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Figure 13. Installing the Switch onto the 2-Post Rack From the Rear Side of the Chassis
c) Tighten the 10-32 screws to 20 in-lb (2.26 N.m) or tighten the 12-24 screws to 30 in-lb (3.39 N.m).
6. If you have attached a grounding wire to the chassis grounding pad, connect the other end of the wire
to the facility ground.
Grounding the Switch
About this task
The switch chassis is automatically grounded when you install the switch properly in a grounded rack with
metal-to-metal connections between the switch and rack. Alternatively, you can ground the chassis (this
is required if the rack is not grounded) by attaching a customer-supplied grounding cable to the chassis
grounding pad and the facility ground.
Warning: This equipment must be grounded. Never defeat the ground conductor or operate the
equipment in the absence of a suitably installed ground conductor. Contact the appropriate
electrical inspection authority or an electrician if you are uncertain that suitable grounding is
available. Statement 1024
Warning: When installing or replacing the unit, the ground connection must always be made first
and disconnected last. Statement 1046
Procedure
1. Use a wire-stripping tool to remove approximately 0.75 in. (1.9 cm) of the covering from the end of the
grounding wire.
2. Insert the stripped end of the grounding wire into the open end of the grounding lug, and use a
crimping tool to crimp the lug to the wire. Verify that the ground wire is securely attached to the
grounding lug by attempting to pull the wire out of the crimped lug.
3. Remove the label covering the grounding pad on the chassis. Secure the grounding lug to the chassis
grounding pad with two M4 screws, and tighten each screw to 11.5 to 15 in-lb (1.3 to 1.7 N·m) of
torque.
24 IBM Storage Networking: IBM Storage Networking SAN48C-6 32 Gbps 48-Port Fibre Channel Switch
Installation, Service, and User Guide
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