VML750 — LTE Vehicular Subscriber Modem (VSM) Installation Guide
LED Indicators Functions
LED Indicators Functions
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describes the functions of the LED indicators on the VML750 front panel.
Table 3-2
LED Indicators Functions
LED Name:
Power
LAN
WWAN1
(Does not
apply for
B20 LTE only
configuration)
WWAN2
WiFi
GPS
LED Status
OFF
Power off
No link
Off
Off
Off
Off
Solid Green
Power on
Link is on
Connected
Connected
Available (for
AP)
Connected (for
client)
Tracking
Blinking
Green
Powering up
TX/RX
Activity
Connecting/
Registering
Connecting/
Registering
TX/RX
Activity (for
AP)
Scanning (for
client)
__
Solid Orange
__
__
__
__
__
__
Blinking
Orange
No Ignition
The user turns
the power On
(power button
pressed) but
ignition is off
__
Searching for
signal
Searching for
signal
__
Searching for
signal
Solid Red
__
__
Problem/
Overheat
Problem/
Overheat
Problem/
Overheat
Problem
Blinking Red
Standby
External power
is connected to
the system
__
SIM card is not
installed in the
modem
SIM card is not
installed in the
modem
__
__
Rapid
Blinking Red
Problem
__
SIM door is open
SIM door is open
__
__
6802988C54-B
July 2014
3-5
Summary of Contents for VML750
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