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