Ha, this is why "**5" cannot be used in the digitmap, As RonR mentioned in the other thread, "**5" is hard coded into OBi device, however, I searched the admin guide and found no mention of the use of "**5" , yet, user cannot use it. can OBiHai add a description of "**5" into the next version of admin guide, so that people like me does not accidentally use it in the digitmap and not know why it does not work? Thanks