5D-Link DIR-456U User Manual
Section 1 - Product Overview
LED Name Function
Power On (Green): Orange when booting, then change to solid green
On (Orange): Blinking orange if system fail
WAN Off: without Ethernet cable
On (Green solid): 3G connected dial up success or with Ethernet WAN
On (Orange): 3G Error (PIN code error , SIM fail ) or WAN type fail or system fail error
On (Green blinking) : 3G access enable or Ethernet WAN (backup mode)
3G OFF : WAN disconnect
ON (Orange) : in GPRS/EDGE mode (non3G mode)
ON (Green) : in HSDPA/HSUPA mode (3G mode)
3G Signal
strength
OFF : no signal.
ON (Blinking Orange) : 3G signal is weak
ON (Solid Orange) : Moderate 3G signal
ON (Solid Green) : Strong 3G signal
WLAN On: Wireless on
Off : Wireless off
Blinking: data transmission
Phone On (Green): off hook
Off: on hook
SMS ON (Green): Transmit/receive SMS
WPS (Blue) In Progress: Fast Blinking (Blue)
Success: Blue/On for 300 seconds
Hardware Overview
LEDs
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