CWDM and DWDM Networks Which is best for you?
19/06/2019
Wavelength-division multiplexing (WDM) has become increasingly popular in fiber-optics communications as it allows transmission of multiple signals onto a single optical fiber. WDM enables bidirectional (BiDi) communication over one strand of fiber by sending signals utilizing different wavelengths that can be spaced apart. WDM systems are very popular in the telecommunication industry because it allows networks to expand their capacity without laying more fiber. In addition, the capacity of a link can also be expanded by upgrading the multiplexers and demultiplexers at each end of a link. Currently there are two common types of WDM technology, CDWM and DWDM. CWDM (coarse wavelength division multiplexing) and DWDM (dense wavelength division multiplexing) are based on the same concept but differ in a number of areas such as spacing of the wavelengths, number of channels, transmission distance, power requirements, and price.
Wavelength Spacing & Number of Channels
One of the key differences of CWDM versus DWDM is the spacing that each uses to separate the signals they carry. CWDM provides up to 18 channels with different wavelengths, each channel is spaced exactly 20nm apart. CWDM technology features a much wider channel spacing than DWDM. DWDM technology is capable of 40, 80, or up to 160 wavelength channels with a spacing of 0.8/0.4nm apart.
Transmission Distance
DWDM technology is capable of transmitting long haul distances by keeping wavelengths tightly packed. CDWM systems are capable of transmitting at a distance of up to 160km (100 miles). CWDM's distance limitation is due to the fact that the wavelengths it carries are not amplified. DWDM connections however can be amplified thus it is able to span much longer distances.
Power Requirements
CWDM systems use an uncooled distributed-feedback laser while DWDM systems use a cooled distributed-feedback laser. The difference between having a cooled versus uncooled laser means that DWDM consumes much more power than its uncooled counterpart (CWDM). The coolers along with auxiliary components consume approximately 4W per wavelengths while an uncooled laser consumes about 0.5W of power. Although it requires more power, cooling lasers which adapt temperature tuning aids in ensuring better performance, better safety, and a longer lifespan for DWDM systems.
Costs
DWDM system prices are commonly four or five times higher than CWDM systems. The higher cost of DWDM can be attributed to the fact that it requires cooled temperature-controlled lasers. The manufacturing wavelength tolerances for DWDM lasers are also a key factor, DWDM laser tolerances are 0.1 nm, while tolerances for CWDM laser die are 2-3 nm. Lower die yields lead to higher costs for DWDM lasers.
If you have any questions about CWDM or DWDM transceivers, contact us at info@vitextech.com. Vitex carries an extensive portfolio of xWDM transceivers.
LINK: | http://vitextech.com/cwdm-and-dwdm-networks-which-is-best-for-you/... |
See more stories from vitextech |
Most recent headlines
04/08/2024
Dalet Appoints Santiago Solanas as CEO to Lead Next Era of Growth and Innovation
Dalet, a leading technology and service provider for media-rich organizations, is excited to announce Santiago Solanas as its new Chief Executive Officer (CEO)....
03/06/2024
Dalet and Veritone Reach Agreement to Distribute, Transact and Monetize Media Archives
Dalet, a leading technology and service provider for media-rich organizations, a...
28/04/2024
Mediahaus delivers the first SRT live-streaming sports production over 5G with URSA Broadcast G2
Mediahaus delivers the first SRT live-streaming sports production over 5G with U...
26/04/2024
CBS Sports Launches New Free Streaming Channel
CBS Sports has launched Champions League as a new, 24-hour streaming channel that will serve as the year-round destination for nonstop highlights of the UEFA ...
26/04/2024
Roku Streaming Homes Hit 81.6M
Despite tough competition in the streaming space, Roku reported solid results in Q1 2024, beating revenue expectations, with total net revenue up 19% YoY to $88...
26/04/2024
Sarah Farrell Named General Manager Of Pinewood Toronto Studios
LONDON AND TORONTO Pinewood Toronto Studios has appointed Sarah Farrell as general manager of the Studios in downtown Toronto....
26/04/2024
Quantum to Offer Advanced Filesharing Technology and Performance in StorNext and Myriad Solutions
Quantum to Offer Advanced Filesharing Technology and Performance in StorNext and...
26/04/2024
FilmLight Colour Awards welcomes 2024 entries and introduces new Emerging Talent' award
FilmLight Colour Awards welcomes 2024 entries and introduces new Emerging Talen...
26/04/2024
Picture Shop Announces Chris Evans as Head of Unscripted
Picture Shop Announces Chris Evans as Head of Unscripted Brie Clayton April 26, 2024 0 Comments Picture Shop announced Chris Evans will lead Unscripte...
26/04/2024
Participate in a Survey - The Impact of AI on Media and the Creative Industry
Participate in a Survey - The Impact of AI on Media and the Creative Industry Pascal Wagner April 26, 2024 0 Comments By participating in this survey,...
26/04/2024
Hi Barbie! Mattel Launching First FAST Channels on Samsung TV Plus
Toy maker Mattel said it is working with Samsung to launch its first free ad-supported streaming television (FAST) channels later this year....
26/04/2024
Marty Moe Named President Of Trusted Media Brands
Trusted Media Brands (TMB) said it named Marty Moe as president....
26/04/2024
Ron Howard Directs Jim Henson Documentary for Disney Plus
Ron Howard is the director on Jim Henson Idea Man, a documentary that premieres on Disney Plus May 31. Henson of course created Kermit the Frog, Miss Piggy, Big...
26/04/2024
Kraken Skate Away From RSN Root Sports for Deals With Tegna, Amazon
The ice continues to melt under the regional sports network business as the Seattle Kraken of the National Hockey League have made a long-term deal to broadcast...
26/04/2024
Warner Bros. Discovery Launches Olli First-Party Data Platform
Heading into the upfronts, Warner Bros. Discovery said it launched Olli, a first-party data platform advertiser can use for converged, targeted advertising camp...
26/04/2024
The Equalizer' Gets Season 5 on CBS
CBS has renewed the drama The Equalizer, which will see season five on in 2024-2025. Queen Latifah stars....
26/04/2024
The CW Inks New Deal for Miss USA, Miss Teen USA
The CW has entered into an exclusive multiyear broadcast partnership for the Miss USA Pageant and the Miss Teen USA Pageant. The 73rd Miss USA Pageant will air ...
26/04/2024
Fuse Urging Young Viewers To Vote With Blunt Campaign
Fuse Media isn't mincing words in a campaign urging its young viewers to register and participate in the 2024 elections....
26/04/2024
Neil Gaiman's Sandman' Universe Expands With Dead Boy Detectives'
Dead Boy Detectives, a series from Neil Gaiman about a detective agency staffed by ghosts, debuts on Netflix April 25. George Rexstrew and Jayden Revri are in t...
26/04/2024
The Story Collective opens largest film and TV studio in the heart of London
The Story Collective has gradually repurposed the former Mortlake Brewery to include production offices, workshops and sound stages By Matthew Corrigan Publi...
26/04/2024
Richard Perkett joins Amagi as chief product officer
Perkett joins the company following a 25 year career in product management, product marketing, engineering and user experience (UX) across multiple industries ...
26/04/2024
Teradek Announces Smaller More Robust Built-in Antennas f...
Teradek, the industry leader in wireless video transmitters and receivers, announced today the launch of new Bolt 6 LT 750 and Bolt 6 Monitor Module 750 RX with...
26/04/2024
Amagi Names Richard Perkett Chief Product Officer
NEW YORK Amagi has appointed Richard Perkett chief product officer (CPO)....
26/04/2024
NAB Board Election Results Announced
WASHINGTON, D.C. The National Association of Broadcasters (NAB) has announced the results of the 2024 NAB Radio and Television Board of Directors elections. The...
26/04/2024
Mattel to Launch First FAST Channels on Samsung TV Plus
EL SEGUNDO, Calif. & NEW YORK Mattel has announced a deal to launch its first three 24/7 free ad supported streaming (FAST) channels on Samsung TV Plus, Samsung...
26/04/2024
NextGen TV Launches In Portland, Maine
PORTLAND, Maine Viewers here can now receive the NextGen TV signals of five local stations with the launch of ATSC 3.0 service from host station WPFO, which is ...
26/04/2024
Rogers Inks Agreement to Deploy Comcast's Products and Technologies
TORONTO Rogers Communications has signed a 10-year agreement with Comcast to bring the latest Xfinity products and technology to Canadians....
26/04/2024
Calrec scoops third Argo win with NAB Show Product of the...
Calrec is very pleased to announce the benefits of its highly flexible approach to customer service has been recognized with a third award for the Argo range. T...
26/04/2024
New Adobe Photoshop with Advanced Generative Fill and Generate Image Brings New Superpowers to All
New Adobe Photoshop with Advanced Generative Fill and Generate Image Brings New ...
26/04/2024
Trends And Takeaways From NAB Show 2024
Trends And Takeaways From NAB Show 2024 Melanie Ciotti April 25, 2024 0 Comments NAB's Eric Trabb (right) awards SNS with two NAB Show Product of ...
26/04/2024
Sony's Ci Media Cloud Keeps NHRA Moving
Sony's Ci Media Cloud Keeps NHRA Moving Brie Clayton April 25, 2024 0 Comments Cloud-Based Media Asset Management and Collaboration Platform Accel...
26/04/2024
2024 Emerging Leaders Internship Program Open for Applications, Deadline May 31st
Capitol Broadcasting & Leadership Triangle Collaborate for Third Year Capitol B...
26/04/2024
MIX 101.5 Launches New YouTube Shows
The staff at CBC Radio have been hard at work creating several new features for listeners and viewers. Several debuts are taking place this spring. I have nev...
26/04/2024
Skeem Saam' May Spoiler: Has Lehasa killed Khwezi?
Skeem Saam' May Spoiler: Has Lehasa killed Khwezi?The Skeem Saam' May teasers mention Lehasa being apologetic about killing someone. Is it his baby mam...
26/04/2024
Skeem Saam: Thursday's episode, 25 April 2024 [video]
Skeem Saam: Thursday's episode, 25 April 2024 [video]Missed an episode of Skeem Saam? No problem! Watch the latest episode of your favourite South African s...
26/04/2024
Prison Journalism: Some issues to consider
Prison Journalism: Some issues to considerWesley Leong was incarcerated at the age of 15 in 1996 at Pollsmoor Prison. He is currently part of Restore's rese...
26/04/2024
Tonight on Scandal: A line is crossed and a mother starts to lose focus
Tonight on Scandal: A line is crossed and a mother starts to lose focusDon't miss Friday, 26 April's riveting episode of South African soapie Scandal! o...
26/04/2024
Ross Video Unveils Raiden: An All-New Data-Driven Weather Graphics System
Powered by XPression, the world's fastest-growing real-time motion graphics engine, Raiden combines data gathering, processing, and visualization tools to t...
26/04/2024
The Real-Time 6-to-12-String Guitar Converter
By Craig Anderton With this technique, when you play a standard 6-string electric guitar, you'll hear the rich, vibrant sound of a 12-string guitar. The pr...
25/04/2024
Inside the Archives: Highlighting the Importance of Preservation for the Festival's 40th Edition
Sundance Institute Founder Robert Redford during a press conference at the 1996 ...
25/04/2024
SNS Dealer Of The Year Awards: See The Full List Of Winners
alt= class=wp-image-12361 data-lazy-src=/wp-content/uploads/2024/04/NAB-booth-2024-960x540-1.jpg/> Set against a vibrant backdrop of innovation and collaboratio...
25/04/2024
Trends And Takeaways From NAB Show 2024
alt= class=wp-image-12356 data-lazy-src=/wp-content/uploads/2024/04/NAB-mod-win-960x540-1.jpg/>NAB's Eric Trabb (right) awards SNS with two NAB Show Product...
25/04/2024
Peacock Subs Jump 55% YoY to 34M in Q1 2024
PHILADELPHIA Comcast beat earnings estimates in its Q1 2024 financial report, as streaming losses continued to decline and Peacock's paid subscribers spiked...
25/04/2024
Seattle Kraken Inks Deals with Tegna and Prime Video
SEATTLE The Seattle Kraken have inked new multi-year agreements with Tegna and Prime Video that will expand access to their games over broadcast stations and st...
25/04/2024
Opinion: charting a cloud driven future
M2A Medias Matt Hughes asks, is it time for news broadcasting to shift to the cloud? By Contributor Published: April 25, 2024 M2A Media's Matt Hughes ...
25/04/2024
Cintel Scanner G3 HDR+ Restores Egypt's Cinema Treasures to Their Former Glory
Cintel Scanner G3 HDR Restores Egypt's Cinema Treasures to Their Former Glo...
25/04/2024
Sinclair Names Kevin Coskren Chief Meteorologist at KTUL Tulsa
Sinclair Broadcast Group said it named Kevin Coskren chief meteorologist at KTUL, its ABC affiliate in Tulsa, Oklahoma....
25/04/2024
Attend The Business of TV News Event in D.C. on May 2
The Business of TV News, a new one-day event featuring Martha Raddatz, Shannon Bream, Glenn Kirschner and other major figures in television news, happens at Hot...
25/04/2024
Problematic FCC Conditions On Station Sale Could Create Detroit Drama
Conditions put on the proposed sale of WADL Detroit, to Mission Broadcasting have created a potential drama in the Motor City....
25/04/2024
TelevisaUnivision 1Q Loss Widens But DTC Business Expected To Turn Profit in Second Half
TelevisaUnivision reported a $52 million loss in the first quarter, up from $3 m...