Operation and Maintenance
LED activation period Description Symbol
Always on Steady red
1s on / 1s off Slowly flashing green
1s on / 1s off Slowly flashing orange
1s on / 1s off Slowly flashing red
0.5s on / 0.5s off Rapidly flashing green
0.5s on / 0.5s off Rapidly flashing orange
0.5s on / 0.5s off Rapidly flashing red
Running orange
6.4.2 Pilot key (CTRL)
Pressing the pilot key carries out certain functions or switches the system to a particular mode.
Figure 72: Pilot key
Different actions are carried out depending on how long the key is pressed and the system’s current
operating mode.
6.4.3 Operating modes
For the SMB Controller we distinguish four operating modes.
Release 7.1
System Manual for Mitel SMB Controller 214