The pigtails of analog speed dome (take speed dome for short in next contents) is
shown in Figure 1-1, it includes three kinds of cables: coaxial cable, power cable and
485 cable (for ptz control).
Connect power cable of speed dome and relative power adapter, as shown in
Note: Red cable is positive cable and black is negative one in the pigtail of speed dome
power cable, yellow one represents ground(no need to connect), power cable of speed
dome is self-adaptive, so you don't need to concern the connect order