LevelOne WAP-6103 manual

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A palavra vem do latim "Instructio" ou instruir. Portanto, no manual LevelOne WAP-6103 você pode encontrar uma descrição das fases do processo. O objetivo do manual é instruir, facilitar o arranque, a utilização do equipamento ou a execução de determinadas tarefas. O manual é uma coleção de informações sobre o objeto / serviço, um guia.

Infelizmente, pequenos usuários tomam o tempo para ler o manual LevelOne WAP-6103, e um bom manual não só permite conhecer uma série de funcionalidades adicionais do dispositivo, mas evita a formação da maioria das falhas.

Então, o que deve conter o manual perfeito?

Primeiro, o manual LevelOne WAP-6103 deve conte:
- dados técnicos do dispositivo LevelOne WAP-6103
- nome do fabricante e ano de fabricação do dispositivo LevelOne WAP-6103
- instruções de utilização, regulação e manutenção do dispositivo LevelOne WAP-6103
- sinais de segurança e certificados que comprovam a conformidade com as normas pertinentes

Por que você não ler manuais?

Normalmente, isso é devido à falta de tempo e à certeza quanto à funcionalidade específica do dispositivo adquirido. Infelizmente, a mesma ligação e o arranque LevelOne WAP-6103 não são suficientes. O manual contém uma série de orientações sobre funcionalidades específicas, a segurança, os métodos de manutenção (mesmo sobre produtos que devem ser usados), possíveis defeitos LevelOne WAP-6103 e formas de resolver problemas comuns durante o uso. No final, no manual podemos encontrar as coordenadas do serviço LevelOne na ausência da eficácia das soluções propostas. Atualmente, muito apreciados são manuais na forma de animações interessantes e vídeos de instrução que de uma forma melhor do que o o folheto falam ao usuário. Este tipo de manual é a chance que o usuário percorrer todo o vídeo instrutivo, sem ignorar especificações e descrições técnicas complicadas LevelOne WAP-6103, como para a versão papel.

Por que ler manuais?

Primeiro de tudo, contem a resposta sobre a construção, as possibilidades do dispositivo LevelOne WAP-6103, uso dos acessórios individuais e uma gama de informações para desfrutar plenamente todos os recursos e facilidades.

Após a compra bem sucedida de um equipamento / dispositivo, é bom ter um momento para se familiarizar com cada parte do manual LevelOne WAP-6103. Atualmente, são cuidadosamente preparados e traduzidos para sejam não só compreensíveis para os usuários, mas para cumprir a sua função básica de informação

Índice do manual

  • Página 1

    LevelOne User Manual WAP- 610 3 Managed Ceili ng Wireless Acce ss Point, 300Mbps 802.11n, Fa st Ethernet, PoE 802.3af V1.1 _20140509[...]

  • Página 2

    T able of content s C HAPTER 1 I NTRODUCTI ON ....................................................................................................................................... 5 1.1 C ONTENT S L IST ............................................................................................................................................. 5 1[...]

  • Página 3

    3.3.2.3 Email Alert ..................................................................................................................................... 50 3.3.3 System Tools ........................................................................................................................... 50 3.3.3.1 Change Password .......................[...]

  • Página 4

    Copyright The contents of this publication may not be reproduced in an y p art or a s a whole, stored, transcribed in an information retrieval sy stem, translated into any language, or trans m itted in any form or by any m eans, mechanical, m agnetic, electronic, optical, p hotocopying, manual, or otherwise, without the prior written permission. T [...]

  • Página 5

    Chapter 1 Introduction Congratulations on your purchase of this out standing product : WA P- 610 3 W iFi 2.4G Ceiling Access Po int are de signed for small- and medium-sized businesses to extend the existing wired networks and has the ab ility to operate in dif ferent modes and can be u sed in a wide variety of wireless applications like AP , Point[...]

  • Página 6

    1.2 Hard w are Inst allation 1.2.1 W ARNING 1.2.2 SY STEM REQUIREM ENTS Network Requirements  An Ethernet-based C able or D SL modem  IEEE 802.11n or 802.11b, g w ireless clients  10/100 Etherne t Web-based Configurati on Utility Requirements Computer with the follo w ing:  Windows® , Maci ntosh, or Linux-based ope rating system  An[...]

  • Página 7

    1.2.3 Hardw are Configuration Rear View: Receptor for Power A dapter PoE-PD Ethernet Port[...]

  • Página 8

    1.2.4 Moun ting on the Ceilin g / W all This d evice is designed fo r easily m ounted on the ceiling or wall with a simple mount bracket. Before mounting it to the ex p ected location, please make p roper configurati on for the device setting and run the PoE Ethernet cable to the location in adv ance. The following illustrations show you how to mou[...]

  • Página 9

    C Plug-in the cable (Ethernet cable, Power cord) to the connectors in the button side. Run the cables upw ar d to proper location. D Attached this device to mounting bracket by rotating it clock wisely to click into place. E Installation completed.[...]

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    1.2.5 LED In dicators LED Description S tatus 1. W hen t h e device is booted up and ready: 2. W hen W EC/Reset is trigg e red (with button p ressed): S tatus LED f lashes at dif ferent rate according button -pressed duration. S tage 1 (1 ~ 5 sec) : Flash very fast Stage 2 (6 ~ 10 sec) : Flash twice per second Stage 3 (11~15 sec) : Flash once per s[...]

  • Página 11

    1.2.6 But ton Definition There is one multi - function push button “W EC/Reset” in this device. According to different button pressed duration, the device will take specific rea ction. For ease of interacting with the device, you can also check the S tatus and WiFi LED to determine w h en to release the button. The Res et/ W EC button’ s beha[...]

  • Página 12

    Configuration (Slave to Slave) (Press 3 sec) the ea sy configuration proce ss also suppo rts “Slave to Slave” configuration. 1. Press the W EC/Reset button of the f irst Slave AP (say S lave1 that has be en pa ired and configured) for 1~3 se conds, release it to tri gger the W EC process. Then, the W iFi LED flashes fast. 2. Press the WEC/Reset[...]

  • Página 13

    Configuration (Press 13 sec) seconds and release it. 2. The Slave AP will be marked as an un -configured device, so that it can be paired with ano ther Master o r conf igured Slave AP later. For Master AP, there is no effect on this button behavior. Reset to Default W EC/Reset (Press 20 sec) 1. Press the Reset/ W EC bu tton for ab out 20 seconds ti[...]

  • Página 14

    Chapter 2 Getting Starte d Before you can install this product to designated location and ma ke it operate properly, you have to configure the device setting to fit in y o ur network environment. Hardware Preparation: a. Connect a n E thernet cable betw e en this device a nd the co m puter that you w ill operate to set up the device. b. Power on th[...]

  • Página 15

    After applying this setting, y o u can now access to the web UI for configuring the dev ice. 2.1 Easy Setup via Web UI You can browse web UI to configure the device. Firstly you need to launch th e Setup W izard browser first and then the Setup W izard will guide you s tep- by -step to finish the basic setup process. A c tivate the setup w izard: T[...]

  • Página 16

    Select “Wizard” for basic settings in a simple way. Or, you can go to Basic Network / A dvanced Network / A pplica tions / Sy stem to setup the configuration by your own selection. Press “Next” to start the Setup Wizard.[...]

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    Configure w ith the Setup W iz ard Step 1 You can change the password of administrator here. Step 2 LAN IP Address. You have to change the IP address of this device according to your ne twork configuration. Step 3-1 W irel ess settings. You can specify th e W ireless setting fo r VAP1. Step 3-2 W irel ess settings. Specify VAP1’s w irel ess authe[...]

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    Step 4 Check the information again. Step 5 System is applying the setting. Step 6 Click finish to complete it. 2.2 Use WEC Button to Setup Wireless Profiles W EC ( W ireless Easy Connection) is an easy configuration feature that is sim ilar to well- known W PS function. It can be used to duplicate one device’s wireless configuration to the other [...]

  • Página 19

    2. 2 .1 One Master and se veral isolate d Slaves As illustrated in above figure, ho w to configure the three APs (AP1, A P2, A P3) to build up the “staff” wireless network? Y ou can follow the p rocedure bellow : Step Button Description 1 Set AP1 in Master Mode, and configure it via web UI. 1. Make su re AP1 is in Master Mode ( W iFi LED should[...]

  • Página 20

    3 Easy configure AP2 via W EC. Master to Slave WEC: 1. Trigger AP1 into W EC configuration process via pressing the WEC button for 3 second. 2. Trigger AP2 into W EC configuration process via pressing the WEC button for 3 second. 3. It takes 30 ~ 60 seconds for the device to finish the WEC configuration process. 4 Easy configure AP3 via W EC. Maste[...]

  • Página 21

    2. 2.2 One Maste r and a series of con nected Sla ves This device also su pport un iversal rep eater function, you can e asily extend the wireless network with a series rep eaters that are wireless con catenated to b uild up the wireless network without running Ethernet cables to each repeater . As illustrate d in above f igure, if you intend to de[...]

  • Página 22

    3 Easy configure AP2 via W EC. Master to Slave WEC: 1. Trigger AP1 into W EC configuration p rocess via pressing the WEC button for 3 second. 2. Trigger AP2 into W EC configuration process via pressing the WEC button for 3 second. 3. It takes 30 ~ 60 seconds for the device to finish the WEC configuration process. 4 Easy configure AP3 via W EC. Slav[...]

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    Besides, You can a lso check the AP4’s W iFi LED, it should be “Solid Amber” if AP4 already connected AP3. Although such wireless repeater f unction is a vailab le, the re are limitations for such topology. First, th e available bandwidth for AP2 ~ AP4 will be decayed due to it is connected to it peer AP wirelessly. It depends on the data rat[...]

  • Página 24

    Chapter 3 Making Configurations W henev e r you want to configure your network or this device, you can access the Configuration Menu by opening the web-browser a nd typing in the IP Address of the device. The default IP Address is: 192.168.1.1. In the configuration section you may want to check the connection status of this device, to do Basic or A[...]

  • Página 25

    Afterw a rds, you can go Wizard, Basic Network, Advanced Network, A ppl ication or System respectively on left hand side o f web page. Note: Y ou ca n see the Connection S tatus scr een below aft e r you logged in. Note : Y ou ca n see all the st atus of this device in the ‘S tatus’ main menu section.[...]

  • Página 26

    3.1 Basic Netw ork You can enter Ba sic Network for Ethernet LAN, Wireles s and IPv6 settings in this web page. 3.1.1 Etherne t L A N 1. Device Network T y pe : This device supports two network types for connecting to your local network.[...]

  • Página 27

    Static IP: Allow a device to act as a Static host . If you need Sta tic host and please entry IP Address. DHCP: Allow a d evice to act as a host requesting configuration parameters, such as an IP address from a DHCP server. Note: Please check if there is DHCP server in your Network, first. 2. LAN IP Address, Subnet M ask, Gateway , P rimary / Sec o[...]

  • Página 28

    The embedded RF Module1 is a IEEE 802.1 1b/g/n comp liant 2.4GHz W ireless Module. 3.1.2.1 Wir eless Setu p There are several wireless operation modes provided by this device. They are: “ AP Only Mode ”, “ WDS Hybrid Mode ”, “ W DS Onl y Mode ”, and “ Univ ersal Repeater Mode ”. Y ou ca n choose the expected mode a nd configure the [...]

  • Página 29

    1. Wire less Module: Enable the wireless function. 2. Wire less Operation Mode: Choose “ AP Only Mode ” f rom the list. 3. Gre en A P: Enable the Green AP function to reduce the power consumption when there is no wireless traf f ic. 4. A P Number: T his device supports up to 8 SSIDs at the same time for you to manage your wireless networks. You[...]

  • Página 30

    7. VLAN ID: This device supports mapping of a SSID to a certain VLAN ID to separate workgroups across wireless and wired domains. By default, it is not enables. If you enabled this function, you have to specify a VLAN ID fo r the wireless network. 8. Max S upported Stations: You can speci fy th e numb er of maximum statio ns that can associate to t[...]

  • Página 31

    authentication process have the s ame "shared" key or p assphrase. The shared key is m anually set on both the cl ient station and the AP. Three types of shared key authentication are a vailable today f or home or s mall office W LAN environments.  Auto The gateway will select appropriate authentication method (Open o r Shared) accordi[...]

  • Página 32

    64 hexadecimal (0, 1, 2…8 , 9, A , B…F) digits , or 8 to 63 AS CII characters as the shared key. The key v a lue is shared by the RADIUS server and this router . This key value must be consistent with the key value in the RADIUS serv er . Afterw a rds, click on “ Save” to store your settings o r cli ck “Undo ” to give up the changes. 3.[...]

  • Página 33

    1. La zy Mode: T his device sup port the Lazy Mode to automatically learn the MAC address of W DS peers, you don ’t have to input other peer AP's MAC address. However , not all the APs can be set to enable the L azy mode simultaneously ; a t least there must be one AP with all the W DS peers’ MAC address filled. 2. Gre en A P: Enable the G[...]

  • Página 34

    network. T herefore, if this sett ing is configured as “Disable”, you can hide the wireless network f rom been scanned by wireless clients. Those who know the SSID can m anually specif y the SSID on their client device to connect the hidden wireless network. 6. V LAN ID: T his device supports mapping of a SSID to a certain VLAN ID to separate w[...]

  • Página 35

     Shared Shared key authentication reli es on the fact th a t both stations taking p art in the authentication process have the s ame "shared" key or p assphrase. The shared key is m anually set on both the client sta tion and the AP. Three types of shared key authentication are av ailable tod ay for home or small office W LAN environme[...]

  • Página 36

    1. La zy Mode: T his device sup port the Lazy Mode to automatically learn the MAC address of W DS peers, you don’t have to input other peer AP's MAC address. However , not all th e APs can be set to enable the L azy mod e simultaneously ; at least there must be one AP with all the W DS peers’ MAC address filled. 2. Gre en A P: Enable the G[...]

  • Página 37

    Regulatory Domain. The factory default setting is auto channel selection. It’ s recommended to c ho ose a channel that is not use d in your env ironm ent to reduce radio interference 4. Wire less Mode: The RF1 module supports 802.1 1b/g/n modes. Y ou can also choose “N only”, “G/N m ixed” or “B/G/N m ixed”. The factory default setting[...]

  • Página 38

    hexadecimal (0, 1, 2…8, 9, A, B…F) digits , or 8 to 63 ASCII characters as th e pre-share key.  WP A 2- PSK Select Encryption mode and enter the Pre-share Key. Y ou can fill in 64 hexadecimal (0, 1, 2…8, 9, A, B…F) digits , or 8 to 63 ASCII characters as the pre-share key. 7. Remote AP M AC 1 ~ Remote A P M AC 4 : If you d o not enable t[...]

  • Página 39

    1. Gre en A P: Enable the Green AP function to reduce the pow e r consumption when there is no wireless traf f ic. 2. Netw ork ID (SSID): Net work ID is used for identifying a W ireles s LAN. Client stations can roam freely o ver this device and other Access Points that have the same Network ID. The f actory default SSID is “default”, you have [...]

  • Página 40

    5. V LAN ID: T his device supports mapping of a SSID to a certain VLAN ID to separate the workgroups across wireless and wired do mains. By default, it is not enables. If you enabled this function, you ha ve to specify a VLAN ID for the wireless network. 6. Max Supported St ations: Y ou can specify the number of ma ximum stations that can associate[...]

  • Página 41

    1. Bea con interval : Beacons are packets sent by a wirele ss router to synchronize wireless devices. 2. T ransmit Power : Normally th e wir eless transmission pow e r operates a t 10 0% out power specification of this device. Y ou can lower down the power ratio to prevent transmissions from reaching beyond your corporate/home office or designated [...]

  • Página 42

    8. AP Isolation: If you enabled multiple V APs in this device, you can further decide whether th e w ireless clients associated to dif ferent V APs can access to each other or n ot. W hen you enabled the AP Isolation function, Each V AP is isolated to the others consequently . 9. TX Rate: For W iFi transmit rat e, you can ch oose “Best” fo r au[...]

  • Página 43

    3.1.3 IP v6 The growth of the Internet h as created a need for more addresses than are po ssible w ith IPv4. IPv6 ( Internet Protocol version 6 ) is a version of the Internet Protocol (IP) intended to succeed IPv4, which is the protocol currently used to direct almost all Internet traffic. IPv6 also implements additional features not present in IPv[...]

  • Página 44

    3.2 Advanced Netw ork This d evice also supports other ad vanced network f eatures f or you to f urth e r manage the device. You can finish the configuration for Firew all, and Management in this section. 3.2.1 Firew all 3.2.1.1 M AC A ddress Control MAC Address Control a llows you to assign different access right for dif f erent u sers and to assi[...]

  • Página 45

    2. Associa tion control : Check " Association control" to enable the control of which wireless client can associate to the wireless LAN. If a client is denied to associate to the wireless LAN, it m eans the client can't se nd or receive any data via this device. Choose "allow" or " deny" to allow or deny th e clie[...]

  • Página 46

    1. E nable SNMP : Enable this Function. 2. S NMP Version: Supports SNMP V1, V2c, and V3. 3. Ge t Community: The co mmunity o f GetRequest that this device will respond. This is a text passw o rd m echanism that is used to weakly authenticate queries to agents of managed netw or k devices. 4. S et Community: The community of SetRequest that this dev[...]

  • Página 47

    accounts. Y ou can specify the account permission as “Read” or “Read/Write” respectively . 6. Use r 1/2 AUTH Mode : Select MD5 or SHA as the m ethod of password encryption for the specified level of access, or to disable authentication. 7. Use r 1/2 Privacy Mode: Y ou can conf igure the SNMP privacy m ode. There are three m odes for you to [...]

  • Página 48

    3.3 System In this section you ca n see system information, system logs, use system tools for system update and do service scheduling and system administration setting. 3.3.1 S ystem Information You can view the System Information in this page.[...]

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    3.3.2 S ystem St at us 3.3.2.1 Web Log 1. Log T ypes : You can select the log types to be collected in the web log area. There are “System”, “Attacks”, “Drop”, and “Debug” types for you to select. 2. Web Log : You can browse, refresh, download, and clear the log messages. 3.3.2.2 S yslog This device also ca n export system lo gs to [...]

  • Página 50

    3.3.2.3 Email A l ert This device ca n also export sy stem logs v ia sending emails to specific recipient s. T he items you have to setup include: 1. Setting of Email a lert : Check if you want to enable Email alert (send syslog via email). 2. SMTP Server: Port : Input the SMTP server IP and port, which a re connected with ':'. If you do [...]

  • Página 51

    Y ou can c h ange t he System P assword here. We strongly recom mend y o u to change the system password for security reason . Click o n “Sa ve” to store your settings or click “Undo” to give up the changes. 3.3.3.2 FW Upgrade If new f irmware is available, you can upgrade device f irmware th rough the W EB GUI here . Press “browse” but[...]

  • Página 52

    3.3.3.3 S ystem Time If new f irmware is available, you can upgrade device f irmware th rough the W EB GUI here . 1. Time Zone : Select a time zone where this device locates. 2. A uto-S ynchronization : Check the “Enable” ch eckbox to enable this function. Besides, you can select a NTP time server to consult UTC time. 3. Sync with Time Server :[...]

  • Página 53

    3.3.3.4 Others In t his s e ction you can do system backup, reset to default, system reboot se ttings a n d ping test. 1. Backup Setting : You can backup your settings b y clicking the “ Back up” button and save it as a bin f ile. On ce you want to restore these settings, plea se click Firmware Upgrade button and use the bin file y o u saved. 2[...]

  • Página 54

    3.3.4 MMI 3.3.4.1 Web UI You can set UI administration time-out duration in this page. I f the v alue is “ 0”, means the time-out is unlimited.[...]

  • Página 55

    CHAPTOR 4 Troubleshooting This Cha pter provides solutions to problems for the installation and ope ration of the W iFi Concurrent 300Mbps Business A P. You can re f er to the fo llowi ng if you are hav ing problems. 1 Why can‟ t I co nfigure the de vice even the ca ble is plugged and the LED is lit? Do a Ping test to make sure that the WiFi Acce[...]

  • Página 56

    installation steps listed below are applicable for all network adapters. 1. Go to Start > Right click on “My Computer” > Properties . 2. Select the Hardware Tab . 3. Click Device Manager . 4. Double- click on “ Network Adapters” . 5. Right-click on Wireless Card bus A dapter or your specific network adapter . 6. Select Properties to e[...]

  • Página 57

    IV. Turn off the W iFi Concurrent 300Mbps B usiness AP and the client, then restart it and then turn on the client again. V. Ensure that the LEDs a re indicating n ormally . If not, m ake sure that the power and Ethernet cables are firmly connect e d. VI. Ensure that the IP Address, subnet mask, gateway and DNS settings are correctly entered for th[...]

  • Página 58

    interference. III. Keep your product away from electrical devices that generate RF noise, like microwaves, monitors, electric motors, etc. 4 What to do if I forgot m y encr yption key? 1. Go back to advanced setting to set up your Encryption key again. 2. Reset the W iFi Concurrent 300Mbps Busines s AP to default setting 5 How to reset to default? [...]

  • Página 59

    Appendix A. Assigning a Static IP in Windo w s PC W hen organizing y ou r local netw ork it’s ea sier to assign each comput er it’s own IP address th an using DH CP. Here we w ill take a look at d oing it in X P, Windows 7, W indow s 8 and W indows 8.1. If you have a home netw ork with several computes and dev ices, it’s a good idea to assign[...]

  • Página 60

    Then when the Network and Sharing Center ope ns, click on Change adapter se ttings . This will be the same on W indows 7 or 8.x. Right-click on your local adapter and select Properties.[...]

  • Página 61

    In the Local Area Connection Properties window highli ght In ternet Protocol V ersion 4 (TCP/IPv4) then click the Properties button. Now se lect the radio button Use the following IP a ddress a nd enter in th e correct IP, Subnet mask, a nd Default gateway that corresponds with your network setup. Then enter your Prefe rred and Alternate DNS serv e[...]

  • Página 62

    you entered. W hen you’re finis hed click OK. Now close out of the Local Area Connections Properties window . W ind ows 7 will run netw ork diagnostics and verify the connection is good. Here we h ad no problems with it, but if you did, you could run the network troubleshooting w i zard.[...]

  • Página 63

    Now you can open the command prompt a nd do an ipconfig to see the network adapter settings have been successfully changed. Windows XP In this example we’re using X P SP3 Media Center Edition and changing the IP address of the Wireless adapter. To set a Static IP in XP right-click on My Network Places and select Properties. Right-click on the ada[...]

  • Página 64

    Highlight Internet Protocol (TCP/IP) and click the Properties button. Now change th e IP, Subnet mask, Default Gateway, and DNS Server Addresses. W hen you’re finished click OK.[...]

  • Página 65

    You will need to clos e out of the Network Conn ection Properties screen b ef ore the changes go into effect. Again you can verify the settings b y doing an ipconfig in the command pr ompt. In case you’re not sure how to do this, click on Start then Run.[...]

  • Página 66

    In the Run box type in cmd and click OK. Then at the prompt type in ipconfig and hit Enter. T his will show the IP address for the network adapter you changed. If y o u h ave a small o ff ice or home network, assigning each computer a sp ecific I P address makes it a lot easier to manage and troubleshoot network connection problems. [Source: H o w [...]

  • Página 67

    Appendix B. Licensin g information This product includes cop yrighted third -part y sof tware licensed under the term s of the GNU Ge neral Public License. Please ref er to the GNU Genera l Public Licen se below to check the detailed term s of this license. The f ollowing parts of this product are subject t o the GNU GPL, and those soft ware pack a[...]

  • Página 68

    GNU GENERAL PUBLIC LICENSE V ers ion 2, June 1991 Copyright (C) 1989, 199 1 Free Software Foundat ion, Inc. 59 T em ple Place, Suite 330, Bosto n, MA 021 1 1 -1307 USA Everyone is perm itted to copy and distribut e verbatim copies of this license docum ent, but changing it is not allowe d. Preamble The licenses for most software are designed to tak[...]

  • Página 69

    1. Y ou m ay cop y and distribute v erbatim copies of the Program's source code as y ou rece ive it, in a ny medium, provided tha t you conspicuous ly and appropri ately publish on eac h copy an appr opriate cop y r ight notice and disclaimer of warranty; k eep intact all the notices that refer to this License an d to the abse nce of any warra[...]

  • Página 70

    4. Y ou m ay not c opy , m odify , sublicense, or d istribute t he Program except as expres sly provided under this License. An y attem pt otherwise to cop y , m odif y , sublicense or dist ri bute the Program is void, and will automatically terminate your rights under t his L icense. However , p art ies who have received copies, or rights, from y [...]

  • Página 71

    1 1. B ECAUSE T HE PROG RAM IS L ICENSED FR EE OF CHARGE, THERE I S NO WARRANTY FOR TH E PROGRAM, TO THE EXTENT PERMITT ED BY A PPLICABLE LA W. EXCEPT W HEN O T HER W ISE ST A TED IN W RITING THE COPYRIGHT HOLDE RS AND/O R OT HER P ARTIES PROVIDE THE PROGRAM " AS IS" W ITHOUT WARRANT Y OF AN Y KIND, EITHER EXPRESSED OR IM PLIED, INCLUDING[...]