| 单词 | OTU (Optical Transport Unit) |
| 释义 | OTU (Optical Transport Unit) In an optical transport network (OTN), an optical channel for trans- porting optical data units (ODUs), which comprise native frames encapsulated in digital wrappers. ITU-T Recommendation G.709 specifies three line rates, which are listed in Table O-2, alongside their corresponding SDH/SONET line rates. |
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