The Open Systems Adapter (OSA) is a network controller for IBM z/Architecture, ES/9000 and S/390 mainframes. The OSA can be installed in a mainframe I/O cage. The OSA supports Ethernet, Token Ring and FDDI connectivity. The maximum data rate is 10 Gbps.[1][2][3]

References

edit
  1. ^ Local Area Network Concepts and Products: Adapters, Hubs and ATM (PDF) (First ed.). IBM Technical Support Organization. May 1996.
  2. ^ Open Systems Adapter-Express - Customer’s Guide and Reference (PDF). IBM. November 2000.
  3. ^ "Networking on z/OS - Open Systems Adapter (OSA)". IBM.
edit