10 DeviceZoneType 
10.25 ExternalChannelType
10.25.2 SwitchOff
Description: Switch method of the external channel for switching off. SwitchedOn shows the actual state of the channel.
Signature
SwitchOff ();
Online versions of OPC UA specifications and information models.
Description: Switch method of the external channel for switching off. SwitchedOn shows the actual state of the channel.
Signature
SwitchOff ();