Siemens Gigaset-SE572 Router Manual PDF (Setup & Configuration Guide)

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121

Appendix

Configuring the popup blocker

You must allow popups for the configuration program in order to start it.

u

Internet Explorer

If working with Windows XP Service Pack 2, popups are blocked by default. Carry out the

following steps:

ì

Right-click on the browser information bar.

ì

Select

Allow popups from this screen

.

ì

Confirm the dialogue window by clicking

OK

.

The configuration screens for the Gigaset SE551 WLAN dsl/cable are now allowed as

popups.

You can make additional settings for popups within Internet Explorer via the

Tools –

Popup Manager

menu item or via

Tools – Internet Options

on the

Privacy

tab.

u

Mozilla Firefox

Popups are blocked by default. Carry out the following steps:

ì

Open Mozilla Firefox. Click

Tools

and then

Settings

.

ì

In the

Settings

window, click the

Web features

tab.

ì

In the

Web Features

window, deactivate the

Block Popup window

.

ì

Click

OK

to finish.

Please note:

Should you use a different popup blocker, you must configure this accordingly.

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122

Appendix

Trouble shooting

This section describes common problems and their solution. The Gigaset SE551 WLAN

dsl/cable is easy to monitor thanks to its LED displays. Problems can be quickly identi-

fied. If you cannot solve the connection problem after checking the LED displays, please

consult the other sections of the following table.

Symptom

Possible cause and solutions

Power lamp does not light

up.

No power supply.

ì

Check whether the mains adapter is connected to

the Gigaset SE551 WLAN dsl/cable and a power

outlet.

ì

Check whether the device is switched on.

ì

Check whether the power outlet and the mains

adapter are working properly. If the mains adapter

is not working properly, please get in touch with

our customer service unit (see page 127).

The LAN LED on a connected

device does not light up.

No LAN connection

ì

Make sure that the connected device is switched

on.

ì

Check whether the Ethernet cable is plugged in.

ì

Check that you are using the right cable type

(CAT5) and that the cable is not too long (100 m).

ì

Check that the network card on the connected

device and the cables are not defective. If neces-

sary, replace a defective network card or cable.

ì

Use the Windows device manager (

My Computer

–

Properties

) to check whether the network card is

functioning. If you see a red cross or a question

mark, then the driver may not have been installed

or there is a resource conflict. Follow the Windows

instructions to remedy the problem.

The LAN LED does not light

up after synchronisation.

ì

Check the cable. Check that the cable is correctly

connected to the DSL or cable modem. Check that

the DSL modem is connected to the splitter.

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123

Appendix

You cannot connect to the

Internet.

ì

Check whether the option

Connect on demand

is

deactivated. In this case, connections cannot be

opened automatically.

ì

Select

Connect on demand

. Remember that this

setting may lead to higher costs if you are billed on

the time used.

ì

The connection may have been terminated manu-

ally with the

Connect on demand

option selected.

–

Open the connection manually using the

Connect

button again or

–

restart the Gigaset SE551 WLAN dsl/cable.

In both cases, the

Connect on demand

setting will

be active again.

ì

Check whether you have exceeded the

Time and

Volume Contingent

for your Internet use.

You cannot open a connec-

tion from a wireless device

to the Gigaset SE551 WLAN

dsl/cable.

The wireless network adapter is not using the correct

SSID.

ì

Change the SSID on the network adapter.

Either encryption is enabled on the Gigaset SE551

WLAN dsl/cable but not on the wireless network

adapter, or it is not using the correct key or is using

another type of encryption.

ì

Activate the same encryption on the network

adapter with the correct key.

If you do not know the key, you will have to reset

the Gigaset SE551 WLAN dsl/cable (see page 18).

Warning

: Please bear in mind that this will restore

all

the configuration settings to the factory set-

tings.

Symptom

Possible cause and solutions

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124

Appendix

The Gigaset SE551 WLAN

dsl/cable or other PCs can-

not be reached by a PC in the

connected LAN with a

ping

command.

ì

Make sure that TCP/IP has been installed and con-

figured on all the PCs on the local network.

ì

Check that the IP addresses have been properly

configured. In most cases you can use the

Gigaset SE551 WLAN dsl/cable's DHCP function to

assign dynamic addresses to the PCs in the LAN. In

this case, you have to configure the TCP/IP settings

of all the PCs so that they obtain the IP address

automatically.

If you configure the IP addresses in the LAN

manually, remember to use the subnet mask

255.255.255.x. This means that the first three

parts of the IP address on each PC and the

Gigaset SE551 WLAN dsl/cable have to be identical.

The device also has to be configured as DNS server.

No connection to the

Gigaset SE551 WLAN dsl/

cable's configuration envi-

ronment.

ì

Use the

ping

command to check whether you can

establish a network connection to the Gigaset

SE551 WLAN dsl/cable.

ì

Check the network cable between the PC you

want to use to administer the device and the

Gigaset SE551 WLAN dsl/cable.

ì

If the PC you want to use is on the device's local

network, make sure that you are using the correct

IP address administration (see above).

ì

If the PC you want to use is not on the router's local

network it must be authorised via Remote Manage-

ment.

Password forgotten or lost

ì

Reset the Gigaset SE551 WLAN dsl/cable

(see page 18).

Warning

: Please bear in mind that this will restore

all

the configuration settings to the factory settings.

You cannot access a

resource (drive or printer)

on a different PC.

ì

Make sure that TCP/IP has been installed and con-

figured on all the PCs on the local network and that

the PCs all belong to the same workgroup.

ì

Check whether the resource has been released on

the PC in question and whether you have the nec-

essary access rights.

ì

Printing: check whether the printer has been set up

as a network printer.

Symptom

Possible cause and solutions

Page 125 / 148

125

Appendix

Specifications

Interfaces

1 modem

RJ45, 10Base-T/100Base-TX, Autosensing, MDI/MDIX

4 LAN

RJ45, 10Base-T/100Base-TX, Autosensing, MDI/MDIX

1 USB

USB 2.0, for printer server or file server

WLAN

802.11g, for the wireless connection of up to 252 PCs

Wireless properties

Frequency range

2,400 to 2,484 GHz ISM band

Spreading

Direct Sequence Spread Spectrum (DSSS)

Modulation

CCK, OFDM

Number of channels

IEEE 802.11b: 13 (Europe, ETSI)

IEEE 802.11g: 13 (Europe, ETSI)

Transmission rate

IEEE 802.11b: 1, 2, 5.5, 11 Mbps

IEEE 802.11g: 12, 18, 24, 36, 48, 54 Mbps

Super G: 72, 96, 108 Mbps

XR: 0.25, 0.5, 1 Mbps

Operating environment

Temperature

Operating temperature 0 to 40 °C

Storage temperature -10 to 70 °C

Humidity

5% to 80% (non condensing)

LED displays (green)

Power

Online (Internet)

WLAN (activity, wireless)

WAN (connection to modem, activity)

LAN1 to LAN4 (connection to PC, activity, wired)

USB (device connection)

Compliance with security conditions and regulations

CE, EN60950

Software

Browser-based configuration environment

NAT, PPPoE

DHCP server and client

NAT, Port Forwarding, Port Triggering, Exposed Host

Security Setup

Firewall, prevention of hacker attacks

MAC address filtering

URL filtering,

DoS blocking, SPI

Log file

WEP encryption

WPA2 / WPA encryption

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