Title: Hardware Installation Guide.pdf
In addition to the main power supply and secondary power supply that are required to be provided at the central supervisory station, the system must be provided with an uninterruptable power supply (UPS) with sufficient capacity to operate the computer equipment for a minimum of 15 minutes. If more than 15 minutes is required for the secondary power supply to supply the UPS input power, the UPS must be capable of providing input power for at least that amount of time. A means for disconnecting the input to the UPS while maintaining continuity of power to the automation system must be provided, in order to perform maintenance and repair service.The UPS must comply with the Standard for Uninterruptable Power Supply Equipment, UL1778/ CSA-C22.2 No. 107.3, or the Standard for Fire Protective Signaling Devices, UL1481/ULC-S527.Be sure to use the recommended cabling, which is the shielded wiring required for use on all modules.