18
Settings and Adjustments
Station programming
4
Option Input / Relay Output Settings
Relay Output
■ Option Relay Control Authentication Key
Entry Description Settings Default values
Option Relay Control 
Authentication Key
If "Option Relay Control (administrator 
setting)" is set to "Enable," and "Speed Dials 
/ Favorites" - "TLS" is set to "Enable" on the 
requesting station, configure the key used to 
decrypt encrypted communication.
If this matches the "Option Relay Control 
Key" of the station that performs the 
operation, the output terminal may be 
controlled.
1 - 20 digits -
Note
• Only one Option Relay Control Authentication Key can be set for each station. It will be shared by multiple output stations.
• "Option Relay Control Authentication Key" is shown on the screen as "●●●●●."