Communication switch
Switc
h
Description
1
Reserved
2
3
Reserved
4
Line lock
5
System initialisation. Switch 5 is mainly used to
restore the camera's factory defaults.
6
Camera upgrade. Users must reset switch 6 after
firmware upgrades are carried out.
4.4
Cable requirements
For operation, the camera requires a video and cable harness, as described below.
● A cable to provide a 24 Vac power supply to the dome.
● A Cat 5 Ethernet cable.
● Optional audio cables.
● Optional coaxial cable to monitor analogue video.
Important: Make sure that the power supply corresponds with the power requirement of
the dome, or damage will occur. If any mistake happens, contact a qualified technician.
4.5
22-pin cable harness
The 22-pin cable harness of the MSD620
4.6
22-pin connector definition
With the 22-pin connector, installers can simply connect the power and video cables to the
dome at the same time. The alarm pins are serviceable for connecting alarm input and output
devices, such as alarm sensors, sirens, or flashing lights with the surveillance system. For the
definition of each pin, see the table below.
Connect the camera
14