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Testing brings home telco TV--figures

Glossary of terms and article figures for our May 2007 cover story

-- Test & Measurement World, 4/30/2007 12:39:00 PM

Glossary of terms

BER bit-error rate

BPON broadband passive optical network

CNR carrier-noise ratio

CO central office

CPE customer premises equipment

CSO carrier second-order

CTB carrier triple-beat

DWDM dense-wavelength-division multiplexing

FEC forward-error correction

FTTH fiber to the home

GPON gigabit passive optical network

MoCA Multimedia over Coax Alliance

MPEG Motion Picture Experts Group

NTSC National Television System Committee

OLT optical-line terminal

ONT optical-network terminal

POTS plain old telephone service

PSTN public switched telephone network

QAM quadrature amplitude modulation

SHE super headend

SNR signal-to-noise ratio

SPDI Sony/Philips Digital Interface

STB set-top box

VHO video hub office

VoD video on demand

VSO video service office

WDM wavelength-division multiplexer

 
Figure 1. Verizon Labs simulates a complete service network in one building.
 

Figure 2. Engineers in the RF lab test optical network terminators for their RF characteristics.

 

Figure 3. An optical-transport network in the lab contains core routers, edge routers, and OLTs.

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