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sdh接口類(lèi)型有哪幾種？

標(biāo)準(zhǔn)的SDH接口應(yīng)該是STM-1(155.520Mbit/s)、STM-4(622Mbit/s)、STM-16(2.5Gbit/s)、STM-64(10Gbit/s)、STM-256(40Gbit/s) SDH設(shè)備的支路可以承載PDH的信號(hào)，常見(jiàn)的如1.5M、2M、45M、139M等。 MSTP(多業(yè)務(wù)傳送平臺(tái))嚴(yán)格意義上來(lái)說(shuō)也是SDH設(shè)備，除了具備以上業(yè)務(wù)接口類(lèi)型之…

2024-4-26 21:29:04[未知IP0801]網(wǎng)友

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