This sections contains a description and a reproduction of all the acoustic signals that are produced on Endian appliances of the 4i series (112, 313, and 515). The signals are the same on all models and are grouped according to the type of event that generate them.
Boot process starts after a reboot: one beep
Boot process is completed successfully: four ascending
tones
System shuts down for poweroff or for reboot: four
descending beeps
Start of installation: 10 short low beeps, 1 long high
beep
Installation successfully completed: three accelerating
alternating sequences
Provisioning OK: rapid 3 sweep beep sequence
Provisioning FAILED: continuous low beep sequence
Link detected: two slow beeps at high pitch
Link lost: one beep, at higher pitch
System is online: one low beep followed by a high one
System is offline: slow high beep, low beep, low beep