TRENDNET TEW1750ACV2 AC1750 Dual Band Wireless Router & AC1750 Dual Band Wireless Access Point User Manual 2

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802.11ac(draft 2.0)
TEW-815DAP Wireless Access Point
TEW-815DAP
Rev 0.1
User Manual
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 of the following measures:
z Reorient or relocate the receiving antenna.
z Increase the separation between the equipment and receiver.
z Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
z Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment.
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 (2) this device
must accept any interference received, including interference that may cause undesired
operation.
IMPORTANT NOTE:
FCC Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with
minimum distance 24cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna
or transmitter.
The availability of some specific channels and/or operational frequency bands are country
dependent and are firmware programmed at the factory to match the intended destination.
The firmware setting is not accessible by the end user.
Europe – EU Declaration of Conformity
This device complies with the essential requirements of the R&TTE Directive 1999/5/EC. The
following test methods have been applied in order to prove presumption of conformity with the
essential requirements of the R&TTE Directive 1999/5/EC:
EN60950-1:2006+A11: 2009
Safety of Information Technology Equipment
EN 62311:2008
Product standard to demonstrate the compliance of radio base stations and fixed terminal
stations for wireless telecommunication systems with the basic restrictions or the reference
levels related to human exposure to radio frequency electromagnetic fields (110MHz - 40 GHz)
- General public
EN 300 328 V1.7.1: (2006-10)
Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband Transmission
systems; Data transmission equipment operating in the 2,4 GHz ISM band and using spread
spectrum modulation techniques; Harmonized EN covering essential requirements under
article 3.2 of the R&TTE Directive
EN 301 489-1 V1.8.1: (2008-04)
Electromagnetic compatibility and Radio Spectrum Matters (ERM); ElectroMagnetic
Compatibility (EMC) standard for radio equipment and services; Part 1: Common technical
requirements
EN 301 489-17 V2.1.1:( 2009-05)
Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic
Compatibility (EMC) standard for radio equipment; Part 17: Specific conditions for 2,4 GHz
wideband transmission systems, 5 GHz high performance RLAN equipment and 5,8 GHz
Broadband Data Transmitting Systems
EN 301 893 V1.5.1(2008-12)
Broadband Radio Access Networks (BRAN);5 GHz high performance RLAN;Harmonized EN
covering the essential requirements of article 3.2 of the R&TTE Directive
This device is a 2.4/5G GHz wideband transmission system (transceiver), intended for use in all EU
member states and EFTA countries, except in France and Italy where restrictive use applies.
In Italy the end-user should apply for a license at the national spectrum authorities in order to
obtain authorization to use the device for setting up outdoor radio links and/or for supplying public
access to telecommunications and/or network services.
This device may not be used for setting up outdoor radio links in France and in some areas the RF
output power may be limited to 10 mW EIRP in the frequency range of 2454 – 2483.5 MHz. For
detailed information the end-user should contact the national spectrum authority in France.
Česky
[Jméno výrobce] tímto prohlašuje, že tento [typ zařízení] je ve shodě se
[Czech]
základními požadavky a dalšími příslušnými ustanoveními směrnice 1999/5/ES.
Dansk [Danish]
Undertegnede [fabrikantens navn] erklærer herved, at følgende udstyr [udstyrets
typebetegnelse] overholder de væsentlige krav og øvrige relevante krav i direktiv 1999/5/EF.
Deutsch
Hiermit erklärt [Name des Herstellers], dass sich das Gerät [Gerätetyp] in
[German]
Übereinstimmung mit den grundlegenden Anforderungen und den übrigen
einschlägigen Bestimmungen der Richtlinie 1999/5/EG befindet.
Eesti
Käesolevaga kinnitab [tootja nimi = name of manufacturer] seadme [seadme
[Estonian]
tüüp = type of equipment] vastavust direktiivi 1999/5/EÜ põhinõuetele ja
nimetatud direktiivist tulenevatele teistele asjakohastele sätetele.
English
Hereby, [name of manufacturer], declares that this [type of equipment] is in
compliance with the essential requirements and other relevant provisions of
Directive 1999/5/EC.
Español
Por medio de la presente [nombre del fabricante] declara que el [clase de
[Spanish]
equipo] cumple con los requisitos esenciales y cualesquiera otras disposiciones
aplicables o exigibles de la Directiva 1999/5/CE.
Ελληνική ΜΕ ΤΗΝ ΠΑΡΟΥΣΑ [name of manufacturer] ΔΗΛΩΝΕΙ ΟΤΙ [type of equipment]
[Greek]
ΣΥΜΜΟΡΦΩΝΕΤΑΙ ΠΡΟΣ ΤΙΣ ΟΥΣΙΩΔΕΙΣ ΑΠΑΙΤΗΣΕΙΣ ΚΑΙ ΤΙΣ ΛΟΙΠΕΣ
ΣΧΕΤΙΚΕΣ ΔΙΑΤΑΞΕΙΣ ΤΗΣ ΟΔΗΓΙΑΣ 1999/5/ΕΚ.
Français Par la présente [nom du fabricant] déclare que l'appareil [type d'appareil] est
[French]
conforme aux exigences essentielles et aux autres dispositions pertinentes de la
directive 1999/5/CE.
Italiano
Con la presente [nome del costruttore] dichiara che questo [tipo di apparecchio]
[Italian]
è conforme ai requisiti essenziali ed alle altre disposizioni pertinenti stabilite dalla
direttiva 1999/5/CE.
Latviski
Ar šo [name of manufacturer / izgatavotāja nosaukums] deklarē, ka [type of
[Latvian]
equipment / iekārtas tips] atbilst Direktīvas 1999/5/EK būtiskajām prasībām un
citiem ar to saistītajiem noteikumiem.
Lietuvių
Šiuo [manufacturer name] deklaruoja, kad šis [equipment type] atitinka esminius
[Lithuanian] reikalavimus ir kitas 1999/5/EB Direktyvos nuostatas.
Nederlan
ds [Dutch]
Malti
[Maltese]
Magyar
[Hungarian]
Polski
[Polish]
Portuguê
[Portuguese
Slovensk
[Slovenian]
Slovensk
y [Slovak]
Suomi
[Finnish]
Svenska
[Swedish]
Hierbij verklaart [naam van de fabrikant] dat het toestel [type van toestel] in
overeenstemming is met de essentiële eisen en de andere relevante bepalingen
van richtlijn 1999/5/EG.
Hawnhekk, [isem tal-manifattur], jiddikjara li dan [il-mudel tal-prodott] jikkonforma
mal-ħtiġijiet essenzjali u ma provvedimenti oħrajn relevanti li hemm fid-Dirrettiva
1999/5/EC.
Alulírott, [gyártó neve] nyilatkozom, hogy a [... típus] megfelel a vonatkozó
alapvetõ követelményeknek és az 1999/5/EC irányelv egyéb elõírásainak.
Niniejszym [nazwa producenta] oświadcza, że [nazwa wyrobu] jest zgodny z
zasadniczymi wymogami oraz pozostałymi stosownymi postanowieniami
Dyrektywy 1999/5/EC.
[Nome do fabricante] declara que este [tipo de equipamento] está conforme com
os requisitos essenciais e outras disposições da Directiva 1999/5/CE.
[Ime proizvajalca] izjavlja, da je ta [tip opreme] v skladu z bistvenimi zahtevami in
ostalimi relevantnimi določili direktive 1999/5/ES.
[Meno výrobcu] týmto vyhlasuje, že [typ zariadenia] spĺňa základné požiadavky a
všetky príslušné ustanovenia Smernice 1999/5/ES.
[Valmistaja = manufacturer] vakuuttaa täten että [type of equipment = laitteen
tyyppimerkintä] tyyppinen laite on direktiivin 1999/5/EY oleellisten vaatimusten ja
sitä koskevien direktiivin muiden ehtojen mukainen.
Härmed intygar [företag] att denna [utrustningstyp] står I överensstämmelse med
de väsentliga egenskapskrav och övriga relevanta bestämmelser som framgår
av direktiv 1999/5/EG.
European Union Notice:
Radio products with the CE marking comply with the R&TTE Directive (1999/5/EC), the
EMC Directive (89/336/EEC) and the Low Voltage Directive (73/23/EEC) issued by the
Commission of the European Community.
Compliance with these directives implies conformity to the following European Norms:
z EN 60950 Product Safety
z EN 300 328 Technical requirement for radio equipment
z EN 301 489-1/-17 General EMC requirements for radio equipment
z EN 301 893 V1.5.1(2008-12)
Trademark recognition
All product names used in this manual are the properties of their respective owners and are
acknowledged.
Getting Started with the TEW-815DAP
Congratulations on purchasing the TEW-815DAP! This manual provides information for setting up
and configuring the TEW-815DAP. This manual is intended for both home users and professionals.
The following conventions are used in this manual:
THE NOTE SYMBOL INDICATES ADDITIONAL INFORMATION ON THE
TOPIC AT HAND.
THE TIP SYMBOL INDICATES HELPFULL INFORMATION AND TIPS TO
IMPROVE YOUR NETWORK EXPERIENCE.
THE CAUTION SYMBOL ALERTS YOU TO SITUATIONS THAT MAY
DEGRADE YOUR NETWORKING EXPERIENCE OR COMPROMISE
LIKE NOTES AND TIPS, THE IMPORTANT SYMBOL INDICATES
INFORMATION THAT CAN IMPROVE NETWORKING. THIS INFORMATION
SHOULD NOT BE OVERLOOKED.
Package Contents
TEW-815DAP 802.11ac(draft 2.0)3x3 Gigabit Wireless Access Point
CAT-5 Ethernet Cable (All the TEW-815DAP’s Ethernet ports are Auto-MDIX)
Power Adapter (12V, 2A)
CD-ROM with Software and Manual
Quick Installation Guide
Using a power supply with a different voltage than the one included with your
product will cause damage and void the warranty for this product.
Minimum System Requirements
Ethernet-Based Cable or DSL Modem
Computers with Windows, Macintosh, or Linux-based operating systems with an installed
Ethernet adapter and CD-ROM Drive
Internet Explorer (Version 6.0 or higher) Mozilla or Safari.
Wireless LAN Networking
This section provides background information on wireless LAN networking technology. Consult
the Glossary for definitions of the terminology used in this section.
THE INFORMATION IN THIS SECTION IS FOR YOUR REFERENCE. CHANGING
NETWORK SETTINGS AND PARTICULARLY SECURITY SETTTINGS SHOULD ONLY BE
DONE BY AN AUTHORIZED ADMINISTRATOR.
Transmission Rate (Transfer Rate)
The TEW-815DAP provides various transmission (data) rate options for you to select. In most
networking scenarios, the factory default Best (automatic) setting proves the most efficient. This
setting allows your TEW-815DAP to operate at the maximum transmission (data) rate. When the
communication quality drops below a certain level, the TEW-815DAP automatically switches to a
lower transmission (data) rate. Transmission at lower data speeds is usually more reliable.
However, when the communication quality improves again, the TEW-815DAP gradually increases
the transmission (data) rate again until it reaches the highest available transmission rate.
Types of Wireless Networks
Wireless LAN networking works in either of the two modes: ad-hoc and infrastructure. In infrastructure mode, wireless devices communicate to a wired LAN via access points. Each access
point and its wireless devices are known as a Basic Service Set (BSS). An Extended Service Set
(ESS) is two or more BSSs in the same subnet. In ad hoc mode (also known as peer-to-peer
mode), wireless devices communicate with each other directly and do not use an access point.
This is an Independent BSS (IBSS).
To connect to a wired network within a coverage area using access points, set the operation mode to
Infrastructure (BSS). To set up an independent wireless workgroup without an access point, use
Ad-hoc (IBSS) mode.
A D -H OC (IBSS) N ETWORK
Ad-hoc mode does not require an access point or a wired network. Two or more wireless stations
communicate directly to each other. An ad-hoc network may sometimes be referred to as an
Independent Basic Service Set (IBSS).
To set up an ad-hoc network, configure all the stations in ad-hoc mode. Use the same SSID and
channel for each station.
10
When a number of wireless stations are connected using a single access point, you have a Basic
Service Set (BSS).
In the ESS diagram below, communication is done through the access points, which relay data
packets to other wireless stations or devices connected to the wired network. Wireless stations can
then access resources, such as a printer, on the wired network.
In an ESS environment, users are able to move from one access point to another without losing the
11
connection. In the diagram below, when the user moves from BSS (1) to BSS (2) the WLAN client
devices automatically switches to the channel used in BSS (2).
Roaming in an ESS network diagram
12
Introduction
The TEW-815DAP 802.11ac (draft 2.0)3x3 Gigabit Wireless Access Point is an high-performance,
wireless Access Point that supports high-speed wireless networking at home, at work or in
public places.
Unlike most Access Points, the TEW-815DAP provides data transfers at up to 867Mbps when using
11AC
connection. This Access Point is also back compatible with 802.11n or 802.11g or 11b
devices. This means that you do not need to change your entire network to maintain connectivity. You
may sacrifice some of 11ac’s speed when you mix 11ac /11n and 11b/g devices, but you will not
lose the ability to communicate when you incorporate the 11ac standard into your 11b/g/n network.
You may choose to slowly change your network by gradually replacing the 11b/g/n devices with 11ac
devices.
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
•
1 x 10/100/1000Mbps LAN port
1 x Wi-Fi Protected Setup (WPS) button
On/Off power switch (CE version only)
Supports simultaneous 2.4GHz / 5GHz wireless networks
Compliant with the latest draft 802.11ac wireless technology
Backwards compatible with IEEE 802.11a/b/g/n wireless standards
High-speed data rates up to 1300Mbps with 802.11ac and 450Mbps with 802.11n *
IPv6 (Internet Protocol v6) basic function support
Supports Wireless Distribution System (WDS) for wireless network bridging
Advanced wireless security of up to WPA2-RADIUS
Supports Wi-Fi Multimedia (WMM)
Support VLAN Tagging
One touch wireless connection using WPS button
Configurable web interface using the latest version of Internet Explorer, FireFox,
Safari and Chrome
• 3- year limited warranty
*Maximum wireless signal rates are referenced from IEEE 802.11 theoretical
specifications. Actual data throughput and coverage will vary depending on
interference, network traffic, building materials and other conditions. For maximum
performance of up to 1300Mbps, please use with a 3x3 802.11ac wireless adapter.
** Printer Control Center utility installation required for each computer in order to
access the print server
13
Hardware Overview
LED Indications: (from bottom to top)
¾ PWR/WPS
¾ WAN
¾ LAN
¾ Wireless 2.4G
¾ Wireless 5G
Rear panel: (from bottom to top)
• DC-IN
• POWER SWITCH( EU)
• LAN
Installation Considerations
The TEW-815DAP 802.11ac(draft 2.0)3X3 Gigabit Wireless Access Point lets you access your network,
using a wireless connection, from virtually anywhere within its operating range. 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 (radio frequency) noise in your home or business. The key to maximizing wireless
range is to follow these basic guidelines:
Keep the number of walls and ceilings between the TEW-815DAP and other network devices to
a minimum - each wall or ceiling can reduce your
wireless product’s range from 3-90 feet
(1-30 meters.) Position your devices so that the number of walls or ceilings is minimized.
Be aware of the direct line between network devices. A wall that is 1.5 feet thick (.5 meters), at a
45-degree angle appears to be almost 3 feet (1 meter) thick. At a 2-degree angle it looks over
42 feet (14 meters) thick! Position devices so that the signal will travel straight through a wall or
ceiling (instead of at an angle) for better reception.
Building Materials can impede the wireless signal - a solid metal door or aluminum studs may
have a negative effect on range. Try to position wireless devices and computers with wireless
adapters so that the signal passes through drywall or open doorways and not other materials.
Keep your product away (at least 3-6 feet or 1-2 meters) from electrical devices or appliances
that generate extreme RF noise.
14
Getting Started
For a typical wireless setup at home, please do the following:
1.
You will need broadband Internet access (a Cable or DSL-subscriber line into your home or
office)
2.
Consult with your Cable or DSL provider for proper installation of the modem.
3.
Connect the Cable or DSL modem to the TEW-815DAP Access Point (WAN port).
4.
Ethernet LAN ports of the TEW-815DAP are Auto MDI/MDIX and will work with both
Straight-Through and Cross-Over cable.
Start
1.
2.
Plug in the power adapter and verify the Power & Ethernet LEDs are light.
To configure the Access Point, open your browser, type 'http://192.168.10.1' into the
address bar
3.
At the Password prompt, the User name is 'admin' and password is admin. Enter default
username and password and press “Login”
15
Network Status
Show your network status
16
Wireless Setting:
You could configure the minimum number of Wireless settings for communication, such as
Network Name (SSID) and Security Mode. The Access Point can be set simply with only the
minimum setting items.
17
18
Administrator
Status:
19
20
The device status.
Management:
21
You may configure administrator account and password.
Admin Password
Enter a password for the user "admin", who will have full access to the Web-based
management interface.
Device Name
The name of the Access Point can be changed here.
Enable Dynamic DNS
Enable this option only if you have purchased your own domain name and registered with a
dynamic DNS service provider. The following parameters are displayed when the option is
enabled.
Dynamic DNS Provider
Select a dynamic DNS service provider from the pull-down list.
Host Name
Enter your host name, fully qualified; for example: myhost.mydomain.net.
Account
Enter the account provided by your service provider. If the Dynamic DNS provider supplies only
a key, enter that key in all three fields.
Password
Enter the password provided by your service provider. If the Dynamic DNS provider supplies
only a key, enter that key in all three fields.
22
Upload Firmware:
Once you have a firmware update on your computer, use this option to browse for the file and then
upload the information into the Access Point.
23
Setting Management:
Export Settings
This option allows you to export and then save the Access Point's configuration to a file on your
computer. Be sure to save the configuration before performing a firmware upgrade.
Import Settings
Use this option to restore previously saved Access Point configuration settings.
Load Factory Defaults
This option restores all configuration settings back to the settings that were in effect at the time
the Access Point was shipped from the factory. Any settings that have not been saved will be
lost. If you want to save your Access Point configuration settings, use the Export Settings
option above.
System Reboot
24
This restarts the Access Point. It is useful for restarting when you are not near the device.
25
Status:
The device status
26
IPv6 Status:
System log:
27
This page can be used to set remote log server and show the system log.
28
Setup
LAN Setting:
This page allows you to configure the LAN of the Access Point
IP Address
The IP address of the this device on the local area network. Assign any unused IP address in
the range of IP addresses available for the LAN.
Subnet Mask
The subnet mask of the local area network.
Subnet Mask
The subnet mask of the local area network.
Gateway
The IP address of the Access Point on the local area network. For example, 192.168.10.1.
IP Address:
The LAN address that you want to reserve.
29
MAC Address
To input the MAC address of your system, enter it in manually or connect to the Access Point's
Web-Management interface from the system and click the Copy Your PC's MAC Address
button.
A MAC address is usually located on a sticker on the bottom of a network device. The MAC
address is comprised of twelve digits. Each pair of hexadecimal digits are usually separated by
dashes or colons such as 00-0D-88-11-22-33 or 00:0D:88:11:22:33. If your network device is a
computer and the network card is already located inside the computer, you can connect to the
Access Point from the computer and click the Copy Your PC's MAC Address button to enter
the MAC address.
IPv6 Setting:
30
LAN IPv6 Setting
6to4
6to4 is provided as a transition for migrating from IPv4 to IPv6. It allows IPv6 packets to be transmitted
over an IPv4 network through the automatic tunneling technology, and routes traffic between 6to4 and
IPv6 networks.
Native IPv6 only
Native IPv6 refers to the network where IPv6 is the only transport protocol running.
6to4 + Native IPv6
Support 6to4 and Native IPv6 simultaneously.
DNS server
User need to key in the IPv6 DNS server address which is provided by ISP.
6to4 subnet ID
Specifies, in hexadecimal notation, a subnet ID other than 0
31
Wireless
Multiple SSID:
You could configure the minimum number of Wireless settings for communication, such as
Network Name (SSID) and Security Mode. The Access Point can be set simply with only the
minimum setting items.
Wireless Network Name (SSID)
When you are browsing for available wireless networks, this is the name that will appear in the
list (unless Visibility Status is set to Invisible, see below). This name is also referred to as the
SSID. For security purposes, it is highly recommended to change from the pre-configured
32
network name. Add up to three additional SSIDs to create virtual wireless networks from one
wireless Access Point Access Point device.
Add Additional Wireless Network Name (SSID)
To add additional wireless Network Names simply add the name to the Multiple SSID field and
click on apply at the bottom of the page. When finished, go to the Security section in this Users
Guide for wireless security configuration.
Security Mode
Unless one of these encryption modes is selected, wireless transmissions to and from your
wireless network can be easily intercepted and interpreted by unauthorized users.
WPABoth of these options select some variant of Wi-Fi Protected Access (WPA) -- security
standards published by the Wi-Fi Alliance. The WPA Mode further refines the variant that the
Access Point should employ.
WPA Mode: WPA is the older standard; select this option if the clients that will be used with the
Access Point only support the older standard. WPA2 is the newer implementation of the
stronger IEEE 802.11i security standard. With the "WPA2" option, the Access Point tries WPA2
first, but falls back to WPA if the client only supports WPA. With the "WPA2 Only" option, the
Access Point associates only with clients that also support WPA2 security.
Cipher Type: The encryption algorithm used to secure the data communication. TKIP (Temporal
Key Integrity Protocol) provides per-packet key generation and is based on WEP. AES
(Advanced Encryption Standard) is a very secure block based encryption. With the "TKIP and
AES" option, the Access Point negotiates the cipher type with the client, and uses AES when
available.
Group Key Update Interval: The amount of time before the group key used for broadcast and
multicast data is changed.
WPA-PSK
This option uses Wi-Fi Protected Access with a Pre-Shared Key (PSK).
Pre-Shared Key: The key is entered as a pass-phrase of up to 63 alphanumeric characters in ASCII
(American Standard Code for Information Interchange) format at both ends of the wireless connection.
It cannot be shorter than eight characters, although for proper security it needs to be of ample length
and should not be a commonly known phrase. This phrase is used to generate session keys that are
unique for each wireless client.
33
WDS:
This page allows you to configure Wireless Distribution System (WDS) for the wireless LAN
interfaces.
Wireless Distribution System (WDS)
When WDS is enabled, this access point functions as a wireless repeater and is able to
wirelessly communicate with other APs via WDS links. A WDS link is bidirectional; so this AP
must know the MAC Address (creates the WDS link) of the other AP, and the other AP must
have a WDS link back to this AP. Make sure the APs are configured with same channel.
34
(Note that WDS security is incompatible with mixed mode, like WPAPSK+WPA2PSK mixed,
WEP AUTO and 802.1x, both feature cannot be used at the same time).
Configuring WDS with TEW-815DAP
Enable the option for WDS and input the MAC Address of the wireless device that also supports
WDS in to the blank fields. You can add up to four additional devices in the spaces provided.
Click on apply at the bottom of the page, to apply your setting changes.
Enable the security seeing in security page, each WDS APs need to use same security setting.
(Note: WDS supports wireless g/n modes. The use multiple Access Point will reduces the
overall network throughput to ½ the TEW-815DAP.
35
Advanced:
Use the Advanced Setup page to make detailed settings for the Wireless. Advanced Setup
includes items that are not available from the Basic Setup page, such as Beacon Interval, etc
Beacon Interval
Beacons are packets sent by a wireless Access Point to synchronize wireless devices. Specify
a Beacon Period value between 20 and 1000. The default value is set to 100 milliseconds.
DTIM
A DTIM is a countdown informing clients of the next window for listening to broadcast and
multicast messages. When the wireless Access Point has buffered broadcast or multicast
messages for associated clients, it sends the next DTIM with a DTIM Interval value. Wireless
clients detect the beacons and awaken to receive the broadcast and multicast messages. The
default value is 1. Valid settings are between 1 and 255.
36
Fragmentation Threshold
Wireless frames can be divided into smaller units (fragments) to improve performance in the
presence of RF interference and at the limits of RF coverage. Fragmentation will occur when
frame size in bytes is greater than the Fragmentation Threshold. This setting should remain at
its default value of 2346 bytes. Setting the Fragmentation value too low may result in poor
performance.
RTS Threshold
When an excessive number of wireless packet collisions are occurring, wireless performance
can be improved by using the RTS/CTS (Request to Send/Clear to Send) handshake protocol.
The wireless transmitter will begin to send RTS frames (and wait for CTS) when data frame size
in bytes is greater than the RTS Threshold. This setting should remain at its default value of
2346 bytes.
Short Preamble and Slot
Using a short (400ns) guard interval can increase throughput. However, it can also increase
error rate in some installations, due to increased sensitivity to radio-frequency reflections.
Select the option that works best for your installation.
37
WPS:
Enable
Enable the WPS feature.
PIN Settings
A PIN is a unique number that can be used to add the Access Point to an existing network or to
create a new network. The default PIN may be printed on the bottom of the Access Point. For
extra security, a new PIN can be generated. You can restore the default PIN at any time. Only
the Administrator ("admin" account) can change or reset the PIN.
Current PIN
Shows the current value of the Access Point's PIN.
Reset To WPS Default
Restore the default PIN of the Access Point.
38
Generate New PIN
Create a random number that is a valid PIN. This becomes the Access Point's PIN. You can
then copy this PIN to the user interface of the registrar.
39
Glossary
802.11
A family of specifications for wireless local area networks (WLANs) developed by a working
group of the Institute of Electrical and Electronics Engineers (IEEE).
Access Control List
ACL. This is a database of network devices that are allowed to access resources on the
network.
Access Point
AP. Device that allows wireless clients to connect to it and access the network
ActiveX
A Microsoft specification for the interaction of software components.
Address Resolution Protocol
ARP. Used to map MAC addresses to IP addresses so that conversions can be made in both
directions.
Ad-hoc network
Peer-to-Peer network between wireless clients
ADSL
Asymmetric Digital Subscriber Line
Advanced Encryption Standard
AES. Government encryption standard
Alphanumeric
Characters A-Z and 0-9
Antenna
Used to transmit and receive RF signals.
AppleTalk
A set of Local Area Network protocols developed by Apple for their computer systems
AppleTalk Address Resolution Protocol
40
AARP. Used to map the MAC addresses of Apple computers to their AppleTalk network
addresses, so that conversions can be made in both directions.
Application layer
7th Layer of the OSI model. Provides services to applications to ensure that they can
communicate properly with other applications on a network.
ASCII
American Standard Code for Information Interchange. This system of characters is most
commonly used for text files
Attenuation
The loss in strength of digital and analog signals. The loss is greater when the signal is being
transmitted over long distances.
Authentication
To provide credentials, like a Password, in order to verify that the person or device is really who
they are claiming to be
Automatic Private IP Addressing
APIPA. An IP address that that a Windows computer will assign itself when it is configured to
obtain an IP address automatically but no DHCP server is available on the network
Backward Compatible
The ability for new devices to communicate and interact with older legacy devices to guarantee
interoperability
Bandwidth
The maximum amount of bytes or bits per second that can be transmitted to and from a network
device
Basic Input/Output System
BIOS. A program that the processor of a computer uses to startup the system once it is turned
on
Baud
Data transmission speed
Beacon
A data frame by which one of the stations in a Wi-Fi network periodically broadcasts network
control data to other wireless stations.
41
Bit rate
The amount of bits that pass in given amount of time
Bit/sec
Bits per second
BOOTP
Bootstrap Protocol. Allows for computers to be booted up and given an IP address with no user
intervention
Bottleneck
A time during processes when something causes the process to slowdown or stop all together
Broadband
A wide band of frequencies available for transmitting data
Broadcast
Transmitting data in all directions at once
Browser
A program that allows you to access resources on the web and provides them to you graphically
Cable modem
A device that allows you to connect a computer up to a coaxial cable and receive Internet
access from your Cable provider
CardBus
A newer version of the PC Card or PCMCIA interface. It supports a 32-bit data path, DMA, and
consumes less voltage
CAT 5
Category 5. Used for 10/100 Mbps or 1Gbps Ethernet connections
Client
A program or user that requests data from a server
Collision
When do two devices on the same Ethernet network try and transmit data at the exact same
time.
Cookie
42
Information that is stored on the hard drive of your computer that holds your preferences to the
site that gave your computer the cookie
Data
Information that has been translated into binary so that it can be processed or moved to another
device
Data Encryption Standard
Uses a randomly selected 56-bit key that must be known by both the sender and the receiver
when information is exchanged
Database
Organizes information so that it can be managed updated, as well as easily accessed by users
or applications.
Data-Link layer
The second layer of the OSI model. Controls the movement of data on the physical link of a
network
DB-25
A 25 ping male connector for attaching External modems or RS-232 serial devices
DB-9
A 9 pin connector for RS-232 connections
dBd
Decibels related to dipole antenna
dBi
Decibels relative to isotropic radiator
dBm
Decibels relative to one milliwatt
Decrypt
To unscramble an encrypted message back into plain text
Default
A predetermined value or setting that is used by a program when no user input has been
entered for this value or setting
Demilitarized zone
43
DMZ: A single computer or group of computers that can be accessed by both users on the
Internet as well as users on the Local Network, but that is not protected by the same security as
the Local Network.
DHCP
Dynamic Host Configuration Protocol: Used to automatically assign IP addresses from a
predefined pool of addresses to computers or devices that request them
Digital certificate:
An electronic method of providing credentials to a server in order to have access to it or a
network
Direct Sequence Spread Spectrum
DSSS: Modulation technique used by 802.11b wireless devices
DMZ
"Demilitarized Zone". A computer that logically sits in a "no-mans land" between the LAN and
the WAN. The DMZ computer trades some of the protection of the Access Point's security
mechanisms for the convenience of being directly addressable from the Internet.
DNS
Domain Name System: Translates Domain Names to IP addresses
Domain name
A name that is associated with an IP address
Download
To send a request from one computer to another and have the file transmitted back to the
requesting computer
DSL
Digital Subscriber Line. High bandwidth Internet connection over telephone lines
Duplex
Sending and Receiving data transmissions at the sane time
Dynamic DNS service
Dynamic DNS is provided by companies to allow users with Dynamic IP addresses to obtain a
Domain Name that will always by linked to their changing IP address. The IP address is
updated by either client software running on a computer or by a Access Point that supports
Dynamic DNS, whenever the IP address changes
Dynamic IP address
44
IP address that is assigned by a DHCP server and that may change. Cable Internet providers
usually use this method to assign IP addresses to their customers.
EAP
Extensible Authentication Protocol
Email
Electronic Mail is a computer-stored message that is transmitted over the Internet
Encryption
Converting data into cyphertext so that it cannot be easily read
Ethernet
The most widely used technology for Local Area Networks.
Fiber optic
A way of sending data through light impulses over glass or plastic wire or fiber
File server
A computer on a network that stores data so that the other computers on the network can all
access it
File sharing
Allowing data from computers on a network to be accessed by other computers on the network
with different levels of access rights
Firewall
A device that protects resources of the Local Area Network from unauthorized users outside of
the local network
Firmware
Programming that is inserted into a hardware device that tells it how to function
Fragmentation
Breaking up data into smaller pieces to make it easier to store
FTP
File Transfer Protocol. Easiest way to transfer files between computers on the Internet
Full-duplex
45
Sending and Receiving data at the same time
Gain
The amount an amplifier boosts the wireless signal
Gateway
A device that connects your network to another, like the internet
Gbps
Gigabits per second
Gigabit Ethernet
Transmission technology that provides a data rate of 1 billion bits per second
GUI
Graphical user interface
H.323
A standard that provides consistency of voice and video transmissions and compatibility for
videoconferencing devices
Half-duplex
Data cannot be transmitted and received at the same time
Hashing
Transforming a string of characters into a shorter string with a predefined length
Hexadecimal
Characters 0-9 and A-F
Hop
The action of data packets being transmitted from one Access Point to another
Host
Computer on a network
HTTP
Hypertext Transfer Protocol is used to transfer files from HTTP servers (web servers) to HTTP
clients (web browsers)
HTTPS
46
HTTP over SSL is used to encrypt and decrypt HTTP transmissions
Hub
A networking device that connects multiple devices together
ICMP
Internet Control Message Protocol
IEEE
Institute of Electrical and Electronics Engineers
IGMP
Internet Group Management Protocol is used to make sure that computers can report their
multicast group membership to adjacent Access Points
IIS
Internet Information Server is a WEB server and FTP server provided by Microsoft
IKE
Internet Key Exchange is used to ensure security for VPN connections
Infrastructure
In terms of a wireless network, this is when wireless clients use an Access Point to gain access
to the network
Internet
A system of worldwide networks which use TCP/IP to allow for resources to be accessed from
computers around the world
Internet Explorer
A World Wide Web browser created and provided by Microsoft
Internet Protocol
The method of transferring data from one computer to another on the Internet
Internet Protocol Security
IPsec provides security at the packet processing layer of network communication
Internet Service Provider
An ISP provides access to the Internet to individuals or companies
Intranet
A private network
47
Intrusion Detection
A type of security that scans a network to detect attacks coming from inside and outside of the
network
IP
Internet Protocol
IP address
A 32-bit number, when talking about Internet Protocol Version 4, that identifies each computer
that transmits data on the Internet or on an Intranet
IPsec
Internet Protocol Security
IPX
Internetwork Packet Exchange is a networking protocol developed by Novel to enable their
Netware clients and servers to communicate
ISP
Internet Service Provider
Java
A programming language used to create programs and applets for web pages
Kbps
Kilobits per second
Kbyte
Kilobyte
L2TP
Layer 2 Tunneling Protocol
LAN
Local Area Network
Latency
48
The amount of time that it takes a packet to get from the one point to another on a network. Also
referred to as delay
LED
Light Emitting Diode
Legacy
Older devices or technology
Local Area Network
A group of computers in a building that usually access files from a server
LPR/LPD
"Line Printer Requestor"/"Line Printer Daemon". A TCP/IP protocol for transmitting streams of
printer data.
MAC Address
A unique hardware ID assigned to every Ethernet adapter by the manufacturer.
Mbps
Megabits per second
MDI
Medium Dependent Interface is an Ethernet port for a connection to a straight-through cable
MDIX
Medium Dependent Interface Crossover, is an Ethernet port for a connection to a crossover
cable
MIB
Management Information Base is a set of objects that can be managed by using SNMP
Modem
A device that Modulates digital signals from a computer to an analog signal in order to transmit
the signal over phone lines. It also Demodulates the analog signals coming from the phone lines
to digital signals for your computer
MPPE
Microsoft Point-to-Point Encryption is used to secure data transmissions over PPTP
connections
MTU
49
Maximum Transmission Unit is the largest packet that can be transmitted on a packet-based
network like the Internet
Multicast
Sending data from one device to many devices on a network
NAT
Network Address Translation allows many private IP addresses to connect to the Internet, or
another network, through one IP address
NetBEUI
NetBIOS Extended User Interface is a Local Area Network communication protocol. This is an
updated version of NetBIOS
NetBIOS
Network Basic Input/Output System
Netmask
Determines what portion of an IP address designates the Network and which part designates
the Host
Network Interface Card
A card installed in a computer or built onto the motherboard that allows the computer to connect
to a network
Network Layer
The third layer of the OSI model which handles the routing of traffic on a network
Network Time Protocol
Used to synchronize the time of all the computers in a network
NIC
Network Interface Card
NTP
Network Time Protocol
OFDM
Orthogonal Frequency-Division Multiplexing is the modulation technique for 802.11g
50
OSI
Open Systems Interconnection is the reference model for how data should travel between two
devices on a network
OSPF
Open Shortest Path First is a routing protocol that is used more than RIP in larger scale
networks because only changes to the routing table are sent to all the other Access Points in
the network as opposed to sending the entire routing table at a regular interval, which is how
RIP functions
Password
A sequence of characters that is used to authenticate requests to resources on a network
Personal Area Network
The interconnection of networking devices within a range of 10 meters
Physical layer
The first layer of the OSI model. Provides the hardware means of transmitting electrical signals
on a data carrier
Ping
A utility program that verifies that a given Internet address exists and can receive messages.
The utility sends a control packet to the given address and waits for a response.
PoE
Power over Ethernet is the means of transmitting electricity over the unused pairs in a category
5 Ethernet cable
POP3
Post Office Protocol 3 is used for receiving email
Port
A logical channel endpoint in a network. A computer might have only one physical channel (its
Ethernet channel) but can have multiple ports (logical channels) each identified by a number.
PPP
Point-to-Point Protocol is used for two computers to communicate with each over a serial
interface, like a phone line
PPPoE
51
Point-to-Point Protocol over Ethernet is used to connect multiple computers to a remote server
over Ethernet
PPTP
Point-to-Point Tunneling Protocol is used for creating VPN tunnels over the Internet between
two networks
Preamble
Used to synchronize communication timing between devices on a network
QoS
Quality of Service
RADIUS
Remote Authentication Dial-In User Service allows for remote users to dial into a central server
and be authenticated in order to access resources on a network
Reboot
To restart a computer and reload it's operating software or firmware from nonvolatile storage.
Rendezvous
Apple's version of UPnP, which allows for devices on a network to discover each other and be
connected without the need to configure any settings
Repeater
Retransmits the signal of an Access Point in order to extend it's coverage
RIP
Routing Information Protocol is used to synchronize the routing table of all the Access Points on
a network
RJ-11
The most commonly used connection method for telephones
RJ-45
The most commonly used connection method for Ethernet
RS-232C
The interface for serial communication between computers and other related devices
52
RSA
Algorithm used for encryption and authentication
Server
A computer on a network that provides services and resources to other computers on the
network
Session key
An encryption and decryption key that is generated for every communication session between
two computers
Session layer
The fifth layer of the OSI model which coordinates the connection and communication between
applications on both ends
Simple Mail Transfer Protocol
Used for sending and receiving email
Simple Network Management Protocol
Governs the management and monitoring of network devices
SIP
Session Initiation Protocol. A standard protocol for initiating a user session that involves
multimedia content, such as voice or chat.
SMTP
Simple Mail Transfer Protocol
SNMP
Simple Network Management Protocol
SOHO
Small Office/Home Office
SPI
Stateful Packet Inspection
SSH
Secure Shell is a command line interface that allows for secure connections to remote
computers
SSID
53
Service Set Identifier is a name for a wireless network
Stateful inspection
A feature of a firewall that monitors outgoing and incoming traffic to make sure that only valid
responses to outgoing requests are allowed to pass though the firewall
Subnet mask
Determines what portion of an IP address designates the Network and which part designates
the Host
Syslog
System Logger -- a distributed logging interface for collecting in one place the logs from
different sources. Originally written for UNIX, it is now available for other operating systems,
including Windows.
TCP
Transmission Control Protocol
TCP Raw
A TCP/IP protocol for transmitting streams of printer data.
TCP/IP
Transmission Control Protocol/Internet Protocol
TFTP
Trivial File Transfer Protocol is a utility used for transferring files that is simpler to use than FTP
but with less features
Throughput
The amount of data that can be transferred in a given time period
Traceroute
A utility displays the routes between you computer and specific destination
UDP
User Datagram Protocol
Unicast
Communication between a single sender and receiver
54
Universal Plug and Play
A standard that allows network devices to discover each other and configure themselves to be a
part of the network
Upgrade
To install a more recent version of a software or firmware product
Upload
To send a request from one computer to another and have a file transmitted from the requesting
computer to the other
UPnP
Universal Plug and Play
URL
Uniform Resource Locator is a unique address for files accessible on the Internet
USB
Universal Serial Bus
UTP
Unshielded Twisted Pair
Virtual Private Network
VPN: A secure tunnel over the Internet to connect remote offices or users to their company's
network
VLAN
Virtual LAN
Voice over IP
Sending voice information over the Internet as opposed to the PSTN
VoIP
Voice over IP
Wake on LAN
Allows you to power up a computer though it's Network Interface Card
WAN
55
Wide Area Network
WCN
Windows Connect Now. A Microsoft method for configuring and bootstrapping wireless
networking hardware (access points) and wireless clients, including PCs and other devices.
WDS
Wireless Distribution System. A system that enables the interconnection of access points
wirelessly.
Web browser
A utility that allows you to view content and interact with all of the information on the World Wide
Web
WEP
Wired Equivalent Privacy is security for wireless networks that is supposed to be comparable to
that of a wired network
Wide Area Network
The larger network that your LAN is connected to, which may be the Internet itself, or a regional
or corporate network
Wi-Fi
Wireless Fidelity
Wi-Fi Protected Access
An updated version of security for wireless networks that provides authentication as well as
encryption
Wireless ISP
A company that provides a broadband Internet connection over a wireless connection
Wireless LAN
Connecting to a Local Area Network over one of the 802.11 wireless standards
WISP
Wireless Internet Service Provider
WLAN
Wireless Local Area Network
WPA
Wi-Fi Protected Access. A Wi-Fi security enhancement that provides improved data encryption,
relative to WEP.
56
X
xDSL
A generic term for the family of digital subscriber line (DSL) technologies, such as ADSL, HDSL,
RADSL, and SDSL.
Yagi antenna
A directional antenna used to concentrate wireless signals on a specific location
57

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