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Ensure that the airflow and cooling are adequate and there is sufficient clearance
around the air vents on the switch, as described in Appendix A, "Product
Specifications," on page 99.
The rack must have sufficient vertical clearance for the chassis along with 2 RU for
the shelf brackets, and any desired clearance for the installation process.
The front and rear doors of enclosed racks must have at least 60% open area
perforation pattern.
Additionally, you must consider the following site requirements for the rack:
v Power receptacles must be located within reach of the power cords used with
v AC power supplies
v Power cords for 3-kW AC power supplies are 8 to 12 feet (2.5 to 4.3 m) long.
v DC power supplies
v Power cords for 3.0-kW DC power supplies are supplied and dimensioned by
v HVAC/HVDC power supplies
v Power cords for 3.5-kW HVAC/HVDC power supplies are 14 feet (4.26 m) long.
v Where necessary, have a seismic rating of Network Equipment Building
Rack and Cabinet Requirements for the SAN768C-6 Chassis
To correctly install the switch in a cabinet located in a hot-aisle/cold-aisle
environment, you should fit the cabinet with baffles to prevent exhaust air from
recirculating into the chassis air intake. Work with your cabinet vendors to
determine which of their cabinets meet the following requirements or see the IBM
Support for recommendations:
v The height of the rack or cabinet must accommodate the 25 RU (43.75 inches or
v Minimum gross load rating of 2000 lb (907.2 kg) (static load rating) if supporting
Rack and Cabinet Requirements for the SAN384C-6 Chassis
The rack must meet the following requirements:
v The minimum vertical rack space per chassis is 24.5 inches (62.2 cm) or 14 RU.
v The width between the mounting rails must be at least 17.75 inches (45.1 cm).
To correctly install the switch in a cabinet located in a hot-aisle/cold-aisle
environment, you should fit the cabinet with baffles to prevent exhaust air from
recirculating into the chassis air intake. Work with your cabinet vendors to
determine which of their cabinets meet the following requirements or see the IBM
Support for recommendations:
v The height of the rack or cabinet must accommodate the 14-RU (24.5 inches or
v Minimum gross load rating of 2000 lb (907.2 kg) (static load rating) if supporting
42
SAN192C-6, SAN384C-6 and SAN768C-6 Installation, Service, and User Guide
the switch.
the customer.
Standards (NEBS) Zone 3 or Zone 4, per GR-63-CORE.
111.1 cm) height of the switch and its bottom support bracket.
two switches.
For four-post EIA racks, this is the distance between the two front rails and rear
rails.
62.2 cm) height of the switch and its bottom support bracket.
three switches.
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