ANSI: American National Standards Institute American National Standards Institute

AU:Administration Unit

AUG:Administration Unit Group

BAC: Building Automation & Control net

B-ISDN: Brand band ISDN Broadband Integrated Services Digital Network

BMS: Building Management System Intelligent Building Management System

CD:Campus Distributor

ER: Equipment Room

FCC:Fire Alarm System

FCS: Field Control System Fieldbus

FDDI: Fiberdistributed Data Interface fiber optic cable distributed data interface.

FDMA: Frequency Division Multiple Access

FPD: Fire Public Derice

FTTB: Fiber To The Building

FTTC: Fiber To The Curb Fiber To The Curb

FTTH: Fiber To The Home

FW:fire Wall Firewall

PACR: Attonation to Crosstalk Ratio attenuation and crosstalk ratio.

GC:Generic Cabling

GSM: Global System for Mobile communications

HFC:Hybrid fiber coax fiber-coaxial cable hybrid system

I:Interference crosstalk

IA: Intruder Alarm