© Microhard Systems Inc. 25
3.0 Hardware Features
3.1.3 Indicators
CPU (Blue)
ON indicates the CPU is running.
POWER (Red)
Illuminates when power is correctly applied to the unit.
RSSI (3 LEDs)
Indicate the received signal strength of the signal to the Cellular carrier. The number of LED’s illuminated
indicate the strength of the signal, with all 3 being illuminated representing a strong signal.
RF-ACT
The RF Activity LED illuminates when there is activity on the WiFi wireless interface.
GPS
Indicates that the GPS module is powered on and ready.
CELL_ACT
The CELL Activity LED illuminates when there is cellular activity.
Drawing 3-6: VIP4G Indicators
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