How improper fiber crossing degrades network performance
No Commentsby www.fiber-mart.com Network technicians often commit major errors crossing fiber cables during installation. If they don’t understand polarity or rush to get their network equipment powered up, they run the risk of using the wrong patch cord. That can be bad news. This is the 15th in a Telect [ Continue reading…]
What Are SFP Ports Used For?
No CommentsIf you know Cisco SFP Modules, you must know the SFP Ports. If you didn’t know what are SFP modules or SFP ports, you can read this article, which can tell you what are SFP ports on a Gigabit Switch used for? Cisco SFP Modules, the industry-standard Cisco Small Form-Factor [ Continue reading…]
An Eye on the Copper Patch Panels
No CommentsAre 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 cables and link the cabling distribution areas, which paves the [ Continue reading…]
How to Understand PoE and PoE+ Switches
No CommentsPower-over-Ethernet (PoE) is the technology that allows network switches to transmit power and data through an Ethernet cable at the same time. PoE switch streamlines both of the processes of powering and providing data to the device, which makes it a straightforward and reliable device for home network and small enterprise application. [ Continue reading…]
Introduction to Semiconductor Optical Amplifier
No CommentsOptical 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 are many types of optical amplifiers, namely Raman amplifiers, erbium [ Continue reading…]
Hohe-Dichte-MTP/MPO-Kabelbaugruppen
No CommentsGegenwärtig ist die Migration zu einem 40G/100G-Netzwerk die populäre und unwiderstehliche Tendenz für ein Datenzentrum-Verkabelungssystem geworden, was die Suche nach einer größeren Bandbreite und einer höheren Dichte von faseroptischer Konnektivität in Rechenzentren und optischen Netzwerken mit sich bringt. Dann ist es eine große Herausforderung, ein Gleichgewicht zwischen hoher Kapazität und [ Continue reading…]
Was ist der Unterschied: OM3 vs OM4
No CommentsOM3 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). Beide dieser Fasertypen werden als laseroptimierte 50/125-LWL-Multimode, was bedeutet, dass beide einen Kern mit einem Kerndurchmesser von 50μm und einen [ Continue reading…]
The ABCs of Tunable SFP+ & Tunable XFP DWDM Optics
No CommentsTunable 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 that the laser emits. Generally, the tunable optics is for C-Band 50GHz, starting from [ Continue reading…]
Introduction to Horizontal and Vertical Cable Manager
No CommentsFor many IT manager or data center professionals, one of the most difficult task is to keep cables in proper order. Image that you walk into a sever room to troubleshoot cables because of the bad cable management, you see the cable here, cable there, cable everywhere. Can you walking [ Continue reading…]
Compatible Test of Cisco QSFP-40G-SR4 Optics
No CommentsWhen purchasing the third party optics, customers usually suffer from the poor quality and compatibility issue, which is the major obstacle of OEM market. Just as a saying goes, what is good is not cheap. However, this article will prove that the cost-effective OEM optics from fiber-mart.COM are well worth [ Continue reading…]