EPX400-A20CU – Manual
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LED DIODES INDICATION
10.
LED diodes (4), mounted directly on printed circuit, are purposed to show current
condition of the device.
10.1.
LOGGING TO LTE/UMTS NETWORK
Once SIM card has been inserted into the device and power supply was turned on
logging to GSM system follows.
Description
LED Diodes
Green
Red
Logging to
LTE/UMTS
10.2.
LTE/UMTS RANGE
Flickering of a green diode indicates LTE/UMTS signal (1-8 flickers).
Device operation mode is signalled with a green diode on during 2 seconds once the
range was detected. If after signalling range diode will not flash for 2 seconds the
device is in SMS mode. Range indication is interrupted during data transmission, and
after sending of data again LTE/UMTS range is being indicated.
Description
LED Diodes
Green
Red
LTE/UMTS range = 8
LTE/HSPA+ mode
LTE/UMTS range = 6
LTE/HSPA+ mode
DTMF ERR OK STATUS
DTMF ERR OK STATUS