connect more cameras, copy the same procedure on
above. You may continue extending the quantity of
camera to its maximum number of 128 per network, if the
control device has the capability of addressing that many
ID..
Extension box