When unpacking the S6100-ON switch, make sure that the following items are included:• One S6100-ON switch• One RJ-45 to DB-9 female cable• Two sets of rail kits, no tools required• Two PSUs• Four fan units• One AC or DC country and region-specific power cord• One ground lug• Dell Networking Getting Started Guide for the S6100–Open Networking (ON) System• Safety and Regulatory Information• Warranty and Support InformationUnpack the system by carefully removing the device from the container and placing it on a secure and clean surface.Four-post rack assemblyDue to the chassis weight, the S6100–ON switch does not support a two-post rack installation; you must install the S6100–ON in a four-post rack.To install in a four-post rack, follow the instructions in your rack frame kit. In a four-post rack, the maximum distance between the front andback vertical posts is 36 inches (91.44 cm); the minimum distance is 24 inches (60.96).CAUTION: Use two people, an equipment lift, or pallet jack when lifting or moving the chassis. Install the chassis into the rackbefore inserting the chassis components. Lift the chassis only from the bottom. Lifting by the chassis shelves or power supplyopenings might damage the chassis.Four-post rack mountRack Mounting Safety ConsiderationsWARNING: To prevent bodily injury when mounting or servicing this unit in a rack, take special precautions to ensure that thesystem remains stable. The following guidelines are provided to ensure your safety:• If your chassis is the only unit in the rack, mount it at the bottom of the rack.• When mounting this unit in a partially filled rack, load the rack from the bottom to the top. Be sure that the heaviest component isat the bottom of the rack.• If the rack comes with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.• If the chassis ships with blanks, remove the blanks from each slot before lifting the chassis.WARNING: These instructions are a condensed reference. Read the safety instructions in yourSafety, Environmental, andRegulatory information booklet before you begin.• Rack loading—Overloading or uneven loading of racks may result in shelf or rack failure, which may damage equipment and causepossible personal injury. Stabilize racks in a permanent location before loading begins. Mount the components starting at the bottom ofthe rack, then work to the top. Do not exceed your rack load rating.• Power considerations—Connect only to the power source specified on the unit. When you install multiple electrical components in arack, ensure that the total component power ratings do not exceed the circuit capabilities. Overloaded power sources and extensioncords present fire and shock hazards.• Elevated ambient temperature—If you install the switch in a closed rack assembly, the operating temperature of the rack environmentmay be greater than the room ambient temperature. Use care not to exceed the 40°C maximum ambient temperature of the switch.• Reduced air flow—Install the equipment in the rack so that the amount of airflow required for safe operation of the equipment is notcompromised.• Reverse air flow—To ensure cool air intake and to avoid hot air blow out from I/O panel, ensure that you have the necessary clearance.• Reliable earthing—Maintain reliable earthing of rack-mounted equipment. Pay particular attention to the supply connections other thanthe direct connections to the branch circuit; for example, use of power strips.24 S6100–ON installation