Technical Description
1.3
Abbreviations and
Definition of Terms
Abbreviations
ADM
AGGR
AIS
AUX
CF
CID
CMI
CPE
CRC-4
DCC
ECC
ECL
EE
EEE
EMC
EOW
ER
ES
ETH
ETSI
FIT
HDB3
HISI
ID
IEC
I/O
ITU-T
ITU
LED
LOF
MRTIE
MSOH
MTBF
MLM
NA
NE
NRZ
OE
OEE
OEO
OHA
OS
PCB
Add/Drop Multiplexer
Aggregate
Alarm Indication Signal
Auxiliary Alarm
Connection Field
Consecutive Identical Digit
Coded Mark Inversion
Customer Premises Equipment
Cyclic Redundancy Check - 4th order generator polynomial
Data Communication Channel
Embedded Communications Channel
Emitter Coupled logic
TM Module with Electrical Aggr, Electrical
Trib
ADM Module with Electrical Aggr Electri, cal Trib, Electrical Aggr
Electromagnetic Compatibility
Engineering Order Wire
Electrical Receive
Electrical Send
Ethernet
European Telecommunications Standards Institute
Failure In T ime
High Density Bipolar of order 3 Code
Higher order Internal Section Interface
Identification
International Electrotechnical Commission
Input/Output
ITU - Telecommunication Standardisation
Sector
International Telecommunication Union
Light Emitting Diode
Loss of Frame
Maximum Relative T Interval Error ime Multiplex SOH (in an STM frame)
Mean Time Between Failures
Multi Longitudinal Mode Laser
Not Applicable
Network Element
Non-Return to Zero
TM Module with Optical Aggr Electrical
,
Trib
ADM Module with Optical Aggr, Electrical
Trib, Electrical Aggr
ADM Module with Optical Aggr, Electrical
Trib, Optical Aggr
Overhead Access
Operations System
Printed Circuit Board
PDH
PMP
POH
PRC
PS
Qecb
Qecc
RCF
RSOH
RX
S3
S4
S12
SCF
SD
SDH
SEC
SETG
SIR
Sk
SLM
STM
SNC/I
So
SOH
SRCF
SSA
SSM
SSU
STM
SW
T0
T1
T2
T3
T4
TBA
TDEV
TEX
TISI
TM
TRIB
TTF
TTL
TX
UCI
UDC
UI
VC-3
VC-4
VC-12
XC
Plesiochronous Digital Hierarchy
Protected Monitor Point
Path OverHead
Primary Reference Clock
Power Supply