... or Next-Generation Network (NGN) to allow any media, including phones, handsets, and computers to communicate at ... the total number of slots availableThe flash memory storage can be expanded with a Micro- ... (RJ45) interface cardAR01WSX220BIndustrial computer, Celeron 847E, DDR3 4 GB, 2.5-inch 1 TB HDD, CFAST 4G, ... Enterprise Network AR production only)N0MSD4G01Micro-SD card, 4 GB, CLASS 6, 2.7V to 3.6V, ...