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LEDs
Blink - Device booting
On - Power On
Green
Off - Power Off or USB interface no connection
Power/USB
Blue
On - USB negotiation or traffic transmission
Blink - New SMS message
Green
On - Internet connected
Internet/SMS
Off - Internet is unavaliable
Green
On - Good (4G/3G)
Amber
On - Fair (4G/3G)
Signal
Red
On - Low (4G/3G)
Strength
Blink- No 4G/3G signal
Fast Blink - WLAN data TX/RX
Slow Blink - WPS process in progress
Green
WiFi/WPS
On - WLAN interface is enabled
Off - WLAN/WPS interface is disabled
On - A telephone connected to the PHONE
Green
Off - A telephone connected to the PHONE
Voice
Blink - Incoming call
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port is off the hook.
port is on the hook.
Troubleshooting
Power and Hardware Connections
- Make sure SIM card is correctly installed in Zyxel Device.
- Make sure the power adapter is connected correctly.
Zyxel Device Access and Login
- Make sure you are using the correct IP address.
• The default IP address is 192.168.1.1.
• If you changed the IP address and have forgotten it, reset the
device to factory defaults by pressing RESET button for more than
5 seconds.
- Make sure your Internet browser does not block pop-up windows
and has JavaScript enabled.
- Make sure you enter the username and password correctly.
Default password is 1234. If this does not work, reset device to its
factory defaults by pressing RESET button for more than 5
seconds.
Internet Access
- Make sure you insert an LTE SIM card into the card slot before
turning on the Zyxel Device.
- Log into the web configurator (admin, 1234 are the default
username and password).
Click Setup Wizard, then check the setting in Step 2 WiFi Setup.
- Make sure LTE SIM card's account is valid and has an active
data plan.
- When using a pre-paid SIM card, insert SIM card on another LTE
device to check if SIM card still works. If SIM card works on another
LTE device, contact the vendor. If SIM card does not work, contact
your service provider.
WiFi Connections
- Make sure WiFi is enabled on the Zyxel Device.
- Make sure wireless adapter (installed on your computer) works.
3G/LTE Connections
- Make sure SIM card's account is valid and has an active data
plan.
- Install 3G/LTE external antennas to strengthen cellular signal.
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