Wireless cloud

If you are reading this paper, you probably are looking for on how to set up your new At&t 2wire dsl router. Throughout this document I will be using a 2wire 2700HG-B router, but this how to guide will also apply to other At&t 2wire dsl wireless routers.

The first thing to do when setting up your 2wire dsl router is install the dsl filters into all your wall jacks, where you plan having a telephone. On one of the dsl filters, you should see a dual filter that reads Dsl/Hpna and Phone, on the side that says DSL/HPNA plug a phone cable into this port, then run the other end of the telephone cable into the telephone port on the back of the At&t dsl wireless router.

After you have connected the telephone cable, plug a cat5 cable into port 1 on the router, then connect the other end of the cat5e cable into your pc. Once you have made the connections between your ethernet card and the router, and the router and the dsl filter. Plug in the power adapter into the router, then plug the power adapter into the wall outlet.

Once the 2wire dsl router powers up, you should see a green light next to power, ethernet, and dsl. After you see these lights turn green on your At&t 2wire router, the next that you would do is open Mozilla Firefox or Internet Explorer. Once you open your web browser, you should see a windows that asks you to download the 2wire dsl setup tool.exe.

Once you have installed the 2wire dsl setup tool, the 2wire gateway authentication screen should open, simply select the yes button. Once you have authenticated your 2wire wireless router, you must set a password to your router. I recommend setting a password with upper and lower case, with a few numbers. This password will come in handy if you are trying to change settings on your At&t 2wire wireless router, by typing 192.168.1.254 into your web browser. After you have set a password for your 2wire wireless router, click the next button to begin registering your 2wire wireless router.

After you have registered your At&t 2wire router, read through the agreement then click I Agree button. After you have accepted the agreement with At&t sbc yahoo dsl, you need to create a username and password for your dsl account. To begin setting up your new username and password enter you land line phone number that you have received from At&t.

After you have created your new username and password, there will be another progress screen, then click the finish button. After you have completed the about steps,close down your current web browser and reboot your computer, this will resolve any network problems.

After you computer reboots open you web browser and begin surfing the internet with your 2wire wireless router. If you are interesting in changing router settings, open a web browser and type in 192.168.1.254 into the URL address bar. Once you have clicked the submit button and window resembling the one below should appear. The password that you created earlier for you 2wire router, will be the one you use here when changing setting on your 2wire dsl router.

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Long gone are the days when you have to undergo being off-limits and unreachable as you travel hundreds to thousands of miles by means of jet. A while back nobody thought sending emails while on board a plane could be on the cards. Now, it is not just a target or an aim. Internet connection in airplanes is now among the newest features and add-on services of air carriers.

The big global airlines are now offering Internet access even while planes are flying. Air carriers are entering into deals with wireless Internet access providers to provide online connection to people who are on board. The technology is still a new one, but it is one that is fast gaining recognition. Many passengers have been complaining about not being able to access Internet while on flights. Now, those complaints could be a thing of the past.

Many businessmen hate long-haul trips not because of the boredom and long hours of travel but because they are missing a lot. Some business people prefer to stay on-line even while absent from the office to be able to monitor goings-on in the workplace and to retrieve important data and information. Most of them also want to stay associated via email and online messaging services. Now, no matter how far and how long air travel might get, there is no excuse for not being able to stay online.

While during the 1990s, further improvements in telephone communications was the focus of customer and industry interests, the new millennium has shifted the focus to better Internet access. To date, mobile Internet access has become really popular after being widely deployed particularly at ground level. From there, telecom and air navigation industries are now focused on at offering mobile online connectivity even on a moving plane.

The prerequisite for On-line access while on board airplanes come as modern air travelers acknowledge their necessities to acquire more than the simple voice services they usually get to be able to connect to the world even while on journey. Web access provide more complex information-based services like emailing, virtual private networking, and instant messaging to be able to secure reliable access to corporate networks.

How was it made possible?

The first and initial phases of the effort involved inter-twined ground access wireless towers. But because this strategy does not produce satisfactory and good results, plus there are limitations on long-haul flights, an alternative tactic of online connection was sought. Now, most Internet access providers on flights use different satellite services for online transmission. Through using routers and Wi-Fi connection facilities, airplanes are now made online, anyone with a laptop could log online whenever he wants and needs to.

Is the service costly?

Because the feature is still new in the airline industry, additional charges of about an average $13 is imposed for anyone who voluntarily applies for the service. Most airlines could still not waive the cost and offer the service for free because Internet access through satellite systems is costing them much. It is said that if it wasn’t for the intensifying competition, airlines would not resort to offering Internet access in flights.

However, the usefulness and reliability could not be underestimated. Online access provided by planes is really among the most popular, sought-after, and well-raved about features and services offered by airlines and Internet service providers. Keep your ears open and your eyes peeled for more airlines are projected to jump on the trend and start delivering in-flight Web access.

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Have you purchased a business dsl plan from At&t, which includes 5 static ip addresses and would like to learn how to set them up to avoid paying a $200 charge. The first thing that you are going to want to do is find out what your default gateway ip ip address is on your 2wire dsl router.

The easiest way to find your default gateway is to go to the command prompt program and type in “ipconfig”. You can find the command prompt program by going to the start button -> All Programs -> Accessories -> Command prompt. After the command prompt program window opens, this is where you will type in ipconfig. Once you type in “ipconfig” you will see some results, this is where you will find what your default network gateway. For example my default gateway ip is 192.168.10.

The next thing you have to do is type you default gateway address into a web browser, such as Mozilla Firefox or Internet Explorer. After you type your default gateway ip address into your web browser, you should get the configuration screen on your 2wire router. Once the configuration screen opens, you are going to want to click on the broadband link tab. The broadband link tab is located near the top of the screen.

Once you have accessed the broadband link tab screen, you are going to then click on Advanced option tab located within the broadband link tab. Within the advanced option window, you are going to change your username slightly. What you are going to want to doing is change USERNAME@sbcglobal.net to USERNAME@static.sbcglobal.net. Then click the save button.

After a few minutes your router should be done configuring itself from its normal dynamic ip address to a static ip. What you are going to want to do now is configure your router, so you can assign different static ip addresses to your different network devices. The first thing you are going to do is click on the Home Network tab, located at the top of the screen. You are going to then click on the Advanced option tab located within the Home Network tab. Once you are on the advanced setting page, locate the Bridge Network setting and click enable. For the subnet mask I used 255.255.255.248. After you click save, you are then going to want to click on Edit Address Allocation tab.

Within the edit address allocation settings page you are able to assign different static ip address to your different servers, pc and other networked devices. Once you click save on the edit address allocation tab, you are going to now have to configure each device to receive a static ip address. On a windows based pc, simply go into the cmd prompt window and type in “ipconfig /release” then type in “ipconfig /renew”. If you are using Vista, you are going to have to run command prompt as administrator.

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RF Transceiver

CML Microcircuits, a leading innovator and provider of low-power semiconductors for global communications markets, has introduced a high performance integrated RF quadrature/low IF transceiver IC, which features an advanced image-reject up-conversion modulation system and flexible superheterodyne receiver.
The new CMX991 is designed to meet the global requirements of electronics designers, who are searching for a low cost integrated transceiver device, which offers consistently precise RF signal processing. Specifically tailored for flexible operation from 1GHz right down to 100MHz, the transceiver addresses an area that is not adequately covered by existing devices on the market.

CML’s new RF transceiver IC suits both narrowband and wideband wireless products – up to 2MHz RF channels, including multi-mode analogue/digital terminals, digital software defined radio (SDR) for portable, mobile and base station designs.
Intended applications include APCO Project 25 (Phase 1 and 2), ETSI DMR (TS 102 361), general-purpose wireless data applications and satellite communication systems.

The CMX991 integrates the core functions to implement a high performance RF transceiver subsystem, with I/Q architecture capable of supporting multiple modulation types and bandwidth. Features include excellent intermodulation performance, on-chip 1st mixer, direct access to transmit and receive IF sections and a flexible selection of external components for multi-mode operation.
A low IF output mode is supported in the receiver for designers using ‘Sample at IF’ techniques. The CMX991 provides maximum integration and minimum overall manufacturing BOM cost.

The CMX991 is available now with a quantity guide price of $10.00, operates at 3.3V (1.8V I/O) and comes in a 48-pin VQFN package.
For designers wishing to experiment with the product, an evaluation kit (EV9910B) is readily available from CML.

For a datasheet, application notes and product support information, visit CML: www.cmlmicro.com.

RF Transceiver

Description
The CMX991 is a single-chip, high performance, RF transceiver that provides the core functions required to implement a full-featured radio transmitter and receiver. It operates from 100MHz to 1GHz and its I/Q architecture supports multiple modulation types and bandwidths with a single radio design.
The half-duplex CMX991 integrates Tx modulators, Rx demodulators, IF PLL and IF VCO subsystems to minimise the external circuits needed when implementing a complete transceiver.
User-selected modes suit different application requirements.

The Tx path includes an I/Q modulator to accurately generate modulation at the IF frequency, which may then be translated to the final RF frequency by an integrated image-reject up-converter system.
The I/Q modulator IF output is also made available for conversion to RF via external circuits, if desired.

The Rx path includes an integrated 1st Rx mixer having two outputs to support two external 1st IF filter choices, then an integrated 2:1 input MUX followed by VGA and wideband signal level measurement functions, to support AGC implementation.
The 1st IF signal is then either I/Q demodulated to Zero-IF or mixed to a Low IF output.
The CMX991 provides differential and single-ended Rx output options and differential amplifiers for flexible signal conditioning.

The CMX991 can be used where highly linear modulations are being used, for example: applications such as TETRA, where a typical transmitter solution would include the CMX998 Cartesian Feedback Transmitter.

New application note facilitates operation of the CMX991 below 100MHz.

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