Product Appearance; Front Panel - D-Link DWR-921 User Manual

DWR-921 4G LTE Router
User Manual

Product Appearance

Front Panel

LED
SIGNAL STRENGTH
SMS
LAN
POWER
2G/3G
4G
Figure 1. Front panel view.
Mode
LTE WAN connection is on.
Solid green
LTE WAN connection is off.
Solid red
No SIM card or failed to register in a mobile operator's
Blinking red
network.
Searching for a mobile operator's network.
No light
An unread message (or messages).
Solid green
No unread messages.
No light
The cable is connected to a port.
Solid green
Data transfer though one or several LAN ports.
Blinking green
The cable is not connected to a port.
No light
The router is powered on.
Solid green
The router is powered off.
No light
2G/3G network registration is successfully done.
Solid green
Searching for a 2G/3G network.
Blinking green
No registration in a 2G/3G network.
No light
4G network registration is successfully done.
Solid green
Searching for a 4G network.
Blinking green
No registration in a 4G network.
No light
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