• Heavy Duty Duct ( HDD ) G 652 D + G 657 A1
• 4 Fibre – 96 Fibre
• Corrugated Steel Tape ( CST ) G 652 D
• 4 Fibre – 24 Fibre
• All Dielectric Self Supporting ( ADSS ) – Short Span Only ( 100m ) G 652 D
• 4 Fibre – 48 Fibre
• Drop Fibre – G 657 A1 ( White & Black )
• 2 Fibre – 4 Fibre

Single-mode means the fibre enables one type of light mode to be propagated at a time. Single-mode fibre is a common type of optical fibre that is used to transmit over longer distances.