Table17.1 SONET/SDH速率 STS oc Rate (Mbps) STM STS-1 0C-1 51.840 STS-3 0C-3 155.520 STM-1 STS-9 0C-9 466.560 STM-3 STS-12 0C-12 622.080 STM-4 STS-18 OC-18 933.120 STM-6 STS-24 0C-24 1244.160 STM-8 STS-36 0C-36 1866.230 STM-12 STS-48 0C-48 2488.320 STM-16 STS,synchronous transport signal,同步传输信号 OC,optical carrier,光载波 STM,synchronous transport module,同步传输模块17.4 Table 17.1 SONET/SDH速率 STS,synchronous transport signal,同步传输信号 OC,optical carrier，光载波 STM,synchronous transport module,同步传输模块