TP-Link TD-8811B manual Hardware Installation Guide, System requirement, LED explanation

TD-8811/8811B

External ADSL2+ ROUTER

Chapter 2. Hardware Installation Guide

The TD-8811/TD-8811B maintains three separate interfaces, one Ethernet, one USB interface and one ADSL interface. The Router should not be located where it will be exposed to moisture or excessive heat. Place the Router in a location where it can be safely connected to the various devices as well as to a power source.

2.1System requirement

Confirm your computer has been installed with networking interface card (NIC) before connecting ADSL2+ ROUTER to your computer, with the operating system supporting the TCP/IP protocol.

2.2LED explanation

The front panel of ADSL2+ ROUTER includes one power indicator (RED) and five function indicators (GREEN), as explained in chart 1-1:

Indicator	Description	Status	Function Details
Power	Power	On	Power OK
		Off	Power fail
		On	There is data transmitting or receiving on WAN
Act	Data		port
		Off	No data is transmitting or receiving on WAN port
		On	There is a mistake when ADSL is transmitting
Alarm	Mistake		data or receiving data
		Off	ADSL works normally
	ADSL	Slow flash	Self-detecting when power up
ADSL		Quick flash	Connecting to the telecom network
	status
		On	Connection to telecom network is OK
		On	LAN port works normally
LAN	Ethernet	Off	Connection on LAN port is abnormal
		Flash	Data is transmitting or receiving on LAN port
		On	Connection to telecom network is OK
USB	USB status	Off	Connection on USB port is abnormal
		Flash	Data is transmitting or receiving
			Chart 1-1

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