|
ACRONYM |
|
DEFINITIONS |
|
|
AIC |
|
Application Identification
Channel |
|
AIS
|
|
Alarm Indication Signal |
|
APS |
|
Automatic Protection Switching |
|
AU-n |
|
Administrative Unit-n |
|
AUG |
|
Administrative Unit Group |
|
ATM |
|
Asynchronous Transfer Mode |
|
BER
|
|
Bit Error Rate |
|
BERT |
|
Bit Error Rate Test/Tester |
|
BIP |
|
Bit Interleaved Parity |
|
BOM |
|
Bit-Oriented Message
|
|
BPV |
|
Bipolar Violation |
|
CAS |
|
Channel Associated Signaling |
|
CDR |
|
Clock and Data Recovery |
|
CML |
|
Current-Mode Logic |
|
CRC |
|
Cyclic Redundancy Check |
|
DCC
|
|
Data Communication Channel |
|
DL |
|
Data Link |
|
DDS |
|
Digital Data Service |
|
ESF |
|
Extended Super Frame |
|
FAS
|
|
Frame Alignment Signal |
|
FCS |
|
Frame Check Sequence |
|
FDL
|
|
Facility Data Link |
|
FE |
|
Fast Ethernet |
|
FEAC |
|
Far End Alarm and Control |
|
FEBE |
|
Far End Block Error (renamed as REI) |
|
FERF |
|
Far End Receive Failure
(renamed as RDI) |
|
FIFO |
|
First-In First-Out |
|
FPSC |
|
Field Programmable System Chips |
|
GFP |
|
Generic Framing Procedure |
|
GFP-F |
|
Frame-based GFP |
|
GFP-T |
|
Transparent GFP |
|
HDLC
|
|
High-level Data Link Control |
|
HEC
|
|
Header Error Control |
|
Hi-order |
|
High-order |
|
ISDN |
|
Integrated Services Digital Network |
|
LAPD |
|
Link Access Protocol for D-channel |
|
LAPS
|
|
None |
|
LCAS |
|
Link Capacity Adjustment Scheme |
|
LCD |
|
Loss of Cell Delineation |
|
LCV
|
|
Line Coding Violation |
|
LDL |
|
Local Data Link |
|
LOF |
|
Loss of Frame |
|
LOH |
|
Line Overhead |
|
Lo-order |
|
Low order |
|
LOP |
|
Loss of Pointer |
|
LOS |
|
Loss Of Signal |
|
LSB |
|
Least Significant Bit |
|
MDIO |
|
Management Data Input/Output |
|
Misc |
|
Miscellaneous |
|
MSB |
|
Most Significant Bit |
|
MS-AIS |
|
Multiplex Section Alarm Indication Signal |
|
MSOH
|
|
Multiplex Section Overhead |
|
MS-RDI
|
|
Multiplex Section Remote Defect Indication |
|
MS-REI |
|
Multiplex Section Remote Error Indication |
|
NDF |
|
New Data Flag |
|
NG |
|
Next Generation |
|
NNI |
|
Network Node Interface
|
|
OOF |
|
Out Of Frame |
|
PDH |
|
Plesiochronous Digital Hierarchy |
|
PECL |
|
Positive-Emitter Coupled Logic |
|
POH |
|
Path Overhead |
|
PPP |
|
Point-to-Point Protocol |
|
PRBS |
|
Pseudo Random Bit Stream |
|
PT |
|
Payload Type |
|
PTE |
|
Path Terminating Element |
|
RAI |
|
Remote Alarm Indication |
|
RDI |
|
Remote Defect Indication |
|
RED |
|
Redundancy |
|
REI |
|
Remote Error Indication |
|
RFI |
|
Remote Failure Indication |
|
Rx |
|
Receive |
|
SDH |
|
Synchronous Digital Hierarchy |
|
SMII
|
|
Serial Media Independent Interface |
|
SoC |
|
System-on-a-chip |
|
SONET
|
|
Synchronous Optical Network |
|
SPE
|
|
SONET Payload Envelope |
|
SSM |
|
Synchronous Status Message |
|
SS-SMII |
|
Source Synchronous Serial Media Independent
Interface |
|
TM |
|
Timing Marker |
|
TR |
|
Trail Trace
|
|
Tx |
|
Transmit |
|
UDL
|
|
User Data Link
|
