Special Features:

Function, alarm amplifier module; reference data, pt 6990.1, fa-7861, pg 10-5, vol 2; 1 mounting bracket; 2 rotary switches; 1 circuit card assembly; 1 capacitor; 1 bell assembly

Properties:

A grouping of two or more different types of electrical/electronic components mounted on a common mounting. it may include an assembly of electrical/electronic components mounted on multiple printed wiring board(s) mounted back to back, stacked, and the like. the item is generally a component of a subassembly and cannot be assigned a more definite item name. excludes items which may be identified as a subassembly. for an assembly of electrical/electronic components mounted on a single printed wiring board, see circuit card asseembly. do not use if a more specific name applies.