HP Mainframe Connectivity Design Guide

NOTE:
Starting with release 4.1(1b), Cisco MDS 9000 SAN-OS software is rebranded to Cisco MDS
9000 NX-OS software. Software prior to NX-OS 4.1(1b) uses the SAN-OS name and remains on
the 3.x code stream. NX-OS is designed to operate with switches running SAN-OS software.
NX-OS 4.1(1c) is the first NX-OS version that is certified to support FICON.
48 C-series FICON directors and fabric rules