Dell PS-M4110 User Manual page 160

The following figure shows the location of IOMs in the chassis. The location of each IOM is indicated by its group
number (A, B, or C). These discrete fabric paths are split into two IO Banks, bank one and two. On the chassis, the IOM
slot names are marked A1, A2, B1, B2, C1, and C2.
Figure 4. Rear View of a Chassis, Showing the Location of the IOMs
1 Bank 1 (Slots A1, B1, C1)
CMC creates entries in both the hardware log and CMC logs for invalid hardware configurations.
For example:
• An Ethernet MC connected to a Fibre Channel IOM is an invalid configuration. However, an Ethernet MC
connected to both an Ethernet switch and an Ethernet pass-through IOM installed in the same IOM group is a
valid connection.
• A Fibre Channel pass-through IOM and a fibre channel switch IOM in slots B1 and B2 is a valid configuration if
the first MCs on all of the servers are also fibre channel. In this case, CMC powers-on the IOMs and the servers.
However, certain fibre channel redundancy software may not support this configuration; not all valid
configurations are necessarily supported configurations.
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2 Bank 2 (Slots A2, B2, C2)