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EMC Connectrix B Series DS-5300B Hardware Reference Manual
Installing and Configuring the DS-5300B
Cabinet considerations
For successful installation and operation of the switch in a cabinet,
ensure that the following cabinet requirements are met:
• The cabinet must be a standard EIA cabinet.
• Plan a cabinet space that is 1 rack unit (1.75 in.; 4.45 cm) high,
19 in. (48.3 cm) wide.
• Ground all equipment in the cabinet through a reliable branch
circuit connection and maintain ground at all times. Do not
rely on a secondary connection to a branch circuit, such as a
power strip.
• Ensure that airflow and temperature requirements are met on
an ongoing basis, particularly if the switch is installed in a
closed or multicabinet assembly.
• Verify that the additional weight of the switch does not exceed
the cabinet’s weight limits or unbalance the cabinet in any
way.
• Secure the cabinet to ensure stability in case of unexpected
movement, such as an earthquake.
Recommendations for cable management
The minimum bend radius for a 50 micron cable is 2 in. under full
tensile load and 1.2 in. with no tensile load.
Cables can be organized and managed in a variety of ways: for
example, using cable channels on the sides of the cabinet or patch
panels to minimize cable management. Following is a list of
recommendations:
Note: You should not use tie wraps with optical cables because they are easy
to over tighten.
• Plan for rack space required for cable management before
installing the switch.
• Leave at least 3.28 ft (1 m) of slack for each port cable. This
provides room to remove and replace the switch, allows for
inadvertent movement of the rack, and helps prevent the
cables from being bent to less than the minimum bend radius.
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