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Chapter 2. Cabinet and Rack Installation
Before installing the switch, be sure the following cabinet and rack requirements are met.
Cabinet and Rack Requirements
This section provides the IBM Storage Networking SAN c-type Family Series switches requirements for
the following types of cabinets and racks in an external ambient air temperature range of 0 to 40°C. If you
are selecting an enclosed cabinet, we recommend that you choose one of these thermally validated
types:
• Standard perforated cabinets
• Solid-walled cabinets with a roof fan tray (bottom-to-top cooling)
General Requirements for Cabinets and Racks
A cabinet or rack must belong to one of the following types:
• Standard 19-in. four-post EIA cabinet or rack, with mounting posts that conform to English universal
hole spacing per section 1 of ANSI/EIA-310-D-1992. See Requirements Specific to Perforated Cabinets
and Requirements Specific to Solid-Walled Cabinets.
• Standard two-post telco rack, with mounting posts that conform to English universal hole spacing per
section 1 of ANSI/EIA-310-D-1992.
The cabinet or rack must also meet the following requirements:
• The minimum vertical rack space per chassis should be 1 RU, equal to 1.75 in. (4.4 cm).
• The width between the inside edges of the mounting posts must be at least 17.75 in. (45.1 cm). This is
the distance between the two front posts of the four-post EIA racks.
• The minimum rack-load ratings per RU are listed in the following table:
Rack Type
EIA (4 post)
Telco (2 post)
For four-post EIA cabinets (perforated or solid-walled):
• The distance between the front door and front mounting posts should be a minimum of 3 in. (7.6 cm) to
allow for the bend radius of FC port fibre-optic patch cables.
• The distance between the outside face of the front mounting post and the outside face of the back
mounting post should be to 32 in. (66 to 81 cm) to allow for installation with the rack mounting kit.
• The distance between the rear of the chassis and the perforated rear door of the cabinet (required for
airflow in the cabinet, if used) should be a minimum of 3.0 in. (7.6 cm).
• No clearance is required between the chassis and the sides of the rack or cabinet (no side airflow).
• The amount of clearance required for interface cables is 3 in. [7.6 cm] minimum and module handles is
1 in. [25 mm] minimum.
Notes:
• Optional jumper power cords are available for use in a cabinet. See Jumper Power Cord. IBM SAN48C-6
switches are compatible with Cisco racks (such as Cisco R42612) and PDUs.
©
Copyright IBM Corp. 2021
SAN48C-6
7.5 lb (3.4 kg)
15 lb (6.8 kg)
9
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