Mitsubishi Electric MAM-GM6 Instruction Manual page 27

Mam series alarm modems
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Operation
6
Operation
Once all installation steps have been completed, you can start operating the Mitsubishi Alarm
Modem.
Self-test after power up
The Mitsubishi Alarm Modem carries out an extensive self-test after the power supply is
switched on. All the LEDs will switch on for test purposes and all three types of memory are
checked. The memory test is also carried out automatically with every power up.
Memory test
This tests the internal memory with RAM, program memory (Flash ROM) and the file system
in the user memory (Flash). On basic models (2 MB for the user memory) this test lasts approx.
12 seconds. If memory expansions have been fitted, the time can be considerably longer
depending on the size of memory in use.
Fig. 6-1:
Power
(yellow)
Tab. 6-1:
Mitsubishi Alarm Modem
Power
Process
LEDs on modem
Process
Line
(red)
(green)
LEDs during the self-test
Service
Power
DC 10...30V
-
+
Line Data out
Data Out
Modem Mode
(yellow)
(red)
flashes
Antenna
Process
Line Data out
Modem Mode
SIM-Card
Push
COM2 (RS232)
COM1 (RS232)
Modem Mode
Starting Self-test
Testing LEDs
Testing memory
Modem is fully operational
Duration: approx. 12 sec
6 - 1

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