PTCL Deploys Nokia Solutions to Expand Network Capacity

Pakistan Telecommunication Company Limited (PTCL) has deployed Nokia’s technology to expand the capacity of recently installed 100G transport networks to 200G optical networks for both domestic and international traffic. This capacity expansion has been carried out in the major cities of Islamabad, Lahore, and Karachi to keep pace with the growing demands of capacity created by ever-increasing consumption of broadband…

Liquid Telecom Deploys Terrestrial Fiber Link to Connect East and West African Countries

Liquid Telecom has launched the fastest direct terrestrial fiber link connecting East and West African countries. This breakthrough coast-to-coast digital corridor follows the completion of Liquid Telecom’s new high-capacity fiber link running 2,600-kilometre (km) across the Democratic Republic of Congo (DRC). Africa was in need of a direct east to west telecommunications backbone. Liquid Telecom has achieved what African states…

Indonesia Announces Completion of East Palapa Ring Project

Indonesian Government authorities on Monday, 14 October 2019 announced the completion of its ambitious fiber optic project (Palapa Ring Project) to connect the under-developed regions of the country’s east, including the restive region of Papua.

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…