MRC:
Describes the capabilities,intended use,and/or purpose for which the item is provided.FTLD
Functional Description:
Will provide telephone intercommunications, public address paging and trunk terminations for autovon access lines and local telephone company or military system central office trunks of 5 geodss sites around the world; the structure of the pbx, although not explicitly stated as a reqmt, will be a stored program common control electronic pbx operating an electronic matrix
MRC:
Characteristics or qualities of an item,not covered in any other requirement,which are considered essential information for one or more functions excluding nsn assignment.SUPP
Supplementary Features:
A117 vac porm 5 percent, 60 +2, -3 hz, 30 amp, ac line fused, back up batteries, -50 porm 6 vdc, external dc/ac converters; o/a dim and wt: 5 ft. Square of floor space for pbx switching machine, 600 lbs