Online Insertion And Removal - Cisco UBR7225VXR Hardware Installation Manual

National Television System Committee.
NTSC
Nonvolatile random-access memory.
NVRAM
O

Online insertion and removal.

OIR
P
Phase alternating line.
PAL
Protocol control information.
PCI
Q
Quadrature amplitude modulation. A modulation technique using variations in simple amplitude.
QAM
Quaternary phase shift keying. A compression technique used in modems and wireless networks.
QPSK
R
Request to send.
RTS
S
Synchronous Digital Hierarchy.
SDH
Synchronous dynamic random-access memory.
SDRAM
SEquential Couleur Avec Memoire.
SECAM
Simple Gateway Control Protocol.
SGCP
Synchronous Optical Network. High-speed synchronous network specification developed by Bellcore
SONET
and designed to run on optical fiber. STS-1 is the basic building block of SONET. It was approved as
an international standard in 1988.
Static random-access memory.
SRAM
Set-top box.
STB
OL-17309-01
Cisco uBR7225VXR Universal Broadband Router Hardware Installation Guide
Glossary
GL-5