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DSL-6740U
VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Operation Guidelines
CHAPTER 5.
OPERATION GUIDELINES
Safety Instructions
Place your router on a flat horizontal surface. Make sure that the router is provided with sufficient
ventilation.
To prevent overheating, do not obstruct the ventilation openings of the router.
Plug the router into a surge protector to reduce the risk of damage from power surges and lightning
strikes.
Operate the router only from an electrical outlet with the correct power source as indicated on the
adapter.
Do not open the cover of the router. Otherwise any warranty will be invalidated.
Unplug the equipment before dusting and cleaning. Use a damp cloth to clean the equipment. Do
not use liquid/aerosol cleaners or magnetic/static cleaning devices.
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DSL-6740U
VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Operation Guidelines
Wireless Installation Considerations
The DSL-6740U device lets you access your network using a wireless connection from virtually
anywhere within the operating range of your wireless network. Keep in mind, however, that the
number, thickness and location of walls, ceilings, or other objects that the wireless signals must pass
through, may limit the range. Typical ranges vary depending on the types of materials and
background RF noise in your home or office. To maximize your wireless range, follow the
guidelines below.
1.
Keep the number of walls and ceilings between the DSL-6740U device and other network
devices to a minimum – each wall or ceiling can reduce your wireless network range by 3-
90 feet (1-30 meters).
2.
Be aware of the direct line between network devices. Place your devices so that the signal
travels straight through a wall or ceiling (instead of at an angle) for better reception.
3.
Building materials make a difference. A solid metal door or aluminum studs may have a
negative effect on your wireless range. Try to position your router, access points, and
computers so that the signal passes through drywalls or open doorways. Materials and
objects such as glass, steel, metal, walls with insulation, water (fish tanks), mirrors, file
cabinets, brick, and concrete will degrade your wireless signal.
4.
Keep your router away (at least 3-6 feet or 1-2 meters) from electrical devices or appliances
that generate RF noise.
5.
If you are using 2.4 GHz cordless phones or X-10 equipment (wireless devices such as
ceiling fans, lights, and home security systems), your wireless connection may degrade
dramatically or drop completely. Make sure your 2.4 GHz phone base is as far away from
your wireless devices as possible. Note, that the base transmits a signal even if the phone in
not in use.
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DSL-6740U
VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Operation Guidelines
Creating Two Connections on One Channel
VDSL WAN Connections
In some cases, it is necessary to assign two WAN connections (of the Bridge/Static IP/Dynamic IP
type) to one virtual channel.
For example, your ISP provides the IPTV service. You need to configure a WAN connection of the
Bridge type for the set-top-box connected to the LAN 2 port of the router and a WAN connection of
Dynamic IP type for the computer connected to the LAN 3 port of the router and the laptop
connected to the wireless interface of the router.
To configure the router, follow the steps below:
1.
Go to the
Net / WAN
page and click the
Add
button.
2.
Select the
Bridge
value from the
Connection Type
drop-down list.
3.
Select the
VDSL PTM
value from the
Interface
drop-down list.
4.
In the
VLAN
section, select the
Allow to create several connections assigned to
this port
checkbox.
5.
Click the
Save
button.
6.
Click the
Add
button again.
7.
Select the
Dynamic IP
value from the
Connection Type
drop-down list.
8.
Select the
VDSL PTM
value from the
Interface
drop-down list.
9.
In the
VLAN
section, select the
Allow to create several connections assigned to
this port
checkbox.
10. Click the
Save
button.
Figure 111. Two VDSL WAN connections.
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DSL-6740U
VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Operation Guidelines
11. Go to the
Advanced / Interface grouping
page.
12. Create a group containing the WAN connection of the Bridge type and the LAN 2 port.
13. Create another group containing the WAN connection of the Dynamic IP type, the LAN 3
port, and the wireless interface.
Figure 112. Groups of ports for the created WAN connections.
14. Save the router's settings.
ADSL WAN Connections
In some cases, it is necessary to assign two WAN connections (of the Bridge/Static IP/Dynamic IP
type) to one virtual channel (that is, to specify the same values of the VPI/VCI).
For example, your ISP provides the IPTV service (VPI = 0, VCI = 35). You need to configure a
WAN connection of the Bridge type for the set-top-box connected to the LAN 2 port of the router
and a WAN connection of Dynamic IP type for the computer connected to the LAN 3 port of the
router and the laptop connected to the wireless interface of the router.
To configure the router, follow the steps below:
1.
Go to the
Net / WAN
page and click the
Add
button.
2.
Select the
Bridge
value from the
Connection Type
drop-down list.
3.
Select the
DSL(new)
value from the
Interface
drop-down list.
4.
Fill in the
VPI
and
VCI
fields.
5.
In the
VLAN
section, select the
Allow to create several connections assigned to
this port
checkbox.
6.
Click the
Save
button.
7.
Click the
Add
button again.
8.
Select the
Dynamic IP
value from the
Connection Type
drop-down list.
9.
Select the
atm1(0/35)
value from the
Interface
drop-down list.
10. Click the
Save
button.
Figure 113. Two WAN connections with the same values of the VPI and VCI.
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DSL-6740U
VDSL/Ethernet Router with Wi-Fi
and Built-in Switch
User Manual
Operation Guidelines
11. Go to the
Advanced / Interface grouping
page.
12. Create a group containing the WAN connection of the Bridge type and the LAN 2 port.
13. Create another group containing the WAN connection of the Dynamic IP type, the LAN 3
port, and the wireless interface.
Figure 114. Groups of ports for the created WAN connections.
14. Save the router's settings.
Ethernet WAN Connections
In some cases, it is necessary to assign two WAN connections to one physical interface.
For example, your private Ethernet line is connected to the LAN 3 port of the router. The ISP
provides the IPTV service. You need to configure a WAN connection of the Bridge type for the set-
top-box connected to the LAN 2 port of the router and a WAN connection of Dynamic IP type for
the computer connected to the LAN 4 port of the router and the laptop connected to the wireless
interface of the router.
To configure the router, follow the steps below:
1.
Go to the
Advanced / Interface grouping
page.
2.
Place the mouse pointer on the
LAN 3
port and click the
Make WAN
line in the menu
displayed.
3.
On the opened page, select the
VLAN MUX Mode
value from the
Ethernet WAN type
drop-down list.
4.
Click the
Save
link.
5.
Go to the
Net / WAN
page and click the
Add
button.
6.
Select the
Bridge
value from the
Connection Type
drop-down list.
7.
Select the
LAN 3
value from the
Interface
drop-down list.
8.
In the
VLAN
section, select the
Allow to create several connections assigned to
this port
checkbox.
9.
Click the
Save
button.
10. Click the
Add
button again.
11. Select the
Dynamic IP
value from the
Connection Type
drop-down list.
12. Select the
LAN 3
value from the
Interface
drop-down list.
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