For a description of the PIC, see SONET/SDH OC3/STM1 (Multi-Rate) PICs with SFP (M40e Router).
Table 22: Optical Interface Support for SONET/SDH OC3/STM1 (Multi-Rate) PICs Configured at an OC3/STM1 Rate
Table 23: Optical Interface Support for SONET/SDH OC3/STM1 (Multi-Rate) PICs Configured at an OC12/STM4 Rate