技术在快速发展进步。因此，我们建立了易于使用的术语汇编，帮助您更好地了解影响您业务的术语、技术和趋势。
A network device that converts digital data frames from the communications technology used on a local-area network (LAN) into frames appropriate to the communications technology used on the wide-area network (WAN) and vice versa.
