ATL Telecom AM2048 - Manual (Page 31)

ATL TELECOM USER GUIDE
AM2048A
59
A Alarm bit in G.704 frame, timeslot 0
AC Alternating Current
AIS Alarm Indication Signal
BT British Telecom
CAP Carrierless Amplitude and Phase Modulation
CCITT International Telegraph and Telephone Consultative Committee
CRC4 Cyclic Redundancy Check 4 (bits)
CRC6 Cyclic Redundancy Check 6 (bits)
CRC6G CRC6 Generator
CRC6M CRC6 Monitor
DC Direct Current
DCE Data Circuit Terminating Equipment
DS Digital Section (Line section including ELU and NTU)
DSP Digital Signal Processing
DSL Digital Subscriber Line
DTE Data Terminating Equipment
E bit Bits in the G.704 frame used to indicate that a CRC has been received in error
ELU Exchange Line Unit
EMC Electromagnetic Compatibility
EN 41003 Particular Safety Requirements for Equipment to be connected to
Telecommunications Networks
EN 60950 1992. Up to A11 (1997) Safety of Information Technology Equipment
EOC Embedded Operations Channel
ESD Electro Static Discharge
ET Exchange Termination
ETR152 ETSI Technical Report 152 (1996). Transmission and multiplexing;
DSL transmission system on local lines;
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58 ATL TELECOM USER GUIDE
AM2048A