allow device_id has digits only
allow device_id has digits only

LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS,LinkItONEDevGroup/LASS