Serial ATA technology • Serial ATA technology. • Introduced in the mid 1980s, the Advanced Technology Attachment (ATA) interconnect soon became the industry-standard parallel input/output bus interface for connecting internal storage devices. ...

Component vs. channel testing. • Component vs. channel testing • Channel Testing • When using a Category 6 system, the full specification includes the testing of each part individually and in an end-to-end-channel. Because CAT6 is an open stan...

Twisted-pair shielding and conductors. • Shielded vs. unshielded cable • The environment determines whether cable should be shielded or unshielded. • Shielding is the sheath surrounding and protecting the cable wires from electromagnetic leaka...

Category 5 and 5e • Category 5 and 5e • Category 5 • Category 5 (CAT5) cabling is good, solid cable for 100-Mbps LANs. The Category 5 standard has been around since 1991, so it’s well established. You’ll find existing Category 5 installations ...

Virtual LANs • Virtual LANs (VLANs) • True to their name, VLANs are literally “virtual“ LANs—mini subLANs that, once configured, can exist and function logically as single, secure network segments, even though they may be part of a much larger...

...networks are complex systems of PCs, servers, printers, and the devices that connect them. Getting everything to work in harmony requires bundles of cables, and managing all those cables from inside a telecommunications closet can be a daunting t...

...pair to connect end systems, and fiber optic versions for site backbones. It is standardized as IEEE 802.3. • The older versions of Ethernet are known as Thick (standard) and ThinNet Ethernet, standards that support speeds up to 10-Mbps. • Thin ...

...G.703 uses encoding systems, including High-Density Bipolar 3 (HDB3) in Europe and Alternate Mark Inversion (AMI) and Bipolar 8-Zero Substitution (B8ZS) in North America. They all operate on the Transport Layer (Layer 2) of the seven-layer OSI m...