H3C Technologies H3C S7500E Series Switches - Manual (Page 105)

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Section Description Ordering remarks
③ Power supply
section
Provides slots for power
modules.
Power modules are required but not supplied with the
switch.
• The S7500E series provide two power module slots.
• The S7500E series provide power modules of different
specifications and flexible ordering schemes. You can
select them as needed. For more information about
power module models, see "Appendix B Pluggable
module ordering guide."
④ Fan section Provides a slot for the fan tray Fan trays are required and supplied with the switch.
SRPU
For the S7500E series, SRPUs are the core in the control and management plane and switching fabric.
The S7500E series provide 11 types of SRPUs. You can select them as needed.
For SRPU models, see "Appendix B Pluggable module ordering guide."
LPU
The S7500E series provide various types of LPUs and support flexible combination of the LPUs to satisfy
different networking requirements.
For LPU models, see "Appendix B Pluggable module ordering guide."
NOTE:
The installation procedures for SRPUs and LPUs are similar. They are called cards in the following chapters
unless otherwise specified.
Fan tray
The S7500E series provide a fan tray for each type of chassis. The location of fan trays varies depending
on the chassis types.
• The fan tray of the S7502E, S7503E-S, S7503E, S7506E-S, S7506E, and S7510E switches is
installed on the right side of the front of the chassis.
• The fan tray of the S7506E-V is installed on the upper part of the front of the chassis.
Air filter
CAUTION:
Clean air filters periodically (at least once every three months) to guarantee adequate ventilation and heat
dissipation.
To prevent dust from entering the chassis, the S7500E series provide an air filter (optional) at the air
intake on the chassis.