Chapter 2 Hardware Panels
Nebula Mobile Router User’s Guide
27
2.2.2 Nebula LTE7641-M602
Figure 7 Nebula LTE7641-M602 LED
LTE/3G White On The Zyxel Device is registered and successfully connected to a
4G network.
Blinking
(slow)
The Zyxel Device is connected to a 3G network.
Blinking
(fast)
The Zyxel Device is trying to connect to a 3G/4G network.
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.
Signal Strength 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.
WLAN Green On The 2.4G wireless network is activated.
Blinking
(slow)
The Zyxel Device is setting up a WPS connection with a 2.4G
wireless client.
Blinking
(fast)
The Zyxel Device is communicating with 2.4G wireless clients.
White On The 5G wireless network is activated.
Blinking
(slow)
The Zyxel Device is setting up a WPS connection with a 5G
wireless client.
Blinking
(fast)
The Zyxel Device is communicating with 2.4G and 5G wireless
clients.
Off The wireless network is not activated.
USB White 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.
Table 3 Nebula LTE3301-PLUS LED Behavior (continued)
LED COLOR STATUS DESCRIPTION
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