H3C SR8800-F, Руководство по установке, Страница: 11 / 148

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Figure 1 Airflow through the chassis (SR8805-F)
(1) Direction of the airflow into the power supplies (2) Direction of the airflow out of the power supplies
(3) Direction of the airflow into the chassis (4) Direction of the airflow out of the chassis
Space
For easy installation and maintenance, follow these space requirements:
•
Reserve a minimum of 1 m (3.28 ft) of clearance between the rack and walls or other devices.
•
For heat dissipation, make sure the headroom in the equipment room is not less than 3 m (9.84
ft).
•
To install the router in a rack, make sure the rack has enough space to accommodate the router.
See
Table 5 for rack requirements. For more information about chassis dimensions, see
"Weights and dimensions."
Table 5 Router dimensions and rack requirements
Model Chassis dimensions Rack requirements
SR8803-F
•
Height —175 mm (6.89 in)/4 RU
•
Width —436 mm (17.17 in)
•
Depth —505 mm (19.89 in)

420 mm (16.54 in) for the chassis

61 mm (2.40 in) for the cable
management brackets at the
chassis front

30.5 mm (1.20 in) for the PoE
terminal box
•
A minimum of 0.8 m (2.62 ft)
in depth (recommended)
•
A minimum of 61 mm (2.40 in)
between the front rack posts
and the front door
•
A minimum of 444 mm (17.48
in) between the front rack
posts and the rear door
SR8805-F
•
Height —441 mm (17.36 in)/10 RU
•
Width —436 mm (17.17 in)
•
Depth —520 mm (20.47 in)

420 mm (16.54 in) for the chassis

100 mm (3.94 in) for the cable
management brackets at the
chassis front
•
A minimum of 0.8 m (2.62 ft)
in depth (recommended)
•
A minimum of 100 mm (3.94
in) between the front rack
posts and the front door
•
A minimum of 420 mm (16.54
in) between the front rack
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