Connecting To The I/O Combo Cable - Sony SNC-WL862 Installation Manual

Connecting to the I/O combo cable

Dry contact with external DC power source to supply a relay. Dry contact is the safest connection to protect
devices.
Dry contact
Wet contact
Switch
Photo
Coupler
DC
0V
NO NC
Relay
Switch
NO NC
Relay
11
External DC power
External AC Power
with Protected Earth
DC 0V
External Device
DC 0V
External DC power
External AC Power
with Protected Earth
External Device