LL Remote Analog Sub-Multiplexer, 8.75 x 6 x 8, with the back featuring a NASA George C. Marshall Space Flight Center parts tag that reads: “LL Remote Analog Sub-Mux - #5 - , Assy No. 50M12970-9, Mod. No. 103, Div. ASTR, Contr. No. NAS8-25035, Accept Date 4-73, Serial No. 7200005, MEAS No. 702A452, WT (LB) 12.8, Mfd. By Teledyne Systems Co.” The front and back sides of the unit contain a total of six ports, the sides are stenciled “50M72824-9” and “50M72823-5, TE0 501,” and the top bears a “Property NASA, U.S. Government” label. In fine condition, with scattered marks and scuffs.
The primary function of a remote analog sub-multiplexer is to collect analog signals from different sensors, devices, or sources distributed across a system and then multiplex or combine these signals into a single data stream. This consolidated data stream can then be transmitted to a central processing unit or monitoring station, usually over a communication network. MSFC installed these united in ground simulators as part of an assemblage of kits designed to replicate launch vehicle functionality.
From The Peter Gerry Collection.
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