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计算公式：155M = 1 * au-4 = 3 * tug-3 = 3 * 7 * tug2 = 3 * 7 * 3 * tu12（E1）
自动生成Serial口，封装PPP或HDLC，最多可分63个通道，每个通道对应一个E1口，
思科与华为设备对接应注意通道编号对应表
配置如下，这种是成帧模式，通道化的E1线路，也可以对每个E1线路改成非成帧：
controller SONET 3/0
framing sdh clock source internal ! au-4 1 tug-3 1 tug-2 1 e1 1 channel-group 0 timeslots 1-31 tug-2 1 e1 1 framing no-crc4 tug-2 1 e1 2 channel-group 0 timeslots 1-31 tug-2 1 e1 2 framing no-crc4 tug-2 1 e1 3 channel-group 0 timeslots 1-31 tug-2 1 e1 3 framing no-crc4 tug-2 2 e1 1 channel-group 0 timeslots 1-31 tug-2 2 e1 1 framing no-crc4 tug-2 2 e1 2 channel-group 0 timeslots 1-31 tug-2 2 e1 2 framing no-crc4 tug-2 2 e1 3 channel-group 0 timeslots 1-31 tug-2 2 e1 3 framing no-crc4 tug-2 3 e1 1 channel-group 0 timeslots 1-31 tug-2 3 e1 1 framing no-crc4 tug-2 3 e1 2 channel-group 0 timeslots 1-31 tug-2 3 e1 2 framing no-crc4 tug-2 3 e1 3 channel-group 0 timeslots 1-31 tug-2 3 e1 3 framing no-crc4 tug-2 4 e1 1 channel-group 0 timeslots 1-31 tug-2 4 e1 1 framing no-crc4 tug-2 4 e1 2 channel-group 0 timeslots 1-31 tug-2 4 e1 2 framing no-crc4 tug-2 4 e1 3 channel-group 0 timeslots 1-31 tug-2 4 e1 3 framing no-crc4 tug-2 5 e1 1 channel-group 0 timeslots 1-31 tug-2 5 e1 1 framing no-crc4 tug-2 5 e1 2 channel-group 0 timeslots 1-31 tug-2 5 e1 2 framing no-crc4 tug-2 5 e1 3 channel-group 0 timeslots 1-31 tug-2 5 e1 3 framing no-crc4 tug-2 6 e1 1 channel-group 0 timeslots 1-31 tug-2 6 e1 1 framing no-crc4 tug-2 6 e1 2 channel-group 0 timeslots 1-31 tug-2 6 e1 2 framing no-crc4 tug-2 6 e1 3 channel-group 0 timeslots 1-31 tug-2 6 e1 3 framing no-crc4 tug-2 7 e1 1 channel-group 0 timeslots 1-31 tug-2 7 e1 1 framing no-crc4 tug-2 7 e1 2 channel-group 0 timeslots 1-31 tug-2 7 e1 3 channel-group 0 timeslots 1-31 tug-2 7 e1 3 framing no-crc4 ! au-4 1 tug-3 2 tug-2 1 e1 1 channel-group 0 timeslots 1-31 tug-2 1 e1 1 framing no-crc4 tug-2 1 e1 2 channel-group 0 timeslots 1-31 tug-2 1 e1 2 framing no-crc4 tug-2 1 e1 3 channel-group 0 timeslots 1-31 tug-2 1 e1 3 framing no-crc4 tug-2 2 e1 1 channel-group 0 timeslots 1-31 tug-2 2 e1 1 framing no-crc4 tug-2 2 e1 2 channel-group 0 timeslots 1-31 tug-2 2 e1 2 framing no-crc4 tug-2 2 e1 3 channel-group 0 timeslots 1-31 tug-2 2 e1 3 framing no-crc4 tug-2 3 e1 1 channel-group 0 timeslots 1-31 tug-2 3 e1 1 framing no-crc4 tug-2 3 e1 2 channel-group 0 timeslots 1-31 tug-2 3 e1 2 framing no-crc4 tug-2 3 e1 3 channel-group 0 timeslots 1-31 tug-2 3 e1 3 framing no-crc4 tug-2 4 e1 1 channel-group 0 timeslots 1-31 tug-2 4 e1 1 framing no-crc4 tug-2 4 e1 2 channel-group 0 timeslots 1-31 tug-2 4 e1 2 framing no-crc4 tug-2 4 e1 3 channel-group 0 timeslots 1-31 tug-2 4 e1 3 framing no-crc4 tug-2 5 e1 1 channel-group 0 timeslots 1-31 tug-2 5 e1 1 framing no-crc4 tug-2 5 e1 2 channel-group 0 timeslots 1-31 tug-2 5 e1 2 framing no-crc4 tug-2 5 e1 3 channel-group 0 timeslots 1-31 tug-2 5 e1 3 framing no-crc4 tug-2 6 e1 1 channel-group 0 timeslots 1-31 tug-2 6 e1 1 framing no-crc4 tug-2 6 e1 2 channel-group 0 timeslots 1-31 tug-2 6 e1 2 framing no-crc4 tug-2 6 e1 3 channel-group 0 timeslots 1-31 tug-2 6 e1 3 framing no-crc4 tug-2 7 e1 1 channel-group 0 timeslots 1-31 tug-2 7 e1 1 framing no-crc4 tug-2 7 e1 2 channel-group 0 timeslots 1-31 tug-2 7 e1 2 framing no-crc4 tug-2 7 e1 3 channel-group 0 timeslots 1-31 tug-2 7 e1 3 framing no-crc4 ! au-4 1 tug-3 3 tug-2 1 e1 1 channel-group 0 timeslots 1-31 tug-2 1 e1 1 framing no-crc4 tug-2 1 e1 2 channel-group 0 timeslots 1-31 tug-2 1 e1 2 framing no-crc4 tug-2 1 e1 3 channel-group 0 timeslots 1-31 tug-2 1 e1 3 framing no-crc4 tug-2 2 e1 1 channel-group 0 timeslots 1-31 tug-2 2 e1 1 framing no-crc4 tug-2 2 e1 2 channel-group 0 timeslots 1-31 tug-2 2 e1 2 framing no-crc4 tug-2 2 e1 3 channel-group 0 timeslots 1-31 tug-2 2 e1 3 framing no-crc4 tug-2 3 e1 1 channel-group 0 timeslots 1-31 tug-2 3 e1 1 framing no-crc4 tug-2 3 e1 2 channel-group 0 timeslots 1-31 tug-2 3 e1 2 framing no-crc4 tug-2 3 e1 3 channel-group 0 timeslots 1-31 tug-2 3 e1 3 framing no-crc4 tug-2 4 e1 1 channel-group 0 timeslots 1-31 tug-2 4 e1 1 framing no-crc4 tug-2 4 e1 2 channel-group 0 timeslots 1-31 tug-2 4 e1 2 framing no-crc4 tug-2 4 e1 3 channel-group 0 timeslots 1-31 tug-2 4 e1 3 framing no-crc4 tug-2 5 e1 1 channel-group 0 timeslots 1-31 tug-2 5 e1 1 framing no-crc4 tug-2 5 e1 2 channel-group 0 timeslots 1-31 tug-2 5 e1 2 framing no-crc4 tug-2 5 e1 3 channel-group 0 timeslots 1-31 tug-2 5 e1 3 framing no-crc4 tug-2 6 e1 1 channel-group 0 timeslots 1-31 tug-2 6 e1 1 framing no-crc4 tug-2 6 e1 2 channel-group 0 timeslots 1-31 tug-2 6 e1 2 framing no-crc4 tug-2 6 e1 3 channel-group 0 timeslots 1-31 tug-2 6 e1 3 framing no-crc4 tug-2 7 e1 1 channel-group 0 timeslots 1-31 tug-2 7 e1 1 framing no-crc4 tug-2 7 e1 2 channel-group 0 timeslots 1-31 tug-2 7 e1 3 channel-group 0 timeslots 1-31 tug-2 7 e1 3 framing no-crc4!例：
interface Serial3/0/0.1/1/1/2:0
encapsulation ppp