Nokia 1830 Photonic Service Switch 32

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…

Uztelecom or Uzbektelecom in Uzbekistan

Uzbektelecom Signs Contract for Optical Network Upgrade Project

Uzbektelecom JSC (Uzbektelecom) plans to modernize its nationwide optical fiber networks in order to enhance the transmission capacities. The contact has been finalized with the Japan-based Toyota Tsusho Corporation (Toyota Tsusho) and NEC Corporation. The opitcal fiber network updgradatin work will be carried out using the funds provided by the Japan Bank for International Cooperation (JBIC), Nippon Export and Investment…

DWDM Networks

DWDM Networks over Long Distance Transmission

With the ever-increasing need for higher bandwidth, DWDM technology has been one of the most favorable optical transport network (OTN) applications. In this post, we will reveal DWDM-based network solutions over various transmitting distances as well as some suggestions for the DWDM networks deployment. DWDM Networks Basics As usual, let’s review some basics of DWDM networks. In this part, we…

Bi-Directional-DWDM-Operation

What Is DWDM?

Internet demand is always growing, especially the hugely popular video streaming services are increasing greatly. This provides a threat to the service provider. As the hottest topic in the telecommunication industry, DWDM offers unprecedented bandwidth which promises an effective solution to the challenges posed by the Internet growth. But what is DWDM, do you really know? What Is DWDM? DWDM wiki…

M-Net use DWDM solution to deliver 500Gbps over a single wavelength

Passive CWDM VS DWDM – Which to choose?

With current industry advancements trend that has equalized costs of transceivers, in a technical battle of CWDM vs DWDM, more advancements are in DWDM. Let’s compare passive CWDM vs DWDM from pure technical application viewpoint: CWDM vs DWDM – Channel Uniformity: As CWDM spectrum for 18 channels spans from 1260nm up to 1620nm compared to DWDM C-band 1530 – 1565…

Dense Wavelength division multiplexing

Why to Use DWDM System in MAN and What Are its Networking Schemes?

On account that DWDM (Dense Wavelength Division Multiplexing) technology can make full use of the huge bandwidth resources of the optical fiber, greatly increasing the transmission capacity of the system and reducing the transmission cost, the technology has been widely used in the large-capacity transmission of long distance network and backbone network. If DWDM technology is introduced into the metropolitan…