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Figure 80 Correct and incorrect cable binding
•
The cable bend radius at connectors must be at least 5 times the cable diameter, and must be
at least twice the cable diameter away from the connectors.
•
Route different types of cables (for example, power cables, and signal cables) separately. If
they are close to one another, cross them over one another. If you route them in parallel, make
sure the space between a power cable bundle and a signal cable bundle is at least 30 mm (1.18
in).
•
The cable management brackets and cable routing slots, inside or outside the rack, are smooth
and have no sharp edges or tips.
•
When you route cables through sharp sheet metal penetration points or along sharp edges of
mechanical parts, use bushings or take any other action to protect the cables from being cut or
abraded. The sheet metal penetration points must be smooth and fully rounded.
•
Use the correct ties to bind the cables. Do not bind cables with joined ties. The following types
of ties are available: 100 × 2.5 mm (3.94 × 0.10 in), 150 × 3.6 mm (5.91 × 0.14 in), 300 × 3.6 mm
(11.81 × 0.14 in), 530 × 9 mm (20.87 × 0.35 in), and 580 × 13 mm (22.83 × 0.51 in).
•
After binding the cables, cut the excess from the ties, leaving no sharp or angular tips.
See
Figure
81.
Figure 81 Cutting the cable ties
•
When you bend cables, bind cables as shown in
excessive stress, do not tie up the cables in the bending area.
Figure
82. To avoid cable core break due to
87
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