| B-PON |
Broadband PON, allows additional services to APON, such as broadcast video or additional data |
| CAPEX |
Capital expenditures |
| CLEC |
Competitive Local Exchange Carrier |
| CPE |
Customer Premises Equipment |
| DWDM |
Dense WDM |
| EPON |
Ethernet PON |
| Ethernet |
An IEEE data communications protocol originally developed for premises and local access network (IEEE 802.3) |
| FITL |
Fiber in the Loop, deployment of fiber on class 5 telephone switches |
| FTF |
Fiber to the Feeder |
| FTTC |
Fiber to the Curb |
| FTTCab |
Fiber to the cabinet |
| FTTH |
Fiber to the Home |
| FTTN |
Fiber to the Node |
| FTTU |
Fiber to the Unit |
| HFC |
Hybrid Fiber Coax |
| ILEC |
Incumbent Local Exchange Carrier |
| MAN |
Metropolitan Area Network |
| MDU |
Multi Dwelling Unit |
| Mid-span joint |
A cable is stripped in the middle of a length, where only selected fibers are cut and joined |
| Micro cable |
Cables intended to be blown through micro ducts |
| Micro duct |
Small, light, flexible tube with outer diameter less than 16 mm |
| MTU |
Multiple Tenant Unit |
| ODF |
Optical Distribution Frame |
| OLT |
Optical Line Termination. Network-side interface |
| ONU |
Optical Network Unit. User-side interface |
| OPEX |
Operational expenditures |
| P2MP |
Point-To-Multi-Point |
| P2P |
Point-To-Point |
| PON |
Passive Optical Network |
| RBOC |
Regional Bell Operating Company
Redundancy Several alternative communication paths |
| WDM |
Wavelength Division Multiplexing |
