GV57MG User Manual
TRACGV57MGUM001
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IGN (White) is used for ignition detection.
An alternative to connecting to the ignition switch is to find a non-permanent power
source that is only available when the vehicle is running, for example, the power source
for the FM radio.
IGN signal can be configured for the device to start transmitting information to the
backend server when the ignition is on, and enter the power saving mode when the
ignition is off.
3.6 Digital Input
There is one general purpose digital input on GV57MG. It is a negative trigger.
Logical Status
Electrical Characteristics
Active
0V to 0.8V
Inactive
Open
Table 6: Electrical Characteristics of Digital Input
Figure 5.Typical Digital Input Connection
3.7 Digital Output
OUT (Brown) is a digital outputon GV57MG. It is of open drain type and the maximum
drain current is 150mA.
