H3C Technologies H3C SR6600-X - Manual (Page 15)

5
Substance Concentration limit (particles/m 3 )
NOTE:
Dust particle diameter ≥ 5 μm
The equipment room must also meet strict limits on salts, acids, and sulfides to eliminate corrosion and
premature aging of components, as shown in Table 5 .
Table 5 Harmful gas limits in an equipment room
Gas Max. (mg/m 3 )
SO
2
0.2
H
2
S 0.006
NH
3
0.05
Cl
2
0.01
Cooling system
Fan trays of the routers are hot swappable and support automatic fan speed adjustment. To ensure good
ventilation, the following requirements must be met:
• Leave at least 10 cm (3.94 in) of clearance at the inlet and outlet air vents.
• The installation site has a good cooling system.
Figure 2 Airflow through the SR6608-X chassis
NOTE:
An SR6604-X router uses the same airflow system as an SR6608-X router.