Network Indoor Station Installation Guide
3
Chapter 2 Terminal and Wiring Description
2.1 Terminal Description
There are 20 pins in the terminal on the rear panel of the indoor station: 2 RS-485 pins, 5 reserved
pins, 4 relay output pins, 8 alarm input pins, and 1 GND pin.
Figure 2-1 Terminal Description
2.2 Wiring Description
Wire the devices with power supply cables as picture shown below.
Door station should be connected to CH6 of the video/audio distributor with two-wire cables.
Indoor Station should be connected to any terminal of CH1 to CH5 of the video/audio distributor
with two-wire cables.
Caution
Make sure all the related equipment is power-off during the installation.