介绍MGW与RNC、SERVER的协议栈模型，并进行了MGW与RNC割接时，MGW侧的数据配置，主要是ATM承载配置，包括了ATM物理层数据配置、传输网络层控制面配置、传输网络层用户面配置和信令转发配置。-Introduction MGW and RNC, SERVER protocol stack model, and when the MGW and RNC cutover, MGW side data configuration, mainly ATM bearer configuration, including the ATM physical layer configuration, the transmission network layer control plane configuration, transmission network layer configuration and user plane signaling forwarding configuration.