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…

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…

How Much Do You Know about Multiplexing Technology in Optical Transmission Network?

In optical transmission network, multiplexing technology is considered as an effective means to expand the transmission capacity of existing optical fiber networks. It can increase the transmission capacity of optic fiber in the most cost saving way, so as to quickly meet the increasing demand for high bandwidth. Now, some multiplexing technologies have been widely used and mature in optical…

CWDM Optics: Definition, Types and Standards, Advantages and Applications

With the continuous development of the optical communication industry, CWDM optical module, as a very cost-effective solution for network connection, is widely applied in Gigabit Ethernet and fiber channel applications, etc. However, it seems that there are still people confused about its some knowledge. For example, what is the CWDM optical module? What are the advantages of CWDM optical transceiver?…