To get started viewing OTDR Traces, click on the OTDR menu link on the top of the page to center the OTDR on the screen then click the 'Add Traces' button. You can select one or more traces from your local file system by highlighting the traces in the file browser and clicking open.

If you don't have any OTDR traces and still want to use the Online OTDR we have provided a number of sample OTDR traces you can download and use. Access these from the 'Sample OTDR Traces' button, select the traces you want. Once downloaded, you can open them as decribed above.


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When it loads the Onlne OTDR is in Zoom Mode and Display from Origin. This means the trace is anchored on the screen at 0Kms / 0dB (Display from Origin) and when you click and drag your mouse on the trace panel it will scale (Zoom) the trace panel display and any visible traces. Drag up and down for dB zoom in and out and drag left and right for distance zoom in and out.

To change to Pan Mode, click the Zoom / Pan Mode button and select Pan. Now when you drag the mouse on the trace panel the trace display will move left / right and up / down with your mouse but the trace display scale doesn't change.

To view the trace event table, load and display the trace as describe above then select the desired trace in the top Trace Info pull down menu that all displays the trace details relative to the A and B cursors.

Fiber Trace Viewer is very useful and easy-to-use software package especially designed for measuring the time response on optical fiber networks. Using this piece of software, you will be able to easily manage and maintain networks based on optical fiber.

It features many measurement tools like time domain reflectometer, polarization mode dispersion, chromatic dispersion, optical spectrum analysis and optical return loss. These tools prove to be particularly useful for companies and small businesses and will save precious time when it comes to the maintenance of office networks.

Fiber Trace Viewer comes in handy to network administrators that are dealing with networks based on optical fiber, yet the measurement tools integrated by this utility can also be used by non-experienced users. This piece of software comes with advanced analysis tools, as well as features for archiving trace information, making it a must-have application for every network administrator. Two of the key features of the application are the bi-directional analysis and the automatic PMD, CD, OTDR and DWDM trace analysis.

This is a software designed to exhibit a subset of the functionality found in Anritsu NetWorks/OTDR software. TraceView uses the concept of a trance list to organize trace files. A trance list allows you to group and organize trace files in a customized manner. Anritsu TraceView works on Windows.

This short video explains how to use a ODTR trace viewer called Traceview to view trace files. This is a basic tutorial which shows the steps required to view a OTDR traces. It demonstrates how to add traces, set up the screen view, scaling the display range, setting A and B cursor locations and selecting loss modes.

Scratches and stains to optic fiber ferrule endfaces are often said to have a negative impact on transmission quality.The OPTION-545VIP can be connected to an MT908x Series ACCESS Master, MT9090A Network Master Series product and PC, to show the state of a ferrule endface.This function is effective for determining whether a ferrule endface is clean, and whether connector replacement is necessary due to connector scratches.

This application note is targeted at field service personnel, specifically those who install or maintain fiberoptic transmission lines, who wish to fully maximize the application of NetWorks 1.18 for fiber traces.

Include inspection images in reports: FlexReports software allow integration of fiber inspection images from the FOCIS family inspection products to be included in customized test reports. FlexReports supports Bellcore/Telcordia .SOR file formats.

The Fiber Module Viewer is the perfect addition to your database map management system. The Fiber Module Viewer allows you to provide cost effective access to your database for everyone who can benefit from the wide variety of reports and information available. All of the reporting and viewing functions that are available in the full version of the Fiber Module are also available in the Viewer. In addition to the ability to view and report on the database you will also have access to the batch plotting routine as well as all of the fiber tracing functions, including the OTDR trace. The only limitation is that you cannot change or update the data. Below is a list of some of the major features in the Fiber Module Viewer.

Fiberizer Desktop allows post-processing of saved results from fiber optics measurements. In this regard, the program supports opening various types of files, including SOR files (for OTDR traces), JPG (for fiberscope measurement results) and OXLTS (for optical loss measurement results).

Fiberizer Desktop has a neat and modern interface, which is composed of various parts and panels that allow managing data and visualizing the results simultaneously. There is the possibility of browsing your data collection, uploading and searching for files and managing report templates. Besides, you can preview or edit measurement results and perform various operations such as analyzing traces and working on reports. There is also a section where you get information related to events, properties, analysis and summary on different tabs. Finally, in addition to the toolbar, there is the menu from which you can access additional commands.

Besides post-analyzing traces and records, Fiberizer Desktop is also useful in retaining and finding links for bidirectional measurement results, which fortunately works even if the source data is not uploaded correctly. Likewise, the tool can establish links between OTDR traces and other similar results. more

All in all, Fiberizer Desktop is a must for experts in telecommunications needing to analyze fiber optics measurements. In addition to this free version, which its developers call 'Classic', there is also a Plus version.

A representative volume rendered 3D MR image to visualize the conduction paths and anatomical features in an isolated heart. A red line and a green arrow in a red box indicate where sectioning occurred and viewer was located to perform the volume rendering. Note that free-running Purkinje fibers in the left ventricular cavities, a left bundle branch (yellow arrows) in ventricular inner wall, a right bundle branch (cyan arrow) and right bundle (right, yellow circle). LV: left ventricular cavity, RV: right ventricular cavity, leaflets of the mitral valve, FW: free wall, P: papillary muscle, I: ventricular interseptum.

Representative images of the free-running Purkinje fibers that show septal attachment from the ventricular cavities. A volume rendered image (left), neurofilament stained image (middle), and the primary eigen vector map (right).

Polygonal reticular free-running Purkinje fiber network in the LV cavity. A magnified volume rendered MR image (left, yellow is manually segmented with visual inspection) and an optical image of Acetylecholine esterase staining (right, unfolded).

Athletics Breeds Belligerence

Short Takes


Books Received

Athletics Breeds Belligerence 


Americans' blind acceptance of the value of school sports costs us dearly

Lessons of the Locker Room: 

The Myth of School Sports

Andrew W. Miracle, Jr. '67 

and C. Roger Rees

Prometheus Books, $26.95

In the hurly-burly of the 1992 presidential campaign, when Ross Perot pointed out a link between our national commitment to youth sports and our education crisis, he put his finger on a disturbing truth: Americans care more about sports than education. Most communities would fight till death to fund athletics, Perot observed, while neglecting science, math, the arts, and other essentials of an educated nation.

How we developed such priorities is one of the themes of the carefully reasoned book Lessons of the Locker Room: The Myth of School Sports, by Andrew W. Miracle, Jr. '67, an anthropology professor at Texas Christian University, and C. Roger Rees, a physical-education professor at Adelphi University. The authors trace the origins of our obsession with youth sports and our tenacious conviction that sports build character and keep kids in school and out of trouble. Miracle and Rees argue, however, that no scientific evidence supports these claims.

The notion that sports build moral fiber was first fostered by British upper-crust schools and then adopted by their elite New England counterparts in the mid-19th century. The physical activity of team sports became permanently allied with moral worth. In short, British and American headmasters used organized sports to socialize their boys into the dominant values of the ruling class.

In the late 1800s, organized sports were introduced into American public schools as a way of integrating an unprecedented influx of immigrants into society, write the authors. In the big eastern cities, social reformers promoted groups like the YMCA and the Public School Athletic League to "Americanize" children of foreign-born workers and the working class.

Here, however, the reverence for sports took on an American twist. Whereas the British system emphasized style and attitude as the final goal-"play up and play the game"-Americans focused on winning at all costs. "All other things being equal, if you win, you are morally better than your opponent," write Miracle and Rees. By 1900, school sports and winning had become an unquestioned part of the American scene, and public-school athletic events became small-town America's principal form of entertainment and community pride.

The current connection between sports and schools was forged, Miracle and Rees argue, at a time when American industry needed a compliant, unthinking work force. Now that the global economy has changed, the authors state, American effectiveness is being seriously challenged by nations that don't spend large amounts of time in organized sports.

More than that, Miracle and Rees uncover proof that sports are detrimental to character. One researcher looking at six studies of sportsmanship in young athletes concluded, "athletes tend to be less sportsmanlike than nonathletes," and " 'major' sport athletes were less sportsmanlike than 'minor' sport athletes." One of the most disturbing studies cited by the authors looks at Canadian children who play hockey. "The longer boys are involved in youth hockey, the greater they accept the importance of cheating, the more they feel that violent behavior is legitimate and expected by the coach, and the more they are likely to use illegal tactics."

As for staying in school and off drugs, there is no evidence that athletes do better than nonathletes, and the notorious connections of sports with alcohol, steroids, and drugs do more to encourage deviant behavior than to prevent it.

Miracle and Rees believe that our blind acceptance of the value of sports is costing us dearly. The modern work environment requires cooperation, sharing, and personal inventiveness, not the belligerent attitudes developed by some youths through sports. Their argument leads us to wonder what would happen if we had a similar obsession for math or science or the arts?

The authors don't disparage all athletic endeavors; clearly, certain athletic experiences can complement educational goals. Sports such as soccer and squash encourage fair play and nimbleness of mind. "If communities are really serious about using athletics as a means of developing character," the authors conclude, "they will have to put pressure on their local school board to provide qualified coaches who can develop programs that teach children about ethical dilemmas in sport and provide counseling on how to make moral decisions."

Lessons of the Locker Room substantiates the concerns of many educators about our national priorities and goes beyond superficial observation to make a bold indictment. Not only are we falling behind other countries in training a modern work force, but our current attitude toward youth sports reflects a deep misunderstanding of educational needs that is squandering our greatest national resource: the potential of our children.

-Selden Edwards '63

Selden Edwards, the secretary of the Class of 1963, is an independent-school teacher and headmaster of long standing. He wrote "Reflections of a Scrubby Gun," in the February 8 PAW.

Short Takes 

Class Action: How to Create Accountability, Innovation, and Excellence 

in American Schools

John Katzman '81 and Steven Hodas

Villard Books, $22.50

The first step to John Katzman '81's and Steven Hodas's proposal for recon-ceptualizing schools is believing that students are not customers but the "products" of high schools which are "sold" to colleges and businesses. As president and former key staff member, respectively, at The Princeton Review, they intelligently describe what is wrong with our school system and how to fix it in Class Action: How to Create Accountability, Innovation, and Excellence in American Schools. Schools are accused of failing to teach students how to read, write, and think, the authors observe, yet public schools were originally modeled on 19th-century factories and were designed to subdue and instill morals in the poor. The solution to the nation's education mess, the authors propose, is to adopt Multiple National Curricula, which closely ties testing with course coverage and gives teachers the freedom to develop techniques to meet national "performance specifications" for students. The authors offer a surprising way to launch this program without involving politicians, which almost gives you hope that it could happen.Frontiers: The Diary of 

Patrick Kelly, 1876-1944

Otis Carney '43

General Publishing Group, $22.95

From Patrick Kelly's first murder, when he kills his master in Ireland out of revenge for his sister's rape, we know that the hero of Otis Carney '43's 12th novel, Frontiers: The Diary of Patrick Kelly, 1876-1944, is a character who isn't going to shy away from danger. In Forrest Gump-like fashion, Kelly swashbuckles his way through every major conflict in U.S. history, from the battle at Wounded Knee to Chicago's Haymarket riot. He is the stereotypical good soldier-loyal, brave, honest, and loved by all women. Machismo drips off every page. In between all the loving, Kelly meets many historical figures, from Geronimo and General Per-shing to Teddy Roosevelt and Amelia Earhart. Ironically, Carney manages to glorify war and decry it at the same time. There is no reward in fighting, you only do it for the "comrades of your unit, your troop. It's for your men you fight." Every rumor about treachery in U.S. history, including Churchill's supposed foreknowledge of Pearl Harbor, is confirmed by Kelly, who was there, of course. Although the diary is unbelievable at times, the sheer ambitiousness of Frontiers and the pluckiness of Kelly keep you reading to the end.Media Virus!: Hidden Agendas 

in Popular Culture

Douglas Rushkoff '83

Ballantine Books, $21.95

Reading Douglas Rushkoff '83's book can make you feel out of touch or completely with it, depending on your age. Rushkoff describes our high-tech society as a "datasphere" in which events like the Willie Horton ad are media viruses that contain ideological codes or "memes" that attach to us. "Like real genetic material, these memes infiltrate the way we do business, educate ourselves, interact with one another-even the way we perceive reality," Rushkoff suggests. He believes a new generation has become sophisticated media manipulators. He argues that remote controls, faxes, computer networks, call-in radio, and 800 numbers have empowered people (like the individual who videotaped Rodney King's beating) to send out their own messages. Television is also empowering, he argues optimistically. If you can't see that Beavis and Butt-head teach viewers how to inflict their will on TV, or that kids' TV is a primer on living in "cut-and-paste reality," then turn to Media Virus! to get infected by Rushkoff's perspective on the modern mediascape.

-Jennifer Gennari Shepherd

Jennifer Gennari Shepherd is a freelance writer living in Princeton, New Jersey.

Books Received 

Philo Fortune's Awesome Journey 

to His Comfort Zone

Julian F. Thompson '49

Hyperion Books for Children, $16.95Where the Wind Takes Me

H. Fairfax Conquest '50, M.D.

Orders to DRINK A POEM, Box 7223, Richmond, VA 23221. $9.95 paperFrom the Perspective of the Self: Montaigne's Self-Portrait

Craig B. Brush '51

Fordham University Press, $32.50Romania Versus the United States: Diplomacy of the Absurd, 1985-1989

Roger Kirk '52 and Mircea Raceanu

St. Martin's Press, $45Managing Diversity in Organizations

Robert T. Golembiewski '54

University of Alabama Press, 

$25.95 paperThe Hudnut Years 

in Indianapolis, 1976-1991

William H. Hudnut III '54

Indiana University Press, $24.95

paw@princeton.edu


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