As PoE changes to meet today’s increasing application requirements like IP cameras or WiFi access points, it’s widely used for enterprises networks. Using a PoE or PoE+ switch, technicians can simplify the cabling installation because the PoE technology can support power and data transmission over the same cables. When choosing a PoE Ethernet switch, we always care about the ports and power…

SFP, RJ45, and GBIC transceiver modules are three main kinds of 1GbE transceiver modules on the market. You may be puzzled by so many choices of transceiver modules. Don’t worry about it. This article will help you clarify the differences between SFP vs RJ45 vs GBIC transceivers and give you some suggestions about how to choose from them. What Is an…

Hi there. I am trying to calculate the cost of fiber cable when it is being manufactured. For example 48 core, corrugated steel armored, PE sheathed, 2700N tensile strength underground fiber cable for telecom use. With the shape, I am able to calculate everything by using density formula. But I am stuck at the stage where the aramid or glass…

VLAN plays a significant role in network build and management. With the development of VLAN technology, different VLANs can communicate with each other by inter VLAN routing. And inter VLAN routing is achieved by using inter VLAN routing layer 3 switch or router. Well, which one to choose between them to carry out inter VLAN routing? This article will expound…