NEC PASOLINK+, Руководство пользователя

Страница: 3 / 34

PASOLINK
+
155 MB 1+0/1+1 SYSTEM MTD-PL-028/141005
- ii -
LIST OF ABBREVIATIONS
AMI Alternate Mark Inversion
ANT Antenna
APC Automatic Phase Control
ATPC Automatic Transmitter
Power Control
ATT Attenuator
B8ZS Binary 8-Zero Substitution
B
ACK
-
Pressure Anti-congestion control
BB Base Band
BBE Background Block Error
BER Bit Error Rate
BER-M Bit Error Rate Measuring
CBL Cable
CKT Circuit
CMI Coded Mark Inversion
CN Carrier to Noise
CONV Converter
CTRL Control
DEM Demodulator
DI Data Input
DO Data Output
DPU Digital Processor Unit
DSC Digital Service Channel
EMC Electromagnetic
Compatibility
EOW Engineering Order Wire
ES Errored Seconds
Ethernet LAN specification along
IEEE802.3
FEC Forward Error Correction
FIL Filter
FOTS Fiber Optical Transport
System
HDB3 High Density Bipolar order 3
HIC Hybrid Integrated Circuit
HYB Hybrid
IDU Indoor Unit
IEC International
Electrotechnical Comission
IF Intermediate Frequency
INS Insertion
INTFC Interface
ITU-R Radio Communication
Sector of ITU
ITU-T Telecommunication Sector
of ITU
LCT Local Craft Terminal
LDC Laser Diode Current
LO Local Oscillator
LOF Loss of Frame
LOS Loss of Signal
MAINT Maintenance
MIC Microwave Integrated Circuit
MLC Multi-level Coding
MLCM Multi-level Code Modulation
Technique