Enfora GSM2218 ユーザーズマニュアル

 

 

GSM2218PB001MAN - GSM/GPRS MT-GL User Manual 

Page 17 

Copyright 2005, Enfora L.P 

 

•  Device in Low Power Mode when Ignition Turned Off 

o 

Connect the power and ground wires of the MT-GL to the battery.  

o 

Connect the ignition wire of the MT-GL to an auxiliary power source, i.e. ignition. 

o 

Device enters low power mode when ignition line goes low. This feature has to be 
enabled via the software configuration (see AT$PWRSAV command for more 
details). 

o 

Device enters normal power consumption mode when auxiliary power is supplied. 

o 

Device goes through a reset upon ignition on. 

 
 
 

 
The MT-GL has three LED’s on its front panel.  
 
 

PWR: 

Indicates power to the modem. LED is on when power is turned on and the 
modem is operational.  LED is off when power is removed or when the 
modem enters low power mode. 

User LED 1: 

This LED can be configured to display registration, GPS fix status, or other 
user functions. By default, this LED indicates GSM/GPRS registration status. 
LED state of OFF indicates that the device is not attempting to register to the 
network. Blinking LED indicates that the device is trying to connect to the 
network. LED always ON indicates that the device is attached to the network. 

User LED 2: 

This LED can be configured to display registration, GPS fix status, or other 
user functions. By default, this LED indicates GPS fix status. The LED 
remains in OFF state when invalid GPS data is received. The LED remains 
ON when valid GPS data is received.