Actually a dock should provide all interfaces of the docked tablet and be mechanically stable. However, the EDD D1B1 missing, among other things, a further USB port in addition to the power supply and a much better dish. A specification for the available interfaces of the proprietary Samsung jack I have found neither Samsung nor the Web: - (( However, a good feature has the Dock: shell and electronics are 2 (separable) components / modules. Unfortunately, a bowl for my Galaxy Tab 10.1N (GT-P7501) is not available separately from Samsung, despite modularization. Since the marketing has probably prevailed over the development engineers. So I additionally bought Dock EDD D1B1 (with poorer electronic box) and the shell of the Electronics clipped ECR D980. Now I can connect the Tab in my media system via HDMI and utilize resources such as streaming server. Unfortunately, I now have an unnecessary, but paid, pin-compatible shell for P1000 and the limited electronic box from the EDD D1B1. So a non-existing of Samsung product. Marketing and support of Samsung have so victorious against me: The components are not individually purchasable, not even as a spare part.
