Part JF270B is compatible in the following Models:

HPE MSR Router Flexible Interface Cards (FIC)

HPE MSR 2-port 1000BASE-X FIC Module - JF270B

HPE MSR50 Series

HPE A-MSR50-40 Multi-Service Router - JD433A
HPE A-MSR50-60 Multi-Service Router - JF231A
HPE A-MSR50-40 DC Multi-Service Router - JF285A
HPE MSR50-60 Rtr Chassis w DC PwrSupply - JF640A