Incident Support Unit (ISU)
This vehicle has a 40-foot-long, 11-foot-10-inch-high custom body, with a 300-hp diesel engine. Its primary electrical feed is a 35,000-watt power takeoff generator, and it has uninterrupted power supply (UPS) unit to power all the radios, telephones and computers. A 12.5 diesel generator equipped with remote startup backs up the UPS. Also, part of the vehicle has a 200-amp entrance cabinet for hookup to public utility companies. The vehicle is located in the central part of the state at the Fire Academy in Stow and is available for statewide support. All functions inside the ISU are monitored, and two security cameras are mounted on the exterior of the vehicle. The design of the interior wiring was completed in-house with the intention of a1lowing easier access and troubleshooting.
The vehicle is divided into two general areas. The front portion is a fully equipped conference room, providing video, telephone, and radio communication from which to manage an incident. The rear section is the communication center. Two radio consoles provide low, high, ultra-high, and 800 frequency communication and represent the brain center of the unit. These frequencies cover all fire departments statewide, including ITAC (National Itinerant Mutual Tactical Channel), local public safety channels, and marine channels as well as such state agencies as the Department of Fire Services, Massachusetts Emergency Management Agency, State Police, Massachusetts Highway, and U.S. Coast Guard.
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