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01
Gigabit Load Balance Broadband Router
Introduction
Cha±ter ²
Product Overview
²1²
The Gigabit Load Balance Broadband Router TL-ER5120 providing three adjustable
gigabit ports, which enable the users to configure the amount of WAN ports based
on need and connect multiple Internet lines for bandwidth expansion. The router
possesses excellent data processing capability and multiple powerful functions including
Load Balance, Access Control, Bandwidth Control, Session Limit, IM/P2P Blocking,
PPPoE Server and so on, which consumedly meet the needs of small and medium
enterprise, hotels and communities with volumes of users demanding a efficient and
easy-to-manage network with high security.
A±±earance
²1³
Front Panel
■
The front panel of TL-ER5120 is shown as the following figure.
Front Panel
Figure 1-1
LEDs
LED
Status
Indication
PWR
On
The router is powered on
Off
The router is powered off or power supply is abnormal
SYS
Flashing
The router works properly
On/Off
The router works improperly
Link/Act
On
There is a device linked to the corresponding port
Off
There is no device linked to the corresponding port
Flashing
The corresponding port is transmitting or receiving data
Speed
On (Green±
The port is running at 1000Mbps
On (Yellow±
The port is running at 100Mbps
Off
There is no device linked to the corresponding port or the
port is running at 10Mbps
WAN
On
The port is working in WAN mode
Off
The port is working in LAN mode
DMZ
On
The port is working in DMZ mode
Off
The port is working in LAN mode
Introduction
Page 7 / 28
02
Gigabit Load Balance Broadband Router
Interface Description
Interface
Description
WAN
The WAN port is designed to connect the router to a DSL/Cable modem or
Ethernet by the RJ45 cable
LAN
The LAN port is designed to connect the router to the local PCs or
switches by the RJ45 cable
DMZ
The DMZ port is designed to connect the router to the servers
Console
The Console port is designed to connect with the serial port of a computer
or terminal to monitor and configure the router
Reset
Use the button to restore the router to the factory defaults. With the router powered
on, use a pin to press and hold the Reset button (about 4~5 seconds±. After the
SYS LED goes out, release the Reset button. If the SYS LED is flashing with a high
frequency about two or three seconds, it means the router is restored successfully.
Rear Panel
■
The rear panel of TL-ER5120 is shown as the following figure.
Rear Panel
Figure 1-2
Power Socket
Connect the female connector of the power cord here, and the male connector to
the AC power outlet. Please make sure the voltage of the power supply meets the
requirement of the input voltage (100-240V~ 50/60Hz±.
Grounding Terminal
The router already comes with lightning protection mechanism. You can also ground
the router through the PE (Protecting Earth± cable of AC cord or with Ground Cable.
For detailed information, please refer to
Chapter 3 Lightning Protection
.
Caution:
Please use the provided power cord.
Introduction
Page 8 / 28
03
Gigabit Load Balance Broadband Router
Installation
Cha±ter ³
Package Contents
³1²
Make sure that the package contains the following items. If any of the listed items is
damaged or missing, please contact your distributor.
One Resource CD
One Router
One Power Cord and One
Console Cable
This Installation Guide
Two mounting brackets and
the fittings
Safety Precautions
³1³
To avoid any device damage and bodily injury caused by improper use, please observe
the following rules.
Safety Precautions
■
Keep the power off during the installation.
■
Wear an ESD-preventive wrist strap, and make sure that the wrist strap has a good
■
skin contact and is well grounded.
Use only the power cord provided with the router.
■
Make sure the operating voltage of the power supply is the same one labeled on the
■
router.
Ensure the vent hole is well ventilated and unblocked.
■
Do not open or remove the cover of the router.
■
Before cleaning the device, cut off the power supply. Do not clean it by the waterish
■
cloth, and never use any other liquid cleaning method.
Site Requirements
■
To ensure normal operation and long service life of the device, please install it in an
environment that meets the requirements described in the following subsection.
Temperature/Humidity
:6ȭ
6ȭ
Installation
Page 9 / 28
04
Gigabit Load Balance Broadband Router
Please keep a proper temperature and humidity in the equipment room. Too high/low
humidity may lead to bad insulation, electricity leakage, mechanical property changes
and corrosions. Too high temperature may accelerate aging of the insulation materials
and can thus significantly shorten the service life of the device. For normal temperature
and humidity of the device, please check the following table.
Environment
Temperature
Humidity
Operating
0
℃
~ 40
℃
10% ~ 90%RH Non-condensing
Storage
-40
℃
~ 70
℃
5% ~ 90%RH Non-condensing
Clearness
The dust accumulated on the router can be absorbed by static electricity and result
in poor contact of metal contact points. Some measures have been taken for the
device to prevent static electricity, but too strong static electricity can cause deadly
damage to the electronic elements on the internal circuit board. To avoid the effect of
static electricity on the operation of the router, please attach much importance to the
following items:
Dust the device regularly, and keep the indoor air clean.
■
Keep the device well grounded and ensure static electricity has been transferred.
■
Electromagnetic Interference
Electronic elements including capacitance and inductance on the device can be affected
by external interferences, such as conducted emission by capacitance coupling,
inductance coupling, and impedance coupling. To decrease the interferences, please
make sure to take the following measures:
Use the power supply that can effectively filter interference from the power grid.
■
Keep the device far from high-frequency, strong-current devices, such as radio
■
transmitting station.
Use electromagnetic shielding when necessary.
■
Lightening Protection
Extremely high voltage currents can be produced instantly when lightning occurs and
the air in the electric discharge path can be instantly heated up to 20,000
℃
. As this
instant current is strong enough to damage electronic devices, more effective lightning
Installation
Page 10 / 28
05
Gigabit Load Balance Broadband Router
protection measures should be taken.
Ensure the rack and device are well earthed.
■
Make sure the power socket has a good contact with the ground.
■
Keep a reasonable cabling system and avoid induced lightning.
■
Use the signal SPD (Surge Protective Device± when wiring outdoor.
■
Note:
For detailed lightning protection measures, please refer to
Chapter 3
Lightning Protection
.
Installation Site
74;S
When installing the device on a rack or a flat workbench, please note the following
items:
The rack or workbench is flat and stable, and sturdy enough to support the weight of
■
5.5kg at least.
The rack or workbench has a good ventilation system. The equipment room is well
■
ventilated.
The rack is well grounded. Keep the power socket less than 1.5 meters away from the
■
device.
Installation Tools
³12
Phillips screwdriver
■
ESD-preventive wrist wrap
■
Cables
■
Note:
These tools are not provided with our product. If needed, please self purchase
them.
Product Installation
³1´
Desktop Installation
■
To install the device on the desktop, please follow the steps:
Set the device on a flat surface strong enough to support the entire weight of the
1.
device with all fittings.
Remove the adhesive backing papers from the rubber feet.
2.
Turnover the device and attach the supplied rubber feet to the recessed areas on
3.
the bottom at each corner of the device.
Installation

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