Section 22 GlossaryAC Alternating currentACT Application configuration tool within PCM600A/D converter Analog-to-digital converterADBS Amplitude deadband supervisionAI Analog inputANSI American National Standards InstituteAR AutoreclosingASCT Auxiliary summation current transformerASD Adaptive signal detectionAWG American Wire Gauge standardBI Binary inputBOS Binary outputs statusBR External bistable relayBS British StandardsCAN Controller Area Network. ISO standard (ISO 11898) for serialcommunicationCB Circuit breakerCCITT Consultative Committee for International Telegraph andTelephony. A United Nations-sponsored standards body withinthe International Telecommunications Union.CCVT Capacitive Coupled Voltage TransformerClass C Protection Current Transformer class as per IEEE/ ANSICMPPS Combined megapulses per secondCMT Communication Management tool in PCM600CO cycle Close-open cycleCodirectional Way of transmitting G.703 over a balanced line. Involves twotwisted pairs making it possible to transmit information in bothdirections1MRK 502 043-UUS B Section 22Glossary661Technical Manual
