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X5668 / X5668U
User’s Guide
1
1
Introduction
Congratulations on becoming the owner of the
X5668 / X5668U
gateway. You will now
be able to access the Internet using your high-speed connection.
The
X5668 / X5668U
is a gateway integrating ADSL2+, 1 USB host port, 4 Ethernet
ports switch and 802.11g wireless interfaces into one device which provides the most
flexibility and efficiency way to you. You could connect devices like PCs, Set-Top-Box,
ATA, servers and so on easily by Ethernet and wireless interfaces to enjoy data, voice,
and video services immediately through high speed connection.
This User Guide will show you how to connect your
X5668 / X5668U
gateway and
how to customize its configuration to get the most out of your new product.
Features
The list below contains the main features of the device (
X5668 / X5668U
) and may be
useful to users with knowledge of networking protocols. The chapters throughout this
guide will provide you with enough information to get the most out of your device.
The features include:
High Speed Asymmetrical Data Transmission on Twisted Copper Pair Wire
USB host port can connect to a printer served as printer server
Service providers can deploy ADSL rapidly over existing wire infrastructure
(POTS or ISDN line)
Compatible and interoperable with most central office site ADSL DSLAM or
Multi-service Access Systems.
Ethernet interface automatic speed-sensing and crossover correction supports
up to 100 Mbps downstream and 100 Mbps upstream rates
Integrated four-port 10/100BaseTX Ethernet switch with speed-sensing and
crossover detection automatically
802.11b/g WLAN supports up to 54 Mbps transmission rate
Provides wireless secure transmitting encryption by either 802.1x; WEP; WEP2;
WPA; WPA2; TKIP; AES
Support Networking protocols such as PPP, Routing, RIP and so on
Support DHCP client and server for IP management
Support Port Forwarding (virtual server) and MAC address filtering
Network address translation (NAT) functions to provide security for your LAN and
multiple PCs surfing Internet simultaneously.
Configuration and management by Web-browser through the Ethernet interface
and remotely through WAN interface
Firmware Supports TR-069
Upgradeable through HTTP (web browser)
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X5668 / X5668U
User’s Guide
2
Device Requirements
In order to use the device, you must have the following:
High speed broadband service
Instructions from your ISP on what type of Internet access you will be using, and
the IP addresses needed to set up access
One or more computers, each containing an Ethernet card (10Base-T/100Base-T
network interface card (NIC)).
For system configuration using the supplied web-based program: a web browser
such as Internet Explorer v4 or later, or Netscape v4 or later. Note that version 4
of each browser is the minimum version requirement – for optimum display
quality, use Internet Explorer v5, or Netscape v6.1
Note
You do not need to use a hub or switch in order to connect more than one
Ethernet PC to the device. Instead, you can connect up to four Ethernet
PCs directly to the device using the ports labeled LAN1 to LAN4 on the
rear panel.
Page 8 / 92
X5668 / X5668U
User’s Guide
3
2
Getting to know the device
Parts Check
In addition to this document, your package should arrive containing the following:
The device (X5668 or X5668U)
Ethernet cable
USB cable
Standard phone line cable
Power adapter
Figure 1: Package Contents
X5668 or X5668U
device
RJ-45 Cable
USB Cable(Optional)
RJ-11 Cable
Power adapter
Page 9 / 92
X5668 / X5668U
User’s Guide
4
X5668 / X5668U Front Panel
The front panel of this device will be described here which cover all front panel
definitions of other models.
Figure 2: Front Panel and LEDs
Connector and LED definitions from left to right:
Label
Color
Function
Power
Green
or
Orange
GREEN off : No power
GREEN on : Power on
Orange on : Self-test fails
WLAN
Green
On : WLAN service is enabled
Off : WLAN service is disabled
Blink : Data being transmitted
Ethernet
Green
On : LAN link established and active
Off : No LAN link
Blink : Data being transmitted
Internet
Green
or
Orange
GREEN off : No connection to Internet
GREEN on : The device gets an IP address
successfully in router mode
GREEN blinking : Data being transmitted.
Orange on : PPP Authenication of the device failed.
Or it can not get an IP address in ROUTER mode.
ADSL
Green
On : Physical layer sync up successfully.
Off : No connection or no signal
Blink : Physical sync up progress
Page 10 / 92
X5668 / X5668U
User’s Guide
5
X5668 Rear Panel
The rear panel of this device will be described here which cover all rear panel
definitions of other models.
Figure 3.1: Rear Panel Connections
Connector definition:
Label
Function
Antenna
Connects to the 802.11b/11g enabled wireless devices in LAN
Power Switch
ON/OFF switch
Power Jack
Connects to the supplied power adapter
LAN1 ~ LAN4
Connects the device via Ethernet to your devices in LAN
Reset
A reset button to reset the device or reset to default settings
There are two ways to reset to default settings:
1.
Press the reset button and turn on the power, then keep
pressing the reset button for 5 seconds.
2.
Press the reset button for 1 second while the router is up
and running.
Then you can reset the modem with the default setting.
DSL Jack
Connects to the ADSL network

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