VeEX FX120, Руководство пользователя

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Appendix B
xPON ABBREVIATIONS AND ACRONYMS
AES - Advanced Encryption Standard
Alloc-ID -Allocation Identifier
ANI - Access Node Interface
APS - Automatic Protection Switching BCH - Bose-Chaudhuri-Hocquengham BER - Bit Error Ratio
BIP - Bit Interleaved Parity
B-ISDN - Broadband Integrated Services Digital Network
Blen - BWmap Length
B-PON - Broadband Passive Optical Network
BW - Bandwidth
BWmap - Bandwidth Map CBS - Committed Burst Size CES - Circuit Emulation Service CID - Consecutive Identical Digit
CIR - Committed Information Rate
CPL - Change Power Level
CRC - Cyclic Redundancy Check
DACT - Deactivate (ONU-ID)
DBA - Dynamic Bandwidth Assignment
DBRu - Dynamic Bandwidth Report upstream
DEMUX - Demultiplexer DF - Deactivate Failure DG - Dying Gasp
DIS - Disable (ONU serial number)
DOW - Drift of Window
DS - Downstream
DSL - Digital Subscriber Line
E/O - Electrical/Optical
EBS - Excess Burst Size
EIR - Excess Information Rate
EMS - Element Management System
EqD - Equalization Delay
FEC
- Forward Error Correction
FTTB
- Fiber to the Building
FTTC
- Fiber to the Curb
FTTH
- Fiber to the Home
GEM
- Gigabit-capable passive optical network Encapsulation Method
G-PON
- Gigabit-capable Passive Optical Network
GTC
- Gigabit-capable passive optical network Transmission Convergence
HEC
- Header Error Control
IP
- Internet Protocol
ISDN
- Integrated Services Digital Network
LAN
- Local Area Network
LCDG
- Loss of Channel Delineation for GEM
LCF
- Laser Control Field
LIM
- Line Interface Module
LOA
- Loss of Acknowledgement
LOAM
- Loss of Operations, Administrations and Maintenance
LOF
- Loss of Frame
LOK
- Loss of Key
LOS
- Loss of Signal
LSB
- Least Significant Bit
MAC
- Media Access Control
ME
- Managed Entity
MEM
- Message Error Message
MIB
- Management Information Base
MIS
- (link) Mismatch
MSB
- Most Significant Bit
MUX
- Multiplexer
NMS
- Network Management System
NRZ
- Non Return to Zero
NSR
- Non-Status-Reporting
O/E
- Optical/Electrical
OAM
- Operations, Administration and Maintenance
OAN
- Optical Access Network
ODF
- Optical Distribution Frame
ODN
- Optical Distribution Network
OLT
- Optical Line Termination
OMCC
- Optical Network Unit Management and Control Channel
OMCI
- Optical Network Unit Management and Control Interface
ONT
- Optical Network Termination
ONU
- Optical Network Unit
ONU-ID
- Optical Network Unit Identifier
OpS
- Operations System
PCBd - Physical Control Block downstream PDH - Plesiochronous Digital Hierarchy PDU - Protocol Data Unit
FX120_User_Manual_RevA02 Page 31 of 32