Specification Sheet

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parameters can be accessed through the I2C interface at address A0h and A2h. The memory
is mapped in Table 1. Detailed ID information (A0h) is listed in Table 2. And the DDM
specification at address A2h. For more details of the memory map and byte definitions, please
refer to the SFF-8472, “Digital Diagnostic Monitoring Interface for Optical Transceivers”. The
DDM parameters have been internally calibrated.
Table 1. Digital Diagnostic Memory Map (Specific Data Field Descriptions)