APSFL SHORT CODES

POP:- Point of Presence
GEPON:-Gigabit Passive Optical Networks
FTTH:-Fiber To The Home
OLT:-optical line terminal 
ONU:-Optical Network Unit
PON:- passive optical network 
ISP:-Internet service provider
CATV:-"cable network tv
IPTV:-Internet Protocol television
OSS:-Operations Support Systems
BSS:-Business Support Systems
HSI:-High-Speed Internet.
ASP:-application service provide
MSP:-managed service provider
TSP:-Telecommunications Service Priority
CAS:-Channel-associated signaling
DRM:-Digital Radio Mondiale
ADSS:-All-Dielectric Self-Supporting (cable)
DWDM:-Dense Wavelength Division Multiplexing 
IPMPLS:-Internet Protocol Multiprotocol Label Switching