COMpact 5000/R - Firmware V6.6A - Installation, Operation and Configuration V05 03/2016
755
Service and Maintenance
Firmware Update
Restoring the Firmware in use Prior to the Firmware Update
2. Click
Restore firmware
under
Restore firmware (reboot)
.
3. Click
Yes
.
The previous firmware is restored. Afterwards a message is displayed.
Restoring Firmware at the Touch of a Button
Requirements:
•
Firmware update, carried out
1. Press the
Reset
button on the CPU module.
2. Within the space of two seconds, push the
Software altern.
button on the CPU
module and hold it.
The
Status
LED (LED at the centre) starts to quickly blink in orange.
After a few seconds, the blinking of the
Status
LED will slow down.
3. Let go of the
Software altern.
button.
The Firmware is restored.
Warning:
Touching voltage-carrying conductors or telephone connections
can cause life-threatening electric shocks.
•
For some installation and maintenance work, it is necessary to open the
PBX while it is in operation (qualified electrician only). Make sure that the
PBX is never left unattended while working with an open casing.
•
Only a qualified electrician may perform installation work within an open
casing or service work using the buttons inside the casing.
Warning:
Power surges, which can occur during electrical storms, can
cause life-threatening electric shocks and damage or destroy the PBX.
•
Do not open the PBX during an electrical storm.