1. Integrated Cabling and Network Equipment Selection
Core elements of integrated cabling equipment selection: performance grade Cat6/Cat6A/Cat8 determined by information point usage and transmission rate; shielding structure UTP/FTP/SFTP selected based on EMI environment; flame retardant grade LSZH/CM/CMR/CMP selected based on fire protection requirements; brand selection includes domestic brands such as TCL-Legrand, Potevio, Datang Telecom, and international brands such as Panduit, CommScope, Siemon.
2. Security Surveillance System Equipment Selection
Video surveillance equipment selection points: camera resolution 2MP/5MP/8MP, hotels recommended ≥5MP; sensor type CMOS/CCD, low-light performance requirement 0.01Lux; intelligent functions including face recognition, license plate recognition, line-crossing detection, abandoned object detection; encoding compression H.265+/SVAC/H.264; storage scheme NVR/CVR/cloud storage, storage capacity calculated at 35-50GB per channel per day for 5MP cameras, storage ≥30 days.
3. Building Automation and Control Equipment Selection
Core elements of BAS equipment selection: DDC controllers selected by point count—small 16 points, medium 32 points, large 64 points, supporting BACnet MS/TP or BACnet/IP; sensor temperature accuracy ±0.2℃, humidity accuracy ±2%RH, pressure accuracy ±1%, CO2 accuracy ±30ppm; actuators analog 0-10V/4-20mA or digital floating-point switch type, valve diameter matched; VFDs selected according to motor power, supporting BACnet or Modbus communication.
4. Equipment Selection Economic Analysis and Configuration Optimization
Equipment selection requires comprehensive consideration of technical performance, economics, maintainability, and supplier service capability. Economic analysis methods: Life Cycle Cost LCC = initial procurement cost + O&M cost + energy consumption cost + repair cost − residual value; cost-effectiveness evaluation = performance score �� unit cost; investment payback period—energy-saving equipment recovers the investment difference through energy-saving benefits within 3-5 years.