Rear view of the BladeCenter S chassis

Fan modules, I/O modules, power modules, the advanced management module, and the serial pass-thru module are in the rear of the BladeCenter S chassis.

Note: Each bay in the BladeCenter S chassis must have either a device or a filler installed.

The following illustration shows the rear of the BladeCenter S chassis.

Advanced management module
The advanced management module is a hot-swap module that you use to configure and manage all installed BladeCenter components. The BladeCenter S chassis comes with one advanced management module in the advanced management module bay.
Serial pass-thru module
The serial pass-thru module has six serial ports that you can use to directly attach a four-wire serial RJ-45 connector to each of the blade servers in the BladeCenter S chassis. If you use the serial pass-thru module, it must be installed in the serial pass-thru module bay.
I/O modules
You can install up to four I/O modules in the BladeCenter S chassis, including Ethernet switch modules, Fibre Channel switch modules, pass-thru modules (optical and copper), SAS connectivity modules, and SAS RAID controller modules.
Power modules
The BladeCenter S system supports up to four autoranging power modules that are capable of supporting either 110 V ac or 220 V ac.
Fan modules
The BladeCenter S chassis comes with four installed hot-swap fan modules.

Parent topic: Components of the BladeCenter S system