The connection of the device to the communication with PC is realized by a shielded communication cable with twisted pairs. The cable parallelly connects the devices from one to another and other end of the cable leads to the PC. The total number of devices that could be connected is 32, and the maximum cable length is up to 1000 m.
A network cable is used to connect the computer to the network. It is a standard S/FTP cable with 4 pairs and a screen is mandatory. If the cable goes outside, then it should be intended for outdoor use (with reinforced insulation). If it is installed through the interior of the room, then a standard cable can be used. When installing outdoors, be sure to use all possible covered surfaces as a space for cable routing and avoid air (overhead) lines as much as possible. The cable should route from the PC to one device, then from that device to another, then continue from that device to the next and so on to the last one. There should be 120 ohm terminator resistor on the last device.
A standard color scheme has been established for communication purposes.
A - blue
B - blue-white
C - orange and orange-white