ZyXEL Communications LTE Series User Manual page 26

Table 4 LTE7240-M403 LED Descriptions (continued)
LED COLOR
LTE/3G/2G Green
WLAN Green
Signal Green
Strength
Orange
Red
Note: Blinking (slow) means the LED blinks once per second. Blinking (fast) means the LED
blinks once per 0.2 second.
Table 5 LTE7461-M602 / LTE7480-M804 / LTE7480-S905 / LTE7490-M904 LED Descriptions
COLOR STATUS
Red Blinking
On
Green Blinking
On
Amber Blinking
Table 6 LTE5388-M804 / LTE5398-M904 LED Descriptions
LED COLOR
Power/System or USB Green
Blue
Internet/SMS Green
LTE/3G Signal Strength Green
Orange
Red
Chapter 1 Introduction
STATUS DESCRIPTION
On The Zyxel Device is registered and successfully connected to a 4G network.
Blinking The Zyxel Device is connected to a 3G/2G network.
(slow)
Blinking The Zyxel Device is trying to connect to a 4G/3G/2G network.
(fast)
Off There is no service.
On The wireless network is activated.
Off The wireless network is not activated.
On The signal strength is excellent.
On The signal strength is fair.
On The signal strength is poor.
Blinking There is no SIM card inserted, the SIM card is invalid, the PIN code is not
correct.
Off There is no signal or the signal strength is below the poor level.
DESCRIPTION
The Zyxel Device is booting or self-testing.
The Zyxel Device encountered an error.
The Zyxel Device is trying to connect to the Internet.
The Zyxel Device is connected to the Internet.
The Zyxel Device WiFi is on.
STATUS DESCRIPTION
On The Zyxel Device is receiving power and ready for use.
Blinking The Zyxel Device is booting.
Off The Zyxel Device is not receiving power.
On The Zyxel Device is sending/receiving data to/from the USB
device connected to it.
Off The Zyxel Device does not detect a USB connection through
the USB port.
On There is Internet connection.
Blinking There is a new SMS message.
Off There is no Internet connection.
On The signal strength is excellent.
On The signal strength is fair.
On The signal strength is poor.
Blinking There is no LTE/3G signal or the signal strength is below the poor
level.
LTE Series User's Guide
26