Cabling Glossary

Glossary Term Description
PDC

Premise distribution cable

PIMF

Pairs in metal foil

Plenum Cable

Plenum cable has to coincide to specific fire performance requirements.

PoE (Power Over Ethernet)

Power via structured cabling provided either by powered switches or mid-span products. Can power network cameras, Wlan access points, video phones

PON

Passive optical network - is a telecommunications network that uses point-to-multipoint fiber to the premises in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises

POTS

Plain Old Telecom System

PSACR-F

Powersum Attenuation To Cross-Talk Ratio - Far End

PSACR-N

Powersum Attenuation To Cross-Talk Ratio - Near End

PSNEXT

Powersum Near End Cross-Talk

PVC Cable

Polyvinyl chloride jacket used to protect the copper pairs

QoS

Quality Of Service - used to define the level of service and control the transmission of different types of traffic (voice, data, video)

Refractive Index

A measure of the extent to which radiation is refracted on passing through the interface between two media

RFI

Radio Frequency Interference

RJ45

Registered Jack - 45 refers to the interface standard. 8 pin 8 IDC regular jack

RL

Return Loss

Rx

Receive

SAN

Storage Area Network. A Special Network Designed To Interconnect Multiple Storage Devices At High Speed. Fibre Channel Is Often Used

SC

Subscriber Connector

SCS

Structured Cabling System

SDH

Synchronous Digital Hierarchy. A Synchronous Transmission System Used For Telecommunications Worldwide

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