Which Is Better for 80km Links? PAM4 or Coherent Technology

A significant portion of Data Center Interconnections (DCIs) and telecom router-to-router interconnections rely on simple ZR or 80km transceivers. The former is mostly based on 100Gbps per 100GHz ITU-T window C-band DWDM transceivers, while the latter is mostly 10G or 100G grey wavelength transceivers. In DWDM links, the laser wavelength is fixed to a specified grid, so that with DWDM…

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Tender for Red Troncal Will be Relaunched in February

Telecomm to Relaunch Fiber Network Tender in February 2019. Mexican telecommunications provider, Telecomm will relaunch the country’s ambitious but delayed tendering process to deploy fiber-optic networks nationwide. Mexico’s National fiber-optic project known as “Red Troncal” was planned for last year October, but due to delayed process, postponed to relaunch in early 2019. Mexico’s President Andrés Manuel López Obrador announced the…

Photo of a train traveling through a paddy field with a bunch of fiber optic cables emerging from the edge of the photo

Azer Telecom to Build Backbone Network for Railways

Azer Telecom signs an agreement with Azerbaijan Railways to construct the backbone fiber optic network along the rail network. Railway department will utilize this network for automation and modernization of signaling and monitoring of railway networks throughout the country. AzerTelecom is the subsidiary of the country’s first mobile operator, Bakcell. Azer Telecom was established in 2008 to focus on the…

a picture of earth illuminated with the light coming out of optical fibers and fiber optic cable

ITU-T Introduces Multi-Vendor Interoperable Standard for 100G Coherent Transmission

ITU today announced that its standardization experts have accomplished a major feat of engineering in the delivery of multi-vendor interoperable 100G DWDM coherent line interfaces. The achievement of ITU experts to create a standard for multi-vendor interoperability is an industry first. The standard interfaces will accelerate industry innovation to achieve greater capacity in metro networks. This is the first 100G…

Infinera ICE4 Optical engine

Telstra Starts to Upgrade Submarine Communication Capacity

Australian telecommunication service provider, Telstra started a project to upgrade its existing submarine cable capacity using Infinera’s fourth generation ICE4 optical engine. This is a major upgrade to the operator’s network services in the Asia-Pacific region. Infinera solutions will add more capacity to the optical fibers. Telstra said that the capacity improvement is a significant change in services offered to the customers in the Asia-Pacific, which…

map of Germany

Telekom Upgrades Broadband Speeds in 227 Municipalities

In an attempt to reduce the digital divide between cities and villages, German Telecommunication service provider Deutsche Telekom has upgraded the broadband speeds in 227 villages all over the country. Increased speeds of up to 100Mbps could be accessible by 241,000 households. Deutsche Telekom makes use of its fiber-optic network to deliver broadband services to its subscribers. Telekom offers broadband…