NET140 ch2 set1

Front

Structured cabling

Back

A method for uniform, enterprisewide, multivendor cabling systems specified by the ANSI/TIA-568 family for standard. It is based on a hierarchical design using a high-speed backbone.

Front

EF (entrance facility)

Back

The location where an incoming network service (whether phone, Internet, or long-distance service) enters a building and connects with the building’s backbone cabling.

Front

Demarc (demarcation point)

Back

The point of division between a telecommunications service carrier’s network and a building internal network.

Front

MDF (main distribution frame)

Back

Also known as the main cross connect, it is the centralized point of interconnection between an organization’s LAN or WAN and a service provider’s network.

Front

Patch panel

Back

A wall- or rack-mounted panel where cables converge in one location. Also called a patch bay.

Front

VoIP (voice over IP)

Back

The provision of telephone service over a packet-switched network running the TCP/IP protocol suite.

Front

SIP (session initiation protocol)

Back

A signaling protocol used to make an initial connection between hosts but does not participate in data transfer during the session. It is commonly used by voice gateways to initiate and maintain connections.

Front

IDF (intermediate distribution frame)

Back

A junction point between the MDF and concentrations of fewer connections, for example, those that terminate in a data closet.

Front

KVM (keyboard, video, and mouse switches)

Back

A device that connects the equipment in a rack to a single console to provide a central control portal for all devices on the rack.

Front

Port-side intake switches

Back

A switch whose ports face the cold aisle (typically the front of the rack) and draw in cooler air from the front to cool the switch.