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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
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