Apollo Command Module Block II Up-Data Link (UDL) equipment measuring approximately 9 x 17.75 x 5.5, labeled “C28-1A103.” The unit has five connectors, “J1” through “J5” on the top, and another, “J6,” on the side with impressed part numbers: “0001, 01-23760001, 061411200004, 6/24/66.” In fine condition. The up-data link consists of detecting and decoding circuitry, a buffer storage unit, output relay drivers, and a power supply, and provides the means for the ground to update the computer and the central timing equipment of the spacecraft. The device could receive, verify, and distribute digital updating information sent from the Manned Space Flight Network at various times throughout the mission. Due to the size and/or fragile nature of this item, special packing and shipping options will apply. Please call RR Auction for a quote.
Terms and abbreviations used in our descriptions.