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Managed switches have one or more methods to modify the operation of the switch. Common management methods include: a command-line interface (CLI) accessed via serial console , telnet or Secure Shell , an embedded Simple Network Management Protocol (SNMP) agent allowing management from a remote console or management station, or a web interface ...
Definition [ edit ] The U.S. National Electrical Code (NEC) defines a switchboard as "a large single panel, frame, or assembly of panels on which are mounted, on the face, back, or both, switches, over-current and other protective devices, buses , and usually instruments". [ 2 ]
A standard-sized area within a computer case for adding hardware (hard drives, CD drives, etc.) to a computer. dual in-line memory module (DIMM) A series of dynamic random-access memory integrated circuits. These modules are mounted on a printed circuit board and designed for use in personal computers, workstations and servers. Contrast SIMM ...
Modular switches also support additional line cards which can provide new functions to the switch that would previously have been unavailable, such as a firewall. [4] An example of a modular computer network switch is the Cisco Catalyst 6500, which can be configured with up to 13 slots, and supports connections from RJ45 to QSFP+.
The Open Systems Interconnection model (OSI model) defines and codifies the concept of layered network architecture. Abstraction layers are used to subdivide a communications system further into smaller manageable parts. A layer is a collection of similar functions that provide services to the layer above it and receives services from the layer ...
That way, a common Ethernet connection becomes shared between the computer's operating system and the integrated baseboard management controller (BMC), usually by configuring the network interface controller (NIC) to perform Remote Management Control Protocol (RMCP) ports filtering, use a separate MAC address, or to use a virtual LAN . Thus ...
Switching uses different kinds of network switches. A standard switch is known as a layer-2 switch and is commonly found in nearly any LAN. Layer-3 or layer-4 switches require advanced technology (see managed switch) and are more expensive and thus are usually only found in larger LANs or in special network environments.
A computer-on-module (COM) is a type of single-board computer (SBC), a subtype of an embedded computer system. An extension of the concept of system on chip (SoC) and system in package (SiP), COM lies between a full-up computer and a microcontroller in nature. It is very similar to a system on module (SOM).