This is an adaptor cable which allows any user who upgrades to an MDR.X from a Latitude MDR (MDR.M, MDR.MB & Sidekick) to use their existing run stop cables.
8 inch / 20 cm length
It has a 6 pin 0B size plug to connect to the MDR.X CAM socket and a 00B reciprocal socket to accept the 00B plug of the Latitude cables: