H3C SR6608-X 路由器机框 H3C SR66 系列路由器-可选MIM模块 RT-MIM-2GBE-H3 2端口M Base-T电口(RJ45)模块 RT-MIM-8E1(75)-H3 8端口E1/CE1/PRI 接口模块(75ohm) RT-MIM-8E1(75)-F-H3 8端口非通道化E1接口模块(75ohm) RT-MIM-2SAE-H3 2路增强型同/异步接口模块 RT-MIM-4SAE-H3 4路增强型同/异步接口模块 RT-MIM-8SAE-H3 8端口增强型同/异步串口模块