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标准的SDH接口应该是STM-1(155.520Mbit/s)、STM-4(622Mbit/s)、STM-16(2.5Gbit/s)、STM-64(10Gbit/s)、STM-256(40Gbit/s) SDH设备的支路可以承载PDH的信号,常见的如1.5M、2M、45M、139M等。 MSTP(多业务传送平台)严格意义上来说也是SDH设备,除了具备以上业务接口类型之…
2024-5-1 5:12:03[未知IP0801]网友
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