Leds (Lights) - ZyXEL Communications LTE Series User Manual

Figure 7 Bottom Panel (LTE7240-M403)
Figure 8 Bottom Panel (LTE7461-M602 / LTE7480-M804 / LTE7480-S905 / LTE7490-M904)

1.5.1 LEDs (Lights)

None of the LEDs are on if the Zyxel Device is not receiving power.
Table 3 LTE3301-PLUS LED Descriptions
LED
POWER
Internet
LTE/3G
Signal
Strength
Chapter 1 Introduction
COLOR STATUS DESCRIPTION
White On The Zyxel Device is receiving power and ready for use.
Blinking The Zyxel Device is booting or self-testing.
Off The Zyxel Device is not receiving power.
White On There is Internet connection.
Blinking The Zyxel Device is sending or receiving IP traffic.
Off There is no Internet connection.
White On The Zyxel Device is registered and successfully connected to a 4G network.
Blinking The Zyxel Device is connected to a 3G network.
(slow)
Blinking The Zyxel Device is trying to connect to a 3G/4G network.
(fast)
Off There is no service.
Green On The Zyxel Device has an Ethernet connection on the WAN.
Off There is no Ethernet connection on the WAN.
Green On The signal strength is excellent.
Amber On The signal strength is fair.
Red On The signal strength is poor.
Blinking There is no SIM card inserted, no signal, or the signal strength is below the
poor level.
Off The SIM card is invalid, or the PIN code is not correct.
LTE Series User's Guide
LED
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