According to the building fire rating and fire-resistant material requirements, cabling system should take appropriate measures. In flammable region and shafts in the building wiring should be used flame retardant cable or fiber optic cable; in large public places should adopt flame retardant, low smoke, low toxicity cable or fiber optic cable; between adjacent equipment room or the transfer should be used flame retardant wiring devices.

Fiber access can ensure that users with 10Mbps, 100Mbps, 1000Mbps high bandwidth, can be remitted directly connected to the backbone nodes. Mainly applicable to business groups of users and intelligent LAN area, high-speed access to high speed Internet. Available in three specific access to the user.