UM IP gateways. IPv6 support for UM IP gateways. Enabling and disabling a UM IP gateway. Overview of UM IP gateways. Traditionally, gateway is a term that describes a physical device that connects two incompatible networks.
SDXC. SDXC is the next version of the SD standard, which is designed to allow storage capacities from 32 GB to 2 TB (Terabytes). SDXC cards in current production have capacities up to 64 GB only. They are formatted with exFAT file format.
Secure Digital memory cards are significantly smaller than CompactFlash cards, and are equipped with a nine-pin interface as compared to the 50-pin interface of the CompactFlash. The result of having fewer interface pins means that the SD cards are limited to a four-bit data bus, whereas CompactFlash cards have a 16-bit data transfer bus.