
Contents
Product Overview
SE4008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Setting Up: Basics
Install Your Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Specifications
Linksys SE4008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
WRT PORT GIGABIT SWITCH | Contents

Product Overview
SE
Front View
ETHERNET
Primary Indiators
ETHERNET
Secondary Indiators
LEDS
The system LED is solid when the switch is powered on.
Ethernet 1 thru 8 (Primary)
Numbered LEDs correspond to the numbered ports on the switch’s
back panel. If the LED is solid, a device is connected to that port. A
flashing LED indicates network activity over that port.
Ethernet 1 thru 8 (Secondary)
If the LED is not on, a device is connected to that port at 10/100 Mbps.
A solid LED indicates that a device is successfully connected to that
port at 1000 Mbps )Gigabit Ethernet(.
PORTS
Ethernet
Connect Ethernet cables to Gigabit 10/100/1000 ports to add wired
devices to your network.
Power
Connect the included AC power adapter.
BUTTONS
Back View
LED Button
Power Switch (European model)
Toggle to power on/off the switch.
LED On/Off Button
Press to enable/disable the Ethernet primary and secondary LEDs.
Ethernet Ports
Power Port
WRT PORT GIGABIT SWITCH | Product Overview 1
Power Switch

Setting Up: Basics
INSTALL YOUR SWITCH
1. Connect the power adapter to your switch and an electrical
outlet. Toggle the power switch to the | )On( position )Europe only(.
2. Connect your router to any port on the switch with an Ethernet
cable.
3. Connect your wired devices to the switch with Ethernet cables.
You may use any of the remaining seven Ethernet ports.
Get help Internet: linksys.com/support or Twitter: @LinksysCares
WRT PORT GIGABIT SWITCH | Setting Up: Basics 2

Specifications
Linksys SE4008
Model Name Linksys SE4008
Description WRT 8-Port Gigabit Switch
Standards IEEE802.3, 802.3u, 802.3x, 802.3ab, 802.3az
Ports 8 RJ-45 10/100/1000 Mbps ports
Cabling Type Cat5 or better Ethernet cable
LEDs System LED: 1
Link/Activity LED: 8
Speed LED: 8
Dimensions 246 x 194 x 62 mm )WxDxH(
Unit Weight 602 g
Power 12V, 1A
Certification FCC Class B, IC, CE
Operating Temperature 32 to 104ºF)0 to 40ºC(
Storage Temperature -4 to 158ºF)-20 to 70ºC(
Operating Humidity 10 to 90%, non-condensing
Storage Humidity 5 to 90%, non-condensing
WRT PORT GIGABIT SWITCH | Specifications 3

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