Leds - D-Link DWR-921 User Manual

Section 1 - Product Overview
LED Name
Signal Strength Blinking Red: No SIM card/signal, or unverified PIN code
Status
WAN
LAN 1-4
3G
4G
SMS
WLAN
D-Link DWR-921 User Manual
Hardware Overview

LEDs

WAN LAN1 LAN2 LAN3
Status 3G
Function
Solid Red: Signal strength is at level one (weak)
Solid Amber: Signal strength is at level two or three (medium)
Solid Green: Signal strength is at level four or five (strong)
Blinking Green: Device is powered on and working
Solid Green: Ethernet connection has been established
Blinking Green: Data is being transferred
Solid Green: Ethernet connection has been established
Blinking Green: Data is being transferred
Solid Green: UMTS/HSDPA/HSUPA connection has been established
Blinking Green: Data is being transferred via 3G
Solid Green: LTE connection has been established
Blinking Green: Data is being transferred via 4G
Solid Green: SMS storage is full
Blinking Green: There is an unread SMS message
Solid Green: WLAN is active and available
Blinking Green: Data is being transferred over the WLAN
LAN4
4G SMS WLAN
5