Basics of DWDM Concepts

DWDM System Helps Expand the 10GbE Network

Dense Wavelength Division Multiplexing (DWDM) network is regarded as a feasible solution to achieve long-distance fiber expansion. DWDM system, with the channel density of 96, has much narrower channel spacing than CWDM system, which allows extremely high utilization of a single fiber strand to pass up to many clients. 10G DWDM SFP+ modules can support a link length of up…

Eight Factors Influencing Your Fiber Optic Installation Bills

Nowadays more than one third of the popularity have access to the internet. Large enterprises already use the high-capacity fiber-optic access networks, and small- or medium-sized businesses also want to relieve the bottleneck of the copper-based access network and benefit from the fiber-based access network. Nonetheless, costs is one of the factors that small business would take into account. In…

How to Choose the Fiber Optical Solution for Cisco Catalyst 4500-X Series Switch?

We can’t deny the fact that Cisco is one of the most important developers of network devices in the world. They supply a full range of switches including the Nexus, ME, Meraki, Blade, and Catalyst lines. Each of them is designed for unique applications, for example, Catalyst Switches is made for Campus Networks and Nexus Switches for Data Centers. Catalyst…

C3KX-NM-10G Network Module Overview

Questions like whether a 1G SFP can be used on the SFP+ port of the switch and support 10G data rate are frequently asked by overall users. Generally, you will get the answer “no”. Because Most (95+%) SFPs and SFP+s will only run at the rated speed, no more, no less. Even though SFP and SFP+ have the same port…

250um Loose-tube vs. 900um Tight Buffered Fiber

Choosing the right fiber-optic cable has become more challenging than ever. Factors like the advent of new cable designs, suppliers, changes in fiber specifications, and the many claims of cable performance can confuse even the most seasoned network designers. However, the selection of the basic cable design is mostly dependent on the application and installation environment. There are two common…

Introduction to HPE 40G Optics

Recently the increasing network infrastructures are upgrading to 40GbE to ensure better performance, which greatly promote the popularity of 40G optical devices, especially the 40G optical transceivers and 40G QSFP+ cables. 40G optics, featured by its unique specification, are designed to meet different connectivity applications in data center. Telecom vendors like HPE, Cisco, Juniper, Arista are offering all types of…