Cisco CFP-40G-LR4-RF
Cisco Refresh CFP-40G-LR4-RF 40GBASE-LR4 CFP 10km SM 40G Optical Transceiver Module RF 10-2558-01 IPUIBHDRAA
Cisco Refresh CFP-40G-LR4-RF 40GBASE-LR4 CFP 10km SM 40G Optical Transceiver Module RF 10-2558-01 IPUIBHDRAA