MITSUBISHI ELECTRIC MITSUBISHI MAM MAM-AM24 - Manual (Page 40)

LEDs during factory reset and restart
10.2.4 Firmware-Update
A new firmware can be loaded onto the Mitsubishi Alarm Modem using an upload tool. In this
case the LEDs of the Mitsubishi Alarm Modem will light up as follows:
The duration of a firmware update may vary according to the operating system and the speed of
the serial PC interface (the values shown in the table were achieved at 115.200 baud).
LEDs, Reset, Update, Error Diagnostics Appendix
10 - 5 MITSUBISHI ELECTRIC
Power
(yellow)
Process
(red)
Line
(green)
Data Out
(yellow)
Modem Mode
(red)
Duration
MAM is operational.
flashes
Start of update 2s
MAM waiting for com-
mands.
flashes flashes
After start of update:
Transfer of firmware
ca. 250 s
flashes
Possibly during the
update: Processing of
transferred firmware in
MAM
Test of all LEDs
flashes
Memory test, formatting
data memory (complete
deletion).
25 s
MAM is operational.
Total duration
approx.
4 min 40 s
Tab. 10-10: LEDs during Firmware-Update
Power
(yellow)
Process
(red)
Line
(green)
Data Out
(yellow)
Modem Mode
(red)
Duration
flashes
Service button pressed upon
power-on
1–2 s
flashes
rapidly
Service button pressed again,
until Power LED flashes so-
mewhat faster
1–2 s
Test of all LEDs
flashes
Memory test, formatting data
memory (complete deletion)
25 s
MAM is operational
Total duration
approx.
30 s
Tab. 10-11: LEDs during Factory Reset and restart