Managing cables

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Managing cables

Cables can be organized and managed in a variety of ways: for example, using cable channels on the port sides of the cabinet or patch panels to minimize cable management. With the horizontal orientation of the blades in the Brocade DCX 8510-4, a pair of vertical cable management finger assemblies have been provided to keep the cables from hanging down in front of other blades.

Following is a list of recommendations:

Leave at least 1 m (3.28 ft) of slack for each port cable. This provides room to remove and replace the Brocade DCX 8510-4, allows for inadvertent movement of the rack, and helps prevent the cables from being bent to less than the minimum bend radius.

The minimum bend radius should be no smaller than 10x the cable radius. The minimum radius to which a 50 micron cable can be bent under full tensile load is 5.1 cm (2 in.). For a cable under no tensile load, that minimum is 3.0 cm (1.2 in.).

If ISL Trunking is in use, group the cables by trunking group. The ports are color-coded to indicate which ports can be used in the same ISL Trunking group: eight ports marked with solid black ovals alternate with eight ports marked with oval outlines.

Generally, Velcro® type cable restraints are recommended to avoid creating sharp bends in the cables. Do not use tie wraps with optical cables because they are easily overtightened and can damage the optic fibers.

For easier maintenance, label the fiber optic cables and record the devices to which they are connected.

Do not route cables in front of the air exhaust vents.

Route the cables to the sides of the Brocade DCX 8510-4 through the vertical cable management fingers.

Keep LEDs visible by routing port cables and other cables away from the LEDs.

NOTE

See “Cabling Best Practices” (available at http://www.brocade.com) for cable management guidelines.

For the procedure to install the ICL cables, see “Inter-chassis link (QSFP) cable removal and replacement.”

Brocade DCX 8510-4 Backbone Hardware Reference Manual

35

53-1002177-05

 

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Brocade Communications Systems DCX 8510-4 manual Managing cables