1　General Provisions

1.0.1　This code is formulated with a view to ensuring construction quality，unifying acceptance criterion of wavelength division multiplexing（WDM）optical fiber transmission system and providing technical basis for follow-up inspection and acceptance.

1.0.2　This code is applicable to optical fiber transmission systems using either single fiber unidirectional open conventional band dense WDM or single fiber unidirectional open coarse WDM.

1.0.3　Not only the requirements stipulated in this code，but also those in the current relevant ones of the nation shall be complied with.