Have you ever tried this app from Android market? It claims it works with NASs from several manufacturers, including D-Link
https://play.google.com/store/apps/details?id=com.bliquid.naswakeonlan&feature=search_result#?t=W251bGwsMSwxLDEsImNvbS5ibGlxdWlkLm5hc3dha2VvbmxhbiJd