HIKVISION DS-2TD4166-25/V2, Quick Start Manual, Page: 12 / 31

Thermal Network Speed Dome Quick Start Guide
6

This table is for reference only, and the actual detection range may vary according to
different camera settings, mounting condition, monitor and so on.

When the weather is fine and the atmospheric visibility is normal, the probability of
detecting/recognizing/identifying target is 50%.

The human width is presumed as 0.5m (human width cannot exceed 0.75m), the
human height is presumed as 1.8m, and the vehicle width cannot exceed 2.3m.
3.2
Wiring
Please fully take into consideration the installation environment and position of the
speed dome when you plan for the wiring. In order to make sure the stable power
supply and signal transmission, please closely follow the rules below:

Please get familiar with the installation environment before you wiring, including the
wiring distance, wiring environment, keeping magnetic-field interference away, etc.

Please make sure the rated voltage of the cable is higher than that the device
requires, thus guarantee the device can work normally when the voltage instability
occurs.

Please avoid the interrupt line connection

It’s recommended to use a single complete cable for the device connection; if not,
reinforce and protective measures should be taken for the wiring point between two
cables, in case the circuit aging will make the device work abnormally.

Make sure the video cable and the signal transmission cable are well protected. And
pay attention to reinforce and protective measures during wiring.

Make sure the cables are not too redundant or being stretched too tight.
Under normal circumstances, the wiring is completed by the professional technicians.
However, when the device cannot work normally, you can check the above information
to look for reason.