What are the requirements for an Uninterruptible Power Supply (UPS)?
80.1099. (b).(I). The UPS must insure a continuous supply of electrical power to communications equipment in the event of a ships main or emergency-sourced power failure. NOTE: The UPS should be operational within 5 seconds of switching on. To provide for failure of the single UPS, a second UPS or means for directly supplying the radio installation from ships main or emergency supply should be installed and be available permanently. The changeover to the second UPS or ships supplies may be manual or automatic. . The changeover should not require any of the equipment connected to it to be re-initialized manually and should not result in loss of data stored in memory. The UPS must be able to service the load requirements determined in SOLAS 1974 IV/13.2, 13.4 and 13.6 taking into consideration duplication equipment when provided. The capacity of the battery charger(s) used in the UPS should be sufficient to comply with regulation IV/13.
