Home Resources Glossary Glossary Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business. Search Show only animated A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 Call before You Dig (CBUD) CAP CAPEX Capital Expenditure (CAPEX) Carrier Carrier Ethernet 1.0 (CE 1.0) Carrier Ethernet 2.0 (CE 2.0) Carrier Ethernet Testing Carrier Sense Carrier Serving Area (CSA) Carrier-Sense Multi-Access with Collision Detection (CSMA/CD) Carrier-Sense Multiple-Access (CSMA) Carrier-Sense Multiple-Access with Collision Avoidance (CSMA/CA) CAS CBR CBS CC CCF CCS CD CDF CDMA CDN CE CE 1.0 CE 2.0 Central Office (CO) Central Offices Re-architected as Data Centers (CORD) CFM CFP Channel Channel Service Unit (CSU) CHAP CHAP cHEC Chromatic Dispersion (CD) CIR Circuit-Switched Network CJTPAT Class of Service (CoS) CLEC CLP CLS CMF CMISE CMS CO Coarse Wavelength-Division Multiplexing (CWDM) Coaxial Cable Coherent Network Collision Collision Detect (CD) Collision Domain Commissioning Committed Information Rate (CIR) Common Public Radio Interface (CPRI) Competitive Local-Exchange Carrier (CLEC) Concentrator Conduit Connectivity fault management (CFM) Connector Connector Endface Contamination Contention Control Plane Converged network Converged Network CoS CPE CPRI CQ CRC Crossover Cable Crosstalk CRPAT CS/ES CS_CTL CSA CSCF CSMA/CA CSMA/CD CSPAT CSR CSU CSU/DSU CTL Customer Premises Equipment (CPE) CVD CWDM Cyclic Redundancy Check (CRC) Contact Webinars Blog About Corporate Contact Discover Products Solutions How to buy Learn Resources Webinars Blog Glossary Follow LinkedIn Facebook Twitter YouTube WeChat Subscribe to our newsletter Keep up to date with the latest EXFO news. © 2017 - 2021 EXFO Inc. All Rights Reserved. User privacy notice Cookie policy