RJ45 modular connectors, also known as 8P8C connectors, are used to connect computers to local area networks. The way the RJ45 connector is wired to Cat 5, 5e and 6 cables differs depending upon the type of cable required. There are straight-through cables, crossover cables...

RJ45 modular connectors, also known as 8P8C connectors, are used to connect computers to local area networks. The way the RJ45 connector is wired to Cat 5, 5e and 6 cables differs depending upon the type of cable required. There are straight-through cables, crossover cables...

Power over Ethernet (PoE) is a great way to power remote equipment. Typical examples of PoE include powering VoIP phones and IP video cameras. However, it may come as a shock to realize that the first PoE standard (IEEE 802.3af) was only released in 2003,...

Power over Ethernet (PoE) is a great way to power remote equipment. Typical examples of PoE include powering VoIP phones and IP video cameras. However, it may come as a shock to realize that the first PoE standard (IEEE 802.3af) was only released in 2003,...

Telephone and data circuits all use multi-core cables. ADSL lines usually use four cores that are split into two pairs, while higher specification Cat 5, 5e and 6 cables use eight cores made up into four pairs. Each pair comprises of two wires twisted together...

Telephone and data circuits all use multi-core cables. ADSL lines usually use four cores that are split into two pairs, while higher specification Cat 5, 5e and 6 cables use eight cores made up into four pairs. Each pair comprises of two wires twisted together....

System administrators rarely lead quiet lives, and it would not be unusual for a typical day to be filled with a series of minor crises that have to be resolved in double-quick time. Many problems center on the network. These could include network congestion, equipment...