Brocade DCX 8510-4 Backbone Hardware Reference Manual - Manual (Page 29)

Chassis slots
Chassis slots are numbered 1 through 8, from bottom to top when facing the port side of the Brocade
DCX 8510-4. Control processor blades (CP8) can be installed only in slots 4 and 5. Core switch blades
(CR16-4) can be installed only in slots 3 and 6. The rest of the slots, 1, 2, 7, and 8, can be filled with
port, application, or encryption blades. Unused slots must be filled with blade filler panels to maintain
adequate cooling.
Cable management
The cable management finger assemblies are attached to the chassis on either side of the port side of
the chassis and allow for simple cable management. The cable management finger assemblies can be
installed without service disruption.
Route the cables across in front of the blades to keep LEDs visible. Leave at least one meter of slack
for each fiber-optic cable to provide room to remove and replace blades.
NOTE
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.).
CAUTION
Before plugging a cable into to any port, be sure to discharge the voltage stored on the cable by
touching the electrical contacts to ground surface.
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 easily overtightened and can
damage the optic fibers.
• Plan for rack space required for cable management before installing the switch.
• Leave at least 1 m (3.28 ft) 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.
• If you are using Brocade ISL Trunking, consider grouping cables by trunking groups. The cables
used in trunking groups must meet specific requirements, as described in the Fabric OS
Administrator’s Guide .
• For easier maintenance, label the fiber-optic cables and record the devices to which they are
connected.
• Keep LEDs visible by routing port cables and other cables away from the LEDs.
• Use Velcro
® type straps to secure and organize fiber-optic cables.
Chassis slots
Brocade DCX 8510-4 Backbone Hardware Reference Manual 29
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