Simplex vs. duplex fiber patch cable • Simplex vs. duplex fibre patch cable. • Multimode and single-mode patch cables can be simplex or duplex. • Simplex has one fibre, while duplex zipcord has two fibres joined with a thin web. Simplex (also ...

Bend radius • Bend radius • Bending a fibre cable • One of the most important considerations when installing fibre optic cable is maintaining the minimum bend radius. Bending a fibre cable excessively may cause the optical signal to refract an...

What is 802.1x port security? • What is 802.1x port security? • 802.1x port explained: • 802.1x port-based network access control provides a method to restrict users? Access to network resources by using authentication. This restricts users fr...

Multiplexing and demultiplexing video signals and data streams. • Multiplexing and demultiplexing • Much of the complexity in a KVM extender’s design involves multiplexing and demultiplexing the RGB (separate sync) video and various data strea...

Advantages of the PCI bus over the ISA bus. • Advantages of the PCI bus over the ISA bus • The high-performance PCI bus has both speed and interrupt-sharing advantages over the ISA bus. • The ISA bus implementation is based on edge-triggered i...

Black Box Explains: USB (Universal Serial Bus) • Main attraction • USB's main attraction is that it makes adding peripherals to your computer incredibly easy. It enables you to connect peripherals to the outside of the computer so you don't ha...

Black Box Explains: Fibre Optic Cable • Fibre optic cable is one of the fastest growing transmissions mediums for both new cabling installations and upgrades, including backbone, horizontal and even desktop applications. • The Black Box explai...

Black Box Explains: Copper Cable • Choosing the right copper cable for your network can be a daunting proposition. You have to consider many factors such as network equipment, available space, bandwidth specifications, total cost of ownership,...