ZyXEL Communications LTE Series User Manual page 25

Table 3 LTE3301-PLUS LED Descriptions (continued)
LED COLOR
LTE/3G White
Green
Signal Green
Strength
Amber
Red
WLAN Green
White
USB White
Note: Blinking (slow) means the LED blinks once per second. Blinking (fast) means the LED
blinks once per 0.5 second.
Table 4 LTE7240-M403 LED Descriptions
LED COLOR
POWER Green
ETHERNET Green
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 network.
(slow)
Blinking The Zyxel Device is trying to connect to a 3G/4G network.
(fast)
Off There is no service.
On The Zyxel Device has an Ethernet connection on the WAN.
Off There is no Ethernet connection on the WAN.
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, no signal, or the signal strength is below the
poor level.
Off The SIM card is invalid, or the PIN code is not correct.
On The 2.4 GHz wireless network is activated.
Blinking The Zyxel Device is setting up a WPS connection with a 2.4 GHz wireless
(slow) client.
Blinking The Zyxel Device is communicating with 2.4 GHz wireless clients.
(fast)
On The 5 GHz wireless network is activated.
Blinking The Zyxel Device is setting up a WPS connection with a 5 GHz wireless client.
(slow)
Blinking The Zyxel Device is communicating with 2.4 GHz and 5 GHz wireless clients.
(fast)
Off The wireless network is not activated.
On The Zyxel Device recognizes a USB connection through the USB port.
Blinking 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.
STATUS DESCRIPTION
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.
On The Zyxel Device has a successful 10/100/1000 Mbps Ethernet connection
with a device on the Local Area Network (LAN).
Off The Zyxel Device does not have an Ethernet connection with the LAN.
LTE Series User's Guide
25