Overview
Figure 2: Cisco UCS X9508 Server Chassis, Rear
1
3
Power Entry Modules
2
(PEMs) for facility inlet
power
Each PEM contains 3 IEC
320 C20 inlets.
• PEM 1 is at the top
of the chassis, and it
supports IEC inlets 1
through 3, with inlet
1 at the top of PEM
1.
• PEM 2 is at the
bottom of chassis,
and it supports IEC
inlets 4 through 6,
with inlet 4 at the top
of PEM 2
System fans (four)
4
Cisco UCS X9508 Server Chassis Installation Guide
System Overview
Intelligent Fabric Modules
(shown populated), which
are always deployed as a
pair of the following:
• Cisco UCS 9108
25G modules
Expansion slots (two).
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