Installation Manual
Quidway S8500 Series Routing Switches Chapter 4 Switch Installation
Huawei Technologies Proprietary
4-2
4.3 Mounting the Switch in User-Supplied Cabinet
4.3.1 Cabinet Configuration Guideline
 Note:
The S8500 chassis has two versions and their major difference lies in the power supply
area at the bottom. On the chassis of the new version, the power supply is 3 U (1 U =
44.45 mm) high and there is a PoE entry area between two PSUs for connecting the
external PoE power supply. On the chassis of the old version, the power supply is 1.5 U
high and no PoE entry area exists.
Caution:
z
Even if no POE external power supply is installed, you are recommended to reserve
the POE power supply slot (just cover a 4 U blank filler panel) in the cabinet for later
POE expansion.
z
For components of 4 U or higher, such as chassis and POE power supply, more
screws are required to secure the slide rails in the cabinet considering their weight.
z
You can adjust the specific height of every slot as needed. The following guideline is
just for reference.
I. Two old S8505 chassis in a cabinet
The components and their height are as follows (from top down):
z
Blank filler panel (2U)
z
Cabling frame (2U)
z
External POE power supply (4U. It is blank filler panel if no external POE power
supply is installed)
z
Blank filler panel (1U)
z
Backwards cabling frame (1U)
z
Old S8505 chassis (9U)
z
Blank filler panel (1U)
z
Cabling frame (2U)
z
Old S8505 chassis (9U)
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