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Cisco uBR10012 Universal Broadband Router Software Configuration Guide
OL-1520-06
Preface
Terms and Acronyms
Note This symbol means reader take note. Notes contain helpful suggestions or references to material not
covered in the publication.
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Terms and Acronyms
To fully understand the content of this guide, you should be familiar with the following terms and acronyms:
Note A complete list of terms and acronyms is available in the Internetworking Terms and Acronyms guide
on Cisco.com and the Documentation CD-ROM.
•ABR—available bit rate
•ACL—access control list
•AGC—automatic gain control
•ASIC—application specific integrated circuit
•AWG—American wire gauge
•BGP—Border Gateway Protocol
•BPI—Baseline Privacy Interface
•CM—cable modem—CPE side device in a cable network
•CMTS—cable modem termination system
•CoS—class of service
•CPE—customer premises equipment
•CRC—cyclic redundancy check
•CSU—channel service unit
•CTS—Clear To Send
•D/A—Digital to Analog (Conversion)
•DCD—Data Carrier Detect
•DCE—data communications equipment
•DHCP—Dynamic Host Configuration Protocol
•DIMM—dual in-line memory module
•DOCSIS—Data-over-Cable Service Interface Specification
•DS—downstream—data flowing from the internet backbone towards the cable network is
considered to be moving in the downstream direction. Also refers to data flowing from the CMTS
towards the CM is moving in the downstream direction.
•DSP—digital signal processor