User guide

LEDS, CONNECTORS, AND SPECIFICATIONS
LED Description
OFF indicates device is OFF indicates device is turned Flashing at 75 ms on/ 75 ms off/75
turned off or not powered. off or in download mode. ms on/3 sec off indicates one or more
GPRS contexts activated.
Flashing at 500 ms on/ 25 ms off
indicates packet switched data
transfer in progress.
OFF indicates ME is in one of the
following modes: power down mode,
airplane mode, non-cyclic sleep mode
with no temporary wake-up event in
progress.
TR Terminal Ready: Indicates a readiness signal from the PC.
PWR/GPS Power: Lights device has DC power.
GPS: If device has valid GPS signal, LED blinks at 1 second ON and 0.5 second OFF. If invalid GPS
signal, LED is solid.
Signal ■ ALL OFF – Unit is off, not registered on a network or has an extremely weak signal (0 < =
RSSI < 6).
■ 1 Bar ON – Very weak signal (7 < = RSSI < 14)
■ 1 and 2 Bars ON – Weak signal (15 < = RSSI < 23)
■ 1, 2, and 3 Bars ON – Good signal (24 < = RSSI < 31)
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iCell MTCMR User Guide