COVID-19：作为一家重要的电信解决方案供应商，EXFO在将员工健康和安全作为首要任务的前提下，保持全面运营。
COVID-19：作为一家重要的电信解决方案供应商，EXFO在将员工健康和安全作为首要任务的前提下，保持全面运营。
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。
Points on the edge of the access network that concentrate individual access lines into a smaller number of feeder lines. Access nodes may also perform various forms of protocol conversion. Typical access nodes are digital loop carrier systems concentrating individual voice lines to T1 lines, cellular antenna sites, private branch exchanges and optical network units (ONUs).
