Building type	Cabling type	Enabling specification
PBSA	FTTB	ASK4 Enabling Specification Student FTTB V10.2
		ASK4 Enabling Specification Student FTTB V10.1
		ASK4 Enabling Specification Student FTTB V10.0
PBSA	FTTH	ASK4 Enabling Specification Student FTTH V2.2
		ASK4 Enabling Specification Student FTTH V2.1
		ASK4 Enabling Specification Student FTTH V2.0
BTR	FTTB	ASK4 Enabling Specification BTR FTTB V2.3
		ASK4 Enabling Specification BTR FTTB V2.2
		ASK4 Enabling Specification BTR FTTB V2.1
BTR	FTTH	ASK4 Enabling Specification BTR FTTH V2.3
		ASK4 Enabling Specification BTR FTTH V2.2
		ASK4 Enabling Specification BTR FTTH V2.1
		ASK4 Enabling Specification BTR FTTH V2.0