Top articles
-
Good Forecasts for Global Optical Fiber Cable Market
An optical fiber cable uses light wave for voice and data transmission, its data transmission capacity is 4.5 times more than conventional copper cables. So in the past several decades, we have seen that fiber optic cables are superior to traditional...
-
Will CPAK 100G Transceiver Module Thrive in 2017?
Currently, prices on 100G optical transceivers have been dropping faster than those devices at 40G, which drives customers to migrate to 100G directly instead of turning to the intermediate 40G Ethernet. For example, QSFP-40G-SR-BD ($300) costs higher...
-
24-Port Gigabit Switch Selection
An Ethernet switch acts as a bridge to connect different parts of a network together. Although many routers also possess the network switching capabilities and multiple Ethernet ports, the Ethernet switch is not the replacement for routers. It is worth...
-
What Are OM1, OM2, OM3 and OM4 Fiber Patch Cable?
Fiber optic cable can be divided into several types. Usually we see single-mode and multimode fiber types available on the market. Multimode fibers are described by their core and cladding diameters. The diameter of the multi-mode fiber is either 50/125...
-
Several 100G DWDM Solutions for Arista 7500E Series
To keep up with the global demand for higher bandwidth, Arista has designated 7500E series switch to address 100G long-hual dense wavelength division multiplexing (DWDM) connectivity. Arista 100G interconnect solution combines Layer 2/Layer 3 switching,...
-
How to Pick the Ethernet Cable for Your Home Network?
It is a pretty expensive process to set up a home network since you need to purchase all the related devices (router, switch, modem, Ethernet cables and so on) and hire a seasoned optical technician to do the cabling job. But bear in mind that there is...
-
SFP-25G-SR & SFP-25G-LR SFP28 Optical Transceivers for 25G to 100G Migration
25G Ethernet was treated as the “new” 10GbE technology once it came out in 2014. Similar to 10G Ethernet that was based on 1 x 10Gbps lane scheme, 25GbE physical interface delivers 1 x 25Gbps more data. 25GbE technology with one single lane obviously...
-
TP-Link 8-Port TL-SG1008D Desktop Switch
Ethernet switch usually acts as a hub that connects network devices and segments together while having the intelligence to send data where it needs to go. There are both managed and unmanaged switches. Managed switch as the names implies, can be programmed,...
-
The ABCs of Tunable SFP+ & Tunable XFP DWDM Optics
Tunable XFP transceiver and tunable SFP+ transceiver are the hot-swap DWDM Tunable optics used in 10Gbps SONET/SDH, Fibre Channel and Gigabit Ethernet applications. Tunable DWDM transceiver is a unique device which allows customers to set the channel...
-
Introduction to Semiconductor Optical Amplifier (SOA)
Optical amplifier, with the introduction in 1990s, conquered the regenerator technology and opened doors to the WDM technology. It is mainly used to amplify an optical signal directly, without the need to first convert it to an electrical signal. There...
-
Mikrotik Vs Ubiquiti – Which One is Better for Home Network?
Ubiquiti Networks and Mikrotik were the rising stars in telecom field for the past year and a half, I have heard various fiber optic technicians telling me that Ubiquiti is better suited wireless applications while Mikrotik is excellent at what it does...
-
How to Choose Fiber Optics for Mellanox ConnectX Ethernet Adapter Cards?
Mellanox ConnectX Ethernet adapter card provides high-performance networking technologies by utilizing IBTA RoCE technology, delivering efficient RDMA services and scaling in ConnectX-3, 4, 5, 6 EN 10/25/40/50/56/100/200GbE connection. The Mellanox ConnectX...
-
The Truth About OS1 and OS2 Optical Fiber
Several years ago, OS1 fiber optic cable was the only one standard for single-mode fiber with the maximum link length for campus cabling around 10km, but 10km can no longer satisfy people’s increasing needs nowadays. Therefore, OS2 fiber that can support...
-
An Eye on the Copper Patch Panels
Are you tired of messy network? As the world embraces the increasingly faster data-rate network, IT managers felt great stress over the inability to organize and create a neat rack mounted environment. Patch panels allows the easy management of patch...
-
Multimode Fiber Cabling Upgrade From 10GBASE-SR, 40GBASE-SR4 to 100GBASE-SR10
Telecom industry is in the best times in that new products and technologies keeping coming out, which greatly facilitate people’s daily lives. From the 10GbE, 40GbE to the 100GbE, users can be benefited from the varieties of Gigabit Ethernet applications....
-
How to Build 10G Network Within Budget
Modern business have become increasingly digital for cloud and data center application, which means everything from sales and marketing to service and support, rely heavily on a fast and reliable network. In 2017, Gigabit Ethernet data rate is no longer...
-
Four Basic Elements in a WDM System
We know that fiber can carry more data over long distances than any other physical medium. That makes fiber a very precious material. And how to make the most use of your fiber plant becomes a question. So there comes Wavelength Division Multiplexing...
-
Cisco Vs Huawei – Which One is the better Choice for Ethernet Switches?
Cisco, as the big brother in the telecom industry, has dominated the market of networking devices (like routers and switches) for a long time. No one can compete with him. Huawei, however, is the rising star in Chinese market. It ranked 83rd in the latest...
-
Why Third-party 40G QSFP+ Transceiver, Instead of OEM QSFP Module?
For the data center or network upgrade, 40G network is a trending choice. Then where do you buy the 40G QSFP transceiver? Will you choose an OEM one or a third-party one? There are some differences between third-party 40G QSFP transceiver and OEM 40G...
-
Was ist der Unterschied: OM3 vs OM4
OM3 und OM4 sind zwei gebräuchliche LWL Multimode, die in lokalen Netzwerken verwendet werden, typischerweise in der Backbone-Verkabelung zwischen Telekommunikationsräumen und im Datenzentrum zwischen Hauptnetzwerk- und SAN-Switches (Storage Area Network)....
-
Introduction to Patch Panels
Different systems have a functional unit that serves as a central location for monitoring and connecting circuits. In the case of optical cabling, patch panels represent the functional unit, which are used to connect and disconnect equipment. Without...
-
Guide to Several Materials in Fiber Optic Cable Construction
Fiber optic cable is considered as one of the most effective transmission medium today for safe, and long-reach communications, and it also offers a number of advantages over copper. In general, fiber optic cable consists of a core, cladding, coating,...
-
How to Choose Between Coaxial Cable, Twisted Pair and Fiber Optic Cables?
As enterprises are striving for high reliability and performance as well as seamless data access and reporting, industrial networks are becoming more sophisticated. In terms of cabling solutions, it is essential to use the industrial Ethernet cable to...
-
HP SFP-Module Basis: J4858C vs J4859C
Als wichtiger Bestandteil des Netzwerkzubehörs werden die HP ProCurve-Transceiver sehr stark auf ihre relevanten Switches oder Routen angewendet. HP SFP besteht aus drei Versionen: Revision A, Revision B und Revision C. Tatsächlich gibt es keinen großen...
-
ABC of GPON SFP: Understanding GPON OLT / ONU / ONT SFP Module
Since the advances in Ethernet technology, “last mile” connectivity is expected to realize between the network backbone and local area networks (end users). Gigabit Passive Optical Network (GPON) is a cost-effective point-to-multipoint access network,...