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ACRONYMS USED IN THIS MANUAL
AMI ........................................................ Alternate Mark Inversion
BER ........................................................ Bit Error Rate
BBP ........................................................Baseband Processor
CRC ........................................................ Cyclic Redundancy Check
DCE ........................................................ Data Communications Equipment
DTE ........................................................ Data Terminal Equipment
ESF .........................................................Extended superframe
FCC ........................................................Federal Communications Commission
FEC......................................................... Forward Error Correction
IF ......................................................... Intermediate Frequency
ISM ......................................................... Industrial, Scientific, and Medical
LBK ........................................................ Loopback
QPSK ...................................................... Quadrature Phase Shift Keying
RF .........................................................Radio Frequency
RFC ........................................................Radio Frequency Converter
RSSI........................................................Received Signal Strength Indicator
Rx .........................................................Receive
SF ......................................................... Superframe
Tx ......................................................... Transmit
HDB3......................................................High Density Bipolar 3
CV .........................................................Coding Violation
CCS ........................................................Clear Channel Signalling
CAS ........................................................ Channel associated Signalling
RMT ....................................................... Remote Alarm
UA1 ........................................................ Unframed all 1s
RRA ........................................................ Received Remote Alarm
TRACER 2 x E1 User’s Manual 49
GLOSSARY