Cisco 7246VXR - uBR Router Software Configuration Manual page 16

Terms and Acronyms
LAN—local area network
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LCN—logical channel number
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LED—light emitting diode
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LLC—logical link control
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MAC—Media Access Control
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MB—megabyte
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Mbps—mega-bits per second
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MM—multimode
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MODEM—modulator/demodulator
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• MPEG-2—Moving Picture Experts Group (Specification 2)
MPEG-2-TS—MPEG-2 Transport Stream
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• MSN—manufacturer serial number
MSO—multiple systems operator
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• NIU/STB—network interface unit/set-top box
nrt-VBR—non-real-time variable bit rate
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• NTSC—National Television Standards Committee
NVRAM—nonvolatile random-access memory
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• OAM AIS—Operation, Administration, and Maintenance alarm indication signal
OAM&P—Operations, Administration, Maintenance and Provisioning
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OC3—Optical Carrier Level 3
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OIR—online insertion and removal
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PCI—Peripheral Component Interconnect
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PCMCIA—Personal Computer Memory Card International Association
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PDD—Project Design Document
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PHY—Physical Layer Interface
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PID—Packet Identifier
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PLL—Phase Locked Loop
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PPP—Point-to-Point Protocol
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• QAM—Quadrature Amplitude Modulation
QoS—quality of service
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• QPSK—Quadrature Phase Shift Keying
rcp—remote copy protocol
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• RFI—radio frequency interference
RIP—Routing Information Protocol
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RISC—Reduced Instruction Set Computer
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RTP—Real-Time Transport Protocol
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RTS—Request To Send
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SDRAM—synchronous dynamic random-access memory
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SIMM—single in-line memory module
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SM—Subscriber Modem or Spectrum Manager
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SMI—single-mode intermediate reach
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SNMP—Simple Network Management Protocol
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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
16
Preface
OL-2239-04