This unit work and it pull from working environment,

 Honeywell Intelliguard 9000™ Security System (I9000) protects
offices, warehouses and other businesses as part of the
Enterprise Buildings Integrator™ (EBI) System. The I9000
uses Hold-up (HU) Detectors to alert outside help to a current
hold-up and Hall Effect Door Switches (HEDS IV) to monitor
door openings. Other detection devices and outputs can be
linked to the I9000 when they conform to the requirements in
form no. 74-3035, Intelliguard 9000 Specification Data.

Components can be connected:
— 8003-217 Remote Intelligent Power Supply (RIPS).
— 8003-220 Area Keypad (KID).
— 8003-238 Complete 6-Input Concentrator (BIC-6).
— 8003-242 2-Input Concentrator (BIC-2).
— 8003-277 Keypad Control Center (CC2).
— 8003-283 Hall Effect Door Switch (HEDS IV) Complete
Assembly (includes Sensor and Magnet Assembly).
— 8003-284 2-Input Concentrator Hold-up Actuator
(BIC-2 HU).
----- VPU and SPU : Vault and Safe vibration detectors.