Types of network passive services:

     Network design and mapping
     Cabling
     Telephone cabling and central installation
     UPS Electrical Cabling
     Duct Hack and Tranking Network
     Installing sockets, keyboards
     Install rack and server room
     Network Surveillance Installation
     Installing sensors and intelligent equipment to control network and infrastructure
     Installation of fire and extinguishing systems for sensitive sectors such as the server room
     Installing network equipment such as switches, routers, servers ...