These low smoke halogen-free cables are laid on hooks, pulled through ducts or cable trays. Compact Tube: 6 or 12 singlemode optical fibres G652 or multimode fibers assembled under thermoplastic“peelable” skin. You want more information ?Halogen-free optical cable Urban railway - Telecommunication K209B & K209C specification SNCF approved Excellent impact and crush resistance Resistance to mineral oils, acids and bases Rodent protection Installation in tunnels or in establishments open to the public Telecoms and signaling links. The cables are designed for long distance telecommunication and using optical fibres in urban railways infrastructure. at high data rates, large. APIs are used to load scripts: geolocation, search engines, translations,. disallowed - This service can install 22 cookies. Ad networks can generate revenue by selling advertising space on the site. The audience measurement services used to. K209A Type: For K209A type, the cables have loose tubes with 6-12 fi bers, steel wire strand as central strength member, glass yarn reinforced, incorporating a corrugated steel tape armour and an outer UV stabilized LSZH jacket.