ETL600 1KHW001489-EN ABB Switzerland Ltd
OFDM Orthogonal Frequency Division Multiplex
P1LA Power Amplifier 40 W
P1LX Interface Extension board (piggyback for P4LT)
P3LE ETL600 RF Hybrid
P3LK Dummy Load 80 W
P3LG ETL600 Carrier Combiner
P3LL Transmit filter tuning adapter
P4LM Receive filter tuning adapter
P4LT 1) RF converter with or without interface extension
board (piggyback)
2) RF converter without piggyback
Usually it is clear from the context, whether
interpretation 1) or 2) is meant.
P4LU RF converter equipped with interface extension board
P1LX (piggyback)
P4RX ETL600 Rx filter
P7LA ETL Power rack
P7LC ETL Channel rack
PAR Paek to Average Ratio
PAX Private Automatic telephony eXchange
PC Personal Computer
PCB Printed Circuit Board
PDH Plesiochronous Digital Hierarchy
PE Protective Earth
PE Peak Envelope
PEP Peak Envelope Power
PEV Peak Envelope Voltage
PLC Power Line Carrier
PLL Phased Locked Loop
PSK Phase Shift Keying
R1BC Alarm Relay Module
R7AP Remote Inquiry Kit
R9AL Earth Rail
RAM Random Access Memory
RD Receive Data
RMS Root Mean Square
RS-485 Data interface standard
RT Receive Timing
RTC Real Time Clock
Rx Receive(r)
Contents November 2005 XVII
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