Linksys BEFSRU31 Getting to Know the 4-Port EtherFast Cable/DSL Router, Port Router’s Rear Panel

Instant Broadband™ Series

Getting to Know the 4-Port EtherFast® Cable/DSL Router

The 4-Port Router’s Rear Panel

Your Router’s ports, where network cables are connected, are located on the rear panel of your Router.

The 4-Port Router’s Ports
WAN	The WAN (Wide Area Network) port is where you
	connect your cable or DSL modem.
Ports 1-4	These four LAN (Local Area Network) ports con-
	nect to network devices, such as PCs, print servers,
	and remote hard drives. If Port 1 is being used, the
	Uplink port will not work because these two shared
	ports have internally shared wiring.
Uplink	The Uplink port is used to expand your network by
	connecting to another switch or hub. Uplinking to a
	switch or a hub is done by simply running a cable
	from the Uplink port to the other device. See the
	Uplinking: Connecting More Devices to the
	Router section for more on uplinking.
	If the Uplink port is being used, Port 1 will not
	work.
Power	The Power port is where you will connect the
	power adapter.

EtherFast® Cable/DSL Routers

4-Port Router’s Front Panel LEDs

The LAN Indicators

Power	Green. The Power LED lights up when the Router is powered
	on.
Link/Act	Green. The Link/Act LED serves two purposes. If the LED
	is continuously lit, the Router is successfully connected to a
	device through the corresponding port (1, 2, 3 or 4). If the
	LED is flickering, the Router is actively sending or receiving
	data over that port.
Full/Col	Green. The Full/Col LED also serves two purposes. If this
	LED is lit up continuously, the connection made through the
	corresponding port is running in Full Duplex mode. If the
	LED flickers, the connection is experiencing collisions.
	Infrequent collisions are normal.
	If this LED flickers too often, there may be a problem with
	your connection. See the Troubleshooting section if you
	encounter this problem.

100Orange. The 100 LED lights up when a successful 100 Mbps connection is made through the corresponding port.

If this LED does not light up, then your connection speed is 10 Mbps.

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