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Cisco uBR7200 Series Universal Broadband Router Software Configuration Guide
OL-2239-04
Preface
Terms and Acronyms
• CPE—customer premises equipment
• CPR—Centralized Priority Reservation
• CRC—cyclic redundancy check
• CSU—channel service unit
• CTS—Clear To Send
• D/A—digital to analog (conversion)
• DAVIC —Digital Audio-Visual Council
• DCD—Data Carrier Detect
• DCE—data communications equipment
• DDS—Direct Digital Synthesis
• DES—Data Encryption Standard
• DHCP—Dynamic Host Configuration Protocol
• DOCSIS—Data-over-Cable Service Interface Specification
• DVB—Digital Video Broadcasting
• DIMM—dual in-line memory module
• DSR—data set ready
• DSU—data service unit
• DTE—data terminal equipment
• DTR—data terminal ready
• ESP—Electronic Systems Products
• EMC—electromagnetic compliance
• EMI—electromagnetic interference
• ESD—electrostatic discharge
• EuroDOCSIS—European DOCSIS (Data-over-Cable Service Interface Specification)
• FCS—Frame Check Sequence; First Customer Shipment
• FDR—Final Design Review
• FEC—Forward Error Correction
• FRU—field-replaceable unit (router components that do not require replacement by a service
provider certified by Cisco)
• FTP—foil twisted-pair
• HCCP—Hot Standby CMTS-to-CMTS Protocol
• HDLC—High-Level Data Link Control
• HEAD—Head-end Modulator and Demodulator
• HEM—Head End Modem
• HFC—Hybrid Fiber Coax
• HOME—Subscriber Unit
• HS—Head-end Shelf
• HSRP—Hot-Standby Router Protocol
• IP—Internet Protocol
• IPSec—IP Security Protocol
• ISL—Inter-Switch Link protocol
• ISS—Instruction Set Simulator
• Kbps—kilo-bits per second