With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcFeModuleCapacity
fc Fe Module Capacity
1.3.6.1.2.1.75.1.1.3
The maximum number of modules in the Fabric Element, regardless of their current state.
Back to FIBRE-CHANNEL-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcFeModuleCapacity on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.