Acronyms
|
Acronym |
Meaning |
|
PON |
Passive Optical Network |
|
GPON |
Gigabit Passive Optical Network |
|
BPON |
Broadband Passive Optical Network |
|
OFDF |
Optical Fibre Distribution Frame |
|
ONT |
Optical Network Terminal |
|
POLT |
Packet Optical Line Terminal |
|
VOLT |
Video Optical Line Terminal |
|
PSTN |
Public Switched Telephone Service |
|
RDN |
Routed Data Network |
|
EDN |
Enterprise Data Network |
|
SDN |
Synchronous Data Network |
|
WDM |
Wave Division Multiplexer |
|
FDH |
Fibre Distribution Hub |
|
DLM |
Distribution Lead in Multiport |
|
LM |
Lead In Multiport |
|
SMOF |
Single Mode Optical Fibre |
|
VOIP |
Voice Over Internet Protocol |
|
SDH |
Synchronous Digital Hierarchy |
|
RF |
Radio Frequency |
|
ATM |
Asynchronous Transfer Mode |
|
MPLS |
Multi Protocol Label Switching |
|
QoS |
Quality Of Service |
|
RFC2544 |
Ethernet performance standard (WAN) |
|
Cat5 |
Copper cable standard |
|
Cat6 |
Copper cable standard |
|
Cat7 |
Copper cable standard |
|
OM1 |
Optical fibre cable standard |
|
OM2 |
Optical fibre cable standard |
|
OM3 |
Optical fibre cable standard |
|
DWDM |
Dense Wave Division Multiplexing |
|
CWDM |
Course Wave Division Multiplexing |
|
IL |
Insertion Loss |
|
LL |
Link Loss |
|
OTDR |
Optical Time Domain Reflectometer |
|
OSA |
Optical Spectrum Analyser |
|
dB |
Decibel |
|
Attenuation |
Cable loss at a frequency of wavelength |
|
CD |
Chromatic Dispersion |
|
PMD |
Polarisation Modal Dispersion |
|
Ethernet |
Frame-based transmission technology |
|
IP |
Internet Protocol |
|
Hub |
Device that relays incoming messages to all outgoing ports |
|
Switch |
Device that relays incoming messages to only the port that each message is destined for |
|
Router |
Device that seperates LAN from WAN by transferring only those messages that need to tranverse the WAN |
|
CRC |
Cyclic redundancy check |
|
PRBS |
Pseudo Random Binary Sequence |
|
M-2100 |
SDH error mesurement standard |
|
G.826 |
SDH error mesurement standard |
|
G.821 |
SDH error mesurement standard |
|
Jumbo Frames |
Ethernet frames larger than 1518 bytes |
|
Runts |
Ethernet frames smaller than 64 bytes |
|
VPI |
Virtual Path Identifier |
|
VCI |
Virtual Channel Identifier |
|
OAM |
Operation, Administration, and Maintenance |
|
MEF |
Metro Ethernet Forum |
|
ADSL |
Asynchronous Digital Subscriber Line |
|
SHDSL |
Synchronous High Speed Digital Subscriber Line |
|
VDSL |
Very High bit rate Digital Subscriber Line |
|
ADSL2+ |
Asynchronous Digital Subscriber Line |
|
IPTV |
Internet Protocol Television |
