TP-Link TD-8841 Chapter 2.Hardware Installation Guide, 2.1 System requirement, 2.2 LED explanation, 2.3 Rear-panel

TD-8841External ADSL2+ Router User Guide

Chapter 2.Hardware Installation Guide

The TD-8841 maintains six separate interfaces, including four Ethernet interfaces, 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.

2.1 System 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.

2.2 LED explanation

The front panel of ADSL2+ Router includes one power indicator (RED) and eight function indicators (GREEN), as explained in following chart:

Name	Status	Indication
PWR	On	Power OK
	Off	Power fail
	Slow flash	Self-detecting when power on
ADSL	Quick flash	The LINE port is connecting to ISP’s network
	On	The LINE port has connected to ISP’s network
	Off	The LINE port has no connection
ALARM	On	There is mistake when ADSL transmitting or receiving data
	Off	ADSL normal
ACT	On	There is data transmitting or receiving on WAN port
	Off	No data is being transmitted or received on WAN port
	On	Connection to telecom network is OK
USB	Off	Connection on USB port is abnormal
	Flash	Data is being transmitted or received
	On	LAN port is normal
LAN(1~4)	Off	Connection on LAN port is abnormal
	Flash	Data is being transmitted or received on LAN port

2.3 Rear-panel

¾ON/OFF: Turn on/off the ADSL2+ Router’s power.

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