H3C S12500R Series Hardware Reference Manual page 14

Figure 1-10 Front and rear views of the S12516CR
Table 1-3 Section description for the S12516CR
Section
Power supply section
Environment management module section
MPU section
(Ejector levers of the MPUs and ejector lever
pillow blocks on the MPU slots are pink
marked.)
Description
No power trays or power supplies are provided with the
device. Purchase power trays and power supplies
yourself.
•
S12516CR—Six power tray slots. Each power tray
has six power supply slots. Install a minimum of two
power trays on an S12516CR.
•
S12508CR—Four power tray slots. Each power tray
has six power supply slots. Install a minimum of one
power tray on an S12508CR.
The device supports N+N (dual power input lines) and N+1
(single power input line) power supply redundancy.
Determine the number of power supplies based on power
supply mode and the system power consumption.
You can install a power supply in any of the empty power
supply slots.
No environment management modules are provided with
the device. Purchase environment management modules
yourself.
The device has two environment management module
slots and is shipped with an environment management
module in each slot.
No MPUs are provided with the device. Purchase MPUs
yourself.
The device has two MPU slots. You can install one MPU,
or two MPUs for redundancy. To install only one MPU for
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