Abbreviation:
PAGA-Public address general alarm ;
PAS-Public address speaklouder;
PAT-Public address telephone station;
PAB-Public address Beacon;
PAC-Public address control unit;
MDF-Distributing Frame;
ODF-Optic Fiber Distributing Frame;
CCTV-CCTV;
CAM-Camera;
CAME-Camera Ex proof;
IDR-Intrusion detector receiver;
IDS-Intrusion detector system;
IDT-Intrusion detector transmitter;
PBX-Private branch exchange;
LAN-Local area network;
VSAT-Very small aperture terminal;
EMSV-Emergency Mobile Satellite Vehicle RFTS-Remote Fiber Test System
IAS-Integration Alarm System
HSWR-High-power Short-wave Radio System PCS-Patrolling Control System
NVS: Network Video Server
DVR: Digital Video Recorder
PSTN: Public Switched Telephone Network IAD: Integrated Access Device
ODU: Outdoor Unit
IDU: Indoor Unit
PBX: Private Automatic Branch Exchange MCU: Multi-point Control Unit
VTE: Virtual Terminal Environment
VSAT: Very Small Aperture Terminal
VCS: Video Conference System
LNB: Low noise block
SMC: Network Management Server for VCS DCC: Data Communication Channels
BNC: Bayonet Nut Connector
CCTV Closed Circuit Television Systems
CD Compact Disc
EMI Electro Magnetic Interference
FAT Factory Acceptance Test
FGS Fire and Gas System
ICSS Integrated Control and Safety System
IEC International Electro-technical Commission IEEE Institute of Electrical and Electronic Engineers IP Ingress Protection, Internet Protocol
ISO International Standards Organization
ITU International Telecommunication Union
LCD Liquid Crystal Display
MPEG Moving Picture Experts Group
OEM Original Equipment Manufacturer
PTZ Pan Tilt Zoom
PTC Positive Temperature Coefficient
RAID Redundant Array of Independent Disk
RFI Radio Frequency Interference
SAT Site Acceptance Test
CR Control Room
UPS Uninterruptible Power Supply
VMD Video Motion Detection
gutterway , 排水沟
conduit, 导水管
erosion, 腐蚀
rocks not exposed in the ground (surface of the soil,
rock layer shallow) soil category v and above
the rocks exposed in the ground
soil category Ⅴand above
1. all dimensions are in mm unless otherwise specified.
pipe rack 管廊
emergency eye wash station 释义紧急洗眼台。