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A type of connector used to connect computer systems using fiber optic cabling. An SC connector: Is used with single-mode and multi-mode cabling. Is a push on, pull off connector type that uses a locking tab to maintain connection. Has a separate connector fo...

An EMI resistant, sturdy cable type used to transmit radio signals, digital audio, TV cabling, phone lines, and more. It's made up of an inner cable conductor, a cable insulator, a braided mesh conductor, and a plastic jacket/sheath. Twinaxial Cables A type of...

An ethernet switch lets you connect multiple devices to the same network segment, but does NOT connect the network segments. Cisco Switches have numbered ports that are connected using Ethernet or RJ45 cables. Specialized ports for Gigabit Ethernet and SFP are...

A type of network cable that uses light to transmit data in a glass or plastic cable. Wavelength Division Multiplexing (WDM) Duplex fiber channel links require two fiber optic cable connections, one for a Transmit (Tx) and for a Receive (Rx) lane. These parall...

An enumeration of the most common v6 address prefixes and their uses. Type Prefix Leading Hex Characters Global Unicast 2000::/3 2 or 3 Linklocal Unicast fe80::/10 fe80 Multicast ff00::/8 ff Multicast (Linklocal) ff02::/16 ff02::1 (all nodes)ff02:...

A wiring standard for the RJ45 connector as defined by the order of the wires that connect to the jack. T568A is used in older phone systems and it's usage is required by the US for government contracts. Color Order Green White Green Orange White Blue Blue Wh...

The transport layer is responsible for organizing incoming data packets using their content, and assigning them a port number. The content of the packets suddenly becomes important, since we need to read the content of the packet in order to assign it a port n...

A moment of increased voltage being provided to the systems connected to a power supply, lasting for some seconds. e.g 115 - 120 volts => 125+ volts Usually happens when there's a lightning storm. #II

A moment of increased voltage being provided to the systems connected to a power supply, lasting for some milliseconds. Usually happens when there's a lightning storm. #II

A moment of decreased voltage being provided to the systems connected to a power supply. e.g. 110 - 115 volts => 60 - 80 volts #II

A piece of hardware that filters power surges before they reach connected systems, along with powering connected devices off before damage can be done to the system. #II

A piece of hardware that filters power surges before they reach connected systems, along with conditioning the power to keep too much from reaching a connected device. #II

A type of cable tester that uses time domain reflectometry to characterize and locate faults on metallic cables like twisted pair wire or coaxial cables. It can also be used to locate discontinuities in a connector, a printed circuit board, or any other electr...

A common type of connector used to connect devices to twisted pair cables. RJ45 Connectors: have 8 connectors support up to four pairs of wires uses a locking tab to keep a connector secure in it's outlet primarily used for ethernet networks #III

A type of port used to connect serial devices to a computer system, like a barcode scanner. Also known as the DB9 Connector or a COM Port. Used for short-range, point-to-point, low-speed wired data connections, like for networking equipment, industrial machine...

The spaces above false ceilings and below raised floors, usually used to wire electrical wiring for the lights, and where the air handle ducts are routed. A rating level for twisted-pair cables, designed to to lay in plenum spaces. They must meet strict regula...

Organizations establish a general procedure that overarches into most departments. It provides employees information on how complex business activities are performed at their organization. A Standard Operating Procedure (SOP) usually includes the purpose and s...

A tool that is used to secure cable wiring to a punch-down block or a patch panel. #I