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3.2 System Interfaces and Operating Wavelength
3.2.1 Client interface types supported by submarine digital transmission systems shall meet the requirements listed in Table 3.2.1.
Table 3.2.1 Client interface types supported by submarine digital transmission systems
3.2.2 The optical channel signal type and bit rate of a submarine digital transmission system should meet the requirements listed in Table 3.2.2.
Table 3.2.2 Optical channel signal type of submarine digital transmission systems
3.2.3 Submarine digital transmission systems should work at the 1550nm band.