DSL-2750E
User Guide
DSL-2750E User Guide
FCC Statement
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
To assure continued compliance, any changes or modifications not expressly
approved by the party responsible for compliance could void the user’s authority
to operate this equipment. (Example- use only shielded interface cables when
connecting to computer or peripheral devices).
FCC Radiation Exposure Statement
This device complies with FCC radiation exposure limits set forth for an
uncontrolled environment and it also complies with Part 15 of the FCC RF Rules.
This equipment must be installed and operated in accordance with provided
instructions and the antenna(s) used for this transmitter must be installed to
provide a separation distance of at least 20 cm from all persons and must not be
co-located or operating in conjunction with any other antenna or transmitter.
End-users and installers must be provide with antenna installation instructions
and consider removing the no-collocation statement.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and
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DSL-2750E User Guide
(2) this device must accept any interference received, including interference that
may cause undesired operation.
Caution!
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user's authority to operate the equipment.
FCC - PART 68
This equipment complies with Part 68 of the FCC rules and the requirements
adopted by the ACTA. On the bottom of this equipment is a label that contains,
among other information, a product identifier in the format
US:3P7DL01B2750EV1. If requested, this number must be provided to the
telephone company.
This equipment uses the following USOC jacks: RJ-45&RJ-11
REN (RINGER EQUIVALENT NUMBERS) STATEMENT Notice: The Ringer
Equivalence Number (REN) assigned to each terminal device provides an
indication of the maximum number of terminals allowed to be connected to a
telephone interface. The termination on an interface may consist of any
combination of devices subject only to the requirement that the sum of the Ringer
Equivalence Numbers of all the devices does not exceed 5.
ATTACHMENT LIMITATIONS STATEMENT
Notice: This equipment meets telecommunications network protective,
operational and safety requirements as prescribed in the appropriate Terminal
Equipment Technical Requirements document(s). This is confirmed by marking
the equipment with the Industry Canada certification number. The Department
does not guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The
equipment must also be installed using an acceptable method of connection. The
customer should be aware that compliance with the above conditions may not
prevent degradation of service in some situations.
Repairs to certified equipment should be coordinated by a representative
designated by the supplier. Any repairs or alterations made by the user to this
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DSL-2750E User Guide
equipment, or equipment malfunctions, may give the telecommunications
company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground
connections of the power utility, telephone lines and internal metallic water pipe
system, if present, are connected together.
This precaution may be particularly important in rural areas. Caution: Users
should not attempt to make such connections themselves, but should contact the
appropriate electric inspection authority, or electrician, as appropriate.
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DSL-2750E User Guide
Contents
1 Safety Precautions ............................................................................................. 1
2 Introduction ........................................................................................................ 1
2.1 LEDs and Interfaces .............................................................................. 2
2.2 System Requirements ........................................................................... 3
2.3 Features ................................................................................................ 4
3 Hardware Connection ........................................................................................ 5
4 Accessing the Device ......................................................................................... 6
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DSL-2750E User Guide
1 Safety Precautions
Take the following instructions to prevent the device from risks and damage
caused by fire or electric power:
Use the label-marked power.
Use the power adapter in the package.
An overburden power outlet or damaged lines and plugs may cause
electric shock or fire accident. Check the power cords regularly. If you find
any damage, replace it at once.
Proper space left for heat dissipation is necessary to avoid overheating.
The holes on the device are designed for heat dissipation to ensure
running normally. Do not cover these heat dissipation holes.
Do not put this device close to a heat source or high temperature place.
Avoid the device direct exposing sunshine.
Do not put this device close to over damp place. Do not spill any fluid on
this device.
Do not connect this device to PC or electronic product, unless our
customer engineer or your broadband provider instructs you to do this,
because any wrong connection may cause power or fire risk.
Do not place this device on an unstable surface or support.
2 Introduction
The DSL-2750E supports multiple line modes. With four 10/100 base-T Ethernet
interfaces at the user end, the device provides high-speed ADSL broadband
connection to the Internet or Intranet for high-end users like net bars and office
users. It provides high performance access to the Internet with a downstream
rate of 24 Mbps and an upstream rate of 1 Mbps. It supports USB storage.
It complies with specifications of IEEE 802.11, 802.11b/g/n, WEP, WPA, and
WPA2 security. The WLAN of the device supports 2T2R.
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DSL-2750E User Guide
2.1 LEDs and Interfaces
Note:
The figures in this document are for reference only.
Front Panel
Figure 1 Front panel
The following table describes the LEDs of the device.
LED Status Description
Off The power is off.
Power
LAN
1/2/3/4
WLAN
On The power is on and the initialization is normal.
Blinking The firmware is upgrading.
Off No LAN link.
Blinking Data is being transmitted through the LAN interface.
On The connection of LAN interface is normal.
Blinking Data is transmitted through the WLAN interface.
On The connection of WLAN interface is normal.
Off The WLAN connection is not established.
WPS
USB
DSL
Blinking WPS negotiation is enabled, waiting for the clients.
Off WPS negotiation is not enabled on the device.
On
Blinking Data is being transmitted.
Off The connection of USB flash disk is not established.
Off Initial self-test is failed.
Blinking The device is detecting itself.
On Initial self-test of the unit has passed and is ready.
Off
The connection of USB flash disk has been
established.
The device is under bridge mode, DSL connection is
not present, or the power is off.
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DSL-2750E User Guide
LED Status Description
Internet Green On The IP is connected and no traffic is detected.
Red On
The device is attempted to become IP connected but
failed.
Rear Panel
Figure 2 Rear panel
The following table describes the interface of the device.
Interface/Button Description
DSL
LAN4/3/2/1
USB USB port, for connecting the USB storage devices.
WPS Press the button for 1 second to enable WPS function.
WIRELESS
ON/OFF
ON/OFF Power on or off the device.
12V DC IN Interface that connects to the power adapter.
Reset (on the
bottom case)
RJ-11 interface that connects to the telephone set through
the telephone cable.
Ethernet RJ-45 interfaces that connect to the Ethernet
interfaces of computers or Ethernet devices.
Press the button to enable WLAN function.
Reset to the factory defaults. Keep the device powered on,
push a paper clip into the hole, press and hold the button
for 10 seconds, and then the system restores the default
settings.
2.2 System Requirements
A 10 baseT/100BaseT Ethernet card is installed on your PC
A hub or switch (attached to several PCs through one of Ethernet
interfaces on the device)
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DSL-2750E User Guide
Operating system: Windows Vista, Window s 7, Windows 8, Windows 2000,
Windows ME or Windows XP
Internet Explorer V5.0 or higher, Netscape V4.0 or higher, or Firefox 1.5 or
higher
2.3 Features
External PPPoE dial-up access
Internal PPPoE and PPPoA dial-up access
Leased line mode
1483B, 1483R, and MER access
Multiple PVCs (eight at most) and these PVCs can be isolated from each
other
A single PVC with multiple sessions
Multiple PVCs with multiple sessions
Binding of ports with PVCs
802.1Q and 802.1P protocol
DHCP server
NAT and NAPT
Static route
Firmware upgrade: Web, TFTP, FTP
Reset to the factory defaults
DNS relay
Virtual server
DMZ
Two-level passwords and user names
Web user interface
Telnet CLI
System status display
PPP session PAP and CHAP
IP filter
IP QoS
Remote access control
Line connection status test
Remote management (telnet and HTTP)
Backup and restoration of configuration file
Ethernet interface supports crossover detection, auto-correction and
polarity correction
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DSL-2750E User Guide
UPnP
Samba for USB storage
3 Hardware Connection
Step 1 Connect the DSL port of the device and the MODEM port of the splitter
with a telephone cable. Connect the phone to the PHONE port of the
splitter through a telephone cable. Connect the incoming line to the
LINE port of the splitter.
The splitter has three ports:
Line: Connect to a wall phone port (RJ-11 jack).
Modem: Connect to the DSL port of the device.
Phone: Connect to a telephone set.
Step 2 Connect a LAN port of the device to the network card of the PC
through an Ethernet cable (MDI/MDIX).
Note:
Use twisted-pair cables to connect the device to a Hub or switch.
Step 3 Plug one end of the power adapter to the wall outlet and the other end
to the power (12V DC IN) port of the device.
Figure 3 displays the application diagram for the connection of the device, PC,
splitter and telephone sets, when no telephone set is placed before the splitter.
Figure 3 Connection diagram
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DSL-2750E User Guide
4 Accessing the Device
The following is the detailed description of accessing the device for the first time.
Step 1 Open the Internet Explorer (IE) browser and enter http://192.168.1.1
Step 2 The Login page shown in the following figure appears. Enter the user
name and password, and then click OK. The user name and password
of the super user are admin and admin respectively.
.
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