Part 04043589 is compatible in the following Models:

HPE FlexNetwork MSR93x Router Series

HPE MSR931 Router - JG514B
HPE MSR931 3G Router - JG515A
HPE MSR931 Dual 3G Router - JG531B

HPE Router DTE Cables

HPE X200 V.24 DTE 3m Serial Port Cable - JD519A

HPE Router Smart Interface Cards (SIC)

HPE 1-Port Enhanced Serial SIC A-MSR Mod - JD557A
HPE MSR 2p Enh Sync/Async Srl SIC Mod - JG736A
HPE MSR 4p Enh Sync/Async Srl SIC Mod - JG737A