User manual

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6. Appendix
6.1 Abbreviations
AIS Alarm Indication Signal
AMI Alternate mark inversion
ASYM Asymmetric
ATM Asynchronous Transfer Mode
B8ZS Bipolar with 8 zero substitution
BER Bit error rate
BERT Bit Error Rate Tester
BNC Bayonet Neill-Concelman (a common RF connector for coaxial cable)
bps Bits per second
CAS Channel Associated Signaling
CEPT European Conference of Postal and Telecommunications Administrations.
CERR CRC Errors
CO Central Office
CPE Customer Premises Equipment
CPU Central processing unit
CRC Cyclic redundancy check
CRC4 Cyclic redundancy check 4 bit
CRS Carrier Sense
CSU Channel service unit
CTS Clear to send
DCD Data carrier detect
DCE Data communication equipment
DSL Digital subscriber loop
DSR Data set ready
DSLAM DSL Access Multiplexer
DTE Data terminal equipment
DTR Data terminal ready
E BIT GEN Remote End Block Error Bit generation
EOC Embedded operations channel
ES Number of Error second (Errors/Second)
ESF Extended super frame
ETSI European Telecommunications Standardization Institute
FAS Frame alignment signal
FCS Frame Check Sequence
HDB3 High-Density Bipolar of order 3
HDLC High-Level Data Link Control
HEC Header error check