Apollo Command Module Lunar Docking Events Controller (LDEC) by Autonetics, 6 x 8.5 x 11.75, with four connectors on top labeled “J1” through “J4,” and a fifth on the front labeled “J5.” The main body of the controller bears four labels: a metal Autonetics label, reading: "Controller-Lunar Docking Vents A18A, NAASE ID, Cont No. ME 476-035-0002…Contr No. NAS 9-150, Pt No. 41004-102, Mfg Date. Oct 30 '68, Ser No. A18A-026"; labels for "Acceptance Vibration Time" and "Acceptance Thermal testing Time," both bearing inspection stamps, each respectively dated "JUL 19 '68" and "OCT 22 '68"; and a second Autonetics label, "Ser. No. 06359-565388A, Mfg. Date OCT 30 '68, Part No. 40817-306-1, Cont. No. NAS9-150." In fine condition. The LDEC, in parallel with the LM Separation Sequence Controller (LSSC), was responsible for energizing pyro squibs to separate the Lunar Module from the Spacecraft LM Adapter; it subsequently sequenced final separation of the LM docking ring during Lunar Module jettison from the Command Module.
Terms and abbreviations used in our descriptions.