Part JD193B is compatible in the following Models:

HPE FlexNetwork 7500 Switch Series

HPE A7510 Switch Chassis - JD238B
HPE A7506 Switch Chassis - JD239B
HPE A7503 Switch Chassis - JD240B
HPE A7506 Vertical Switch Chassis - JD241B
HPE 7503 Swch w/48p GT 2p 10G 384Gbps MPU - JG507A
HPE 7506 Swch w/96p GT 2p 10G 384Gbps MPU - JG508A

HPE Switch Fabric Modules

HPE 384 Gbps A7500 Fab Mod w/2 XFP Ports - JD193B