Single-mode fiber is becoming more common in newer local area networks (LANs) and data centers, used in both traditional networks and passive optical LANs (POLs). You likely will see a lot more single-mode fiber in the future. How familiar are you with it?
Security system components can be integrated with various technologies including heating, ventilating and air conditioning (HVAC); building automation; energy management; information technology (IT); and fire and life safety systems, providing enormous opportunities for electrical contractors.
