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3.2.2 Meaning of the LEDs
The MIM-A01got five LEDs,which display the modemsoperating status. Afterthe power supply
has been switched on, a self test will be executed. The end of this test is indicated by a acoustic
signal (short beep).
Super Modem 56k (MIM-A01) Mounting and Installation
3-8 MITSUBISHI ELECTRIC
COM1
(RS232)
-+
DC 10...30V
Service
Power
Line
Mail in
Mail out ModemMode
SUPER MODEM
56k
COM1
(RS232)
-+
DC 10...30V
Service
Line
Mail in
Mail out ModemMode
SUPER MODEM
56k
COM1
(RS232)
-+
DC 10...30V
Service
Power
Line
Mail in
Mail out Modem Mode
COM1
(RS232)
-+
DC 10...30V
Service
Line
Mail in
Mail out Modem Mode
Fig. 3-7: LEDs on the MIM-A01
LED Status Meaning
Power
(yellow)
Off No power supply, device switched off
On Power supply active, device switched on
Mail in
(red)
Off No received message in memory
On Received message in memory
Line
(green)
Off No telephone connection active
Flashes Telephone connection becomes established
On Telephone connection successfully established
Mail out
(yellow)
Off No outgoing messages in memory
On Outgoing messages in memory
Modem Mode
(red)
Off Device is in Message Mode
On Device is in Modem Mode
Tab. 3-5: Five LEDs are used to show the state of the modem