Cisco93180#show interface ethernet 1/51 transceiver details
Ethernet1/51
     transceiver is present
     type  is QSFP-100G-SR4
     name is OEM
     part number is QSFP-100G-SR4-S
     revision is 02
     serial number is YAPZC009
     nominal bitrate is 25500 MBit/sec
     Link length supported for 50/125um OM3 fiber is 70m
     cisco id is 17
     cisco extended id number is 220