[信息与通信]TOMC920硬件安装Netra

OMC920硬件__(Netra 240)TOMC 硬件__（Netra 240)TOMC920硬件介绍TOMC920硬件__准备__N68E-22机柜__机柜内部组件__机柜电源线和地线__机柜__