Merlin U730 Bedienungsanleitung Seite 28

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MERLIN U730 USER GUIDE 28
GU-90023775 Revision 1
4 DETERMINE MERLIN STATES
In This Section
Determine the current state of your UMTS Merlin, by interpreting the cadence (flashing sequence) and
colour of the Light Emitting Diode
The Light Emitting Diode (LED) is a device that lights up when power is applied to it. Interpreting the LED’s
flashing sequence and color, will provide you with the current state of your UMTS Merlin. See Table 1 below.
Cadence
(flashing
sequence)
LED
Display
Merlin State Cause Remedy
(1/4sec) 250ms ON
(1/4sec) 250ms OFF
RED
Merlin trying to read SIM The modem is unable to
read the SIM.
An error has occurred in the
modem firmware.
See
Section 5,
Problem 5
ON (Not flashing)
RED
Merlin Searching for wireless service The Merlin is not receiving a
signal from the wireless
network
See
Section 5,
Problem 6
(1/4sec) 250ms ON
(1 3/4sec) 1750ms
OFF
BLUE
Your Merlin is currently receiving a
UMTS circuit switched (CS) signal
from the network and has registered
on the circuit switched (CS) domain
(1/4sec) 250ms ON
(1/4sec) 250ms OFF
(1/4sec) 250ms ON
(1 3/4sec) 1750ms
OFF
BLUE
Your Merlin is currently receiving a
UMTS packet switched (PS) signal
from the network and has registered
on the packet switched (PS) domain
(also CS i.e PS or PS+CS )
ON (Not flashing) BLUE
Your Merlin is currently PDP context
activated on the UMTS system.
(1/4sec) 250ms ON
(1 3/4sec) 1750ms
OFF
GREEN
Your Merlin is currently receiving a
GSM circuit switched (CS) signal from
the network and has registered on
the GSM circuit switched (CS) domain
(1/4sec) 250ms ON
(1/4sec) 250ms OFF
(1/4sec) 250ms ON
(1 3/4sec) 1750ms
OFF
GREEN
Your Merlin is currently receiving a
GSM/GPRS packet switched (PS)
signal from the network and has
registered on the GSM/GPRS packet
switched (PS) domain. (also CS i.e PS
or CS)
ON (Not flashing) GREEN
Your Merlin is currently PDP (Packet
Data Protocol) context activated on
the GSM/GPRS system
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