Cisco Nexus 3000 series User manual

Installing the Chassis
•Safety, on page 1
•Installation Options with Rack-Mount Kits, on page 4
•Airflow Considerations, on page 5
•Installation Guidelines, on page 5
•Unpacking and Inspecting the Switch, on page 6
•Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount Kit, on page 7
•Installing the Airflow Sleeve (N9K-AIRFLOW-SLV), on page 10
•Grounding the Chassis, on page 11
•Starting the Switch, on page 13
Safety
Before you install, operate, or service the switch, see the Regulatory, Compliance, and Safety Information for
the Cisco Nexus 3000 and 9000 Series for important Safety Information.
Statement 1071—Warning Definition
IMPORTANT SAFETY INSTRUCTIONS
Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. Read the installation instructions before using, installing, or
connecting the system to the power source. Use the statement number provided at the end of each warning
statement to locate its translation in the translated safety warnings for this device.
SAVE THESE INSTRUCTIONS
Warning
Statement 1089—Instructed and Skilled Person Definitions
An instructed person is someone who has been instructed and trained by a skilled person and takes the necessary
precautions when working with equipment.
A skilled person or qualified personnel is someone who has training or experience in the equipment technology
and understands potential hazards when working with equipment.
Warning
Installing the Chassis
1

Statement 1004—Installation Instructions
Read the installation instructions before using, installing, or connecting the system to the power source.
Warning
Statement 1040—Product Disposal
Ultimate disposal of this product should be handled according to all national laws and regulations.
Warning
Statement 1074—Comply with Local and National Electrical Codes
To reduce risk of electric shock or fire, installation of the equipment must comply with local and national
electrical codes.
Warning
Statement 371—Power Cable and AC Adapter
When installing the product, use the provided or designated connection cables, power cables, AC adapters,
and batteries. Using any other cables or adapters could cause a malfunction or a fire. Electrical Appliance and
Material Safety Law prohibits the use of UL-certified cables (that have the "UL" or "CSA" shown on the
cord), not regulated with the subject law by showing "PSE" on the cord, for any other electrical devices than
products designated by Cisco.
Warning
Statement 407—Japanese Safety Instruction
You are strongly advised to read the safety instruction before using the product.
https://www.cisco.com/web/JP/techdoc/pldoc/pldoc.html
When installing the product, use the provided or designated connection cables/power cables/AC adapters.
Note
Statement 1017—Restricted Area
This unit is intended for installation in restricted access areas. Only skilled, instructed, or qualified personnel
can access a restricted access area.
Warning
Installing the Chassis
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Installing the Chassis
Safety

Statement 1030—Equipment Installation
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1091—Installation by an Instructed Person
Only an instructed person or skilled person should be allowed to install, replace, or service this equipment.
See statement 1089 for the definition of an instructed or skilled person.
Warning
Statement 1028—More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock, remove all
connections to de-energize the unit.
Warning
Statement 1003—DC Power Disconnection
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Warning
Statement 1046—Installing or Replacing the Unit
To reduce risk of electric shock, when installing or replacing the unit, the ground connection must always be
made first and disconnected last.
Warning
Statement 1022—Disconnect Device
To reduce risk of electric shock and fire, a readily accessible two-poled disconnect device must be incorporated
in the fixed wiring.
Warning
Statement 1033—Safety Extra-Low Voltage (SELV)—IEC 60950/ES1–IEC 62368 DC Power Supply
To reduce risk of electric shock, connect the unit only to a DC power source that complies with the SELV
requirements in IEC 60950-based safety standards or ES1 requirements in IEC 62368-based safety standards.
Warning
Installing the Chassis
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Installing the Chassis
Safety

Statement 1024—Ground Conductor
This equipment must be grounded. To reduce the risk of electric shock, 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.
Warning
Statement 1252—Equipment Grounding
This equipment must be grounded. To reduce the risk of electric shock, the power cord, plug, or combination
must be connected to a properly grounded electrode, outlet, or terminal.
Warning
Statement 1032—Lifting the Chassis
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles
on modules, such as power supplies, fans, or cards. These types of handles are not designed to support the
weight of the unit.
Warning
Statement 1006—Chassis Warning for Rack-Mounting and Servicing
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to
ensure that the system remains stable. The following guidelines are provided to ensure your safety:
• This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
• When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the
heaviest component at the bottom of the rack.
• If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the
unit in the rack.
Warning
Installation Options with Rack-Mount Kits
The rack-mount kit enables you to install the switch into racks of varying depths. You can position the switch
with easy access to either the port connections or the fan and power supply modules.
You can install the switch using the following rack-mount options:
• Rack-mount kit (NXK-ACC-KIT-1RU) which you can order from Cisco. This option offers you easy
installation, greater stability, increased weight capacity, added accessibility, and improved removability
with front and rear removal.
• Rack-mount kit (N3K-C3064-ACC-KIT) which you can order from Cisco.
The rack or cabinet that you use must meet the requirements listed the in General Requirements for Cabinets
and Racks section.
Installing the Chassis
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Installing the Chassis
Installation Options with Rack-Mount Kits

You are responsible for verifying that your rack and rack-mount hardware comply with the guidelines that
are described in this doc.
Note
Airflow Considerations
The switch comes with fan and power supply modules that have either port-side intake or port-side exhaust
airflow for cooling the switch. If you are positioning the port end of the switch in a cold aisle, make sure that
the switch has port-side intake fan modules with burgundy coloring. If you are positioning the fan and power
supply modules in a cold aisle, make sure that the switch has port-side exhaust fan modules with blue colorings.
All fan modules must have the same direction of airflow.
Installation Guidelines
When installing the switch, follow these guidelines:
• Ensure that there is adequate clearance space around the switch to allow for servicing the switch and for
adequate airflow.
• Ensure that the chassis can be adequately grounded. If the switch is not mounted in a grounded rack, we
recommend connecting the system ground on the chassis directly to an earth ground.
• Ensure that the site power meets the power requirements for the switch. If available, you can use an
uninterruptible power supply (UPS) to protect against power failures.
Avoid UPS types that use ferroresonant technology. These UPS types can become
unstable with the switch, which can have substantial current draw fluctuations
because of fluctuating data traffic patterns.
Caution
• Ensure that circuits are sized according to local and national codes. Typically, this often requires one or
both of the following:
• AC power supplies typically require at least a 15-A or 20-A AC circuit, 100 to 240 VAC, and a
frequency of 50 to 60 Hz.
To prevent loss of input power, ensure the total maximum loads on the circuits
supplying power to the switch are within the current ratings for the wiring and
breakers.
Caution
For AC input application, please refer to the statement below:
Note
Installing the Chassis
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Installing the Chassis
Airflow Considerations

Statement 1005—Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent)
protection. Ensure that the protective devices is rated not greater than 20A (North
America), 16A (Europe), and 13A (UK).
Warning
For DC input application, please refer to the statement below:
Note
Statement 1005—Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent)
protection. Ensure that the protective devices is rated not greater than 40A for
the regular DC power supplies (rated 48-60VDC) and 10A for the HVDC power
supplies.
Warning
Unpacking and Inspecting the Switch
Before you install the switch, be sure to unpack and inspect the switch for damage or missing components.
If anything is missing or damaged, contact your customer service representative immediately.
Keep the shipping container in case the chassis requires shipping at a later time.
Tip
Before you begin
Before you unpack the switch and before you handle any switch components, be sure that you are wearing a
grounded electrostatic discharge (ESD) strap. To ground the strap, attach it directly to an earth ground or to
a grounded rack or grounded chassis (there must be a metal-to-metal connection to the earth ground).
Step 1 Compare the shipment to the equipment list provided by your customer service representative and verify that you have
received all items, including the following:
• Accessory Kit
Step 2 Check for damage and report any discrepancies or damage to your customer service representative. Have the following
information ready:
• Invoice number of shipper (see packing slip)
• Model and serial number of the damaged unit
• Description of damage
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Installing the Chassis
Unpacking and Inspecting the Switch

• Effect of damage on the installation
Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount
Kit
To install the switch, you must attach front and rear mounting brackets to the switch, install slider rails on the
rear of the rack, slide the switch onto the slider rails, and secure the switch to the front of the rack. Typically,
the front of the rack is the side easiest to access for maintenance.
You must supply the eight 10-32 or 12-24 screws required to mount the slider rails and switch to the rack.
Note
Before you begin
• You have inspected the switch shipment to ensure that you have everything ordered.
• Make sure that the switch rack-mount kit includes the following parts:
• Front rack-mount brackets (2)
• Rear rack-mount brackets (2)
• Slider rails (2)
• M4 x 0.7 x 8-mm Phillips pan-head screws (10)
• The rack is installed and secured to its location.
Step 1 Install two front rack-mount brackets and the two rear rack-mount brackets to the switch as follows:
a) Determine which end of the chassis is to be located in the cold aisle as follows:
• If the switch has port-side intake modules (fan modules with burgundy coloring), position the switch so that its
ports will be in the cold aisle.
• If the switch has port-side exhaust modules (fan modules with blue coloring), position the switch so that its fan
and power supply modules will be in the cold aisle.
b) Position the front rack-mount bracket and the rear rack-mount bracket so that its screw holes are aligned to the screw
holes on the side of the chassis.
You can align the holes in the rack-mount bracket to the holes on the side of the chassis (see the two
ways to mount these brackets on a typical chassis, in following figure). The holes that you use depend
on the requirements of your rack and the amount of clearance required for interface cables (3 inches [7.6
mm] minimum) and module handles (1 inch [2.5 mm] minimum).
Note
Installing the Chassis
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Installing the Chassis
Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount Kit

c) Secure the front-mount bracket and the back-mount bracket to the chassis using four M4 screws and tighten each
screw to 12 in-lb (1.36 N·m) of torque.
d) Repeat Step 1 for the other front rack-mount bracket and the other back-mount bracket on the other side of the switch
and be sure to position that bracket the same distance from the front of the switch.
Depending on the chassis depth, the back rack-mount bracket may not fit. In that case the back rack-mount
bracket is not needed.
Note
Step 2 If you are not installing the chassis into a grounded rack, you must attach a customer-supplied grounding wire to the
chassis as explained in the Grounding the Chassis, on page 11 section. If you are installing the chassis into a grounded
rack, you can skip this step.
Step 3 Install the slider rails on the rack or cabinet as follows:
a) Determine which two posts of the rack or cabinet you should use for the slider rails. Of the four vertical posts in the
rack or cabinet, two will be used for the front mount brackets attached to the easiest accessed end of the chassis, and
the other two posts will have the slider rails.
b) Position a slider rail at the desired level on the back side of the rack and use 12-24 screws or 10-32 screws, depending
on the rack thread type, to attach the rails to the rack (see the following figure). Tighten 12-24 screws to 30 in-lb
(3.39 N·m) of torque and tighten 10-32 screws to 20 in-lb (2.26 N·m) of torque.
Installing the Chassis
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Installing the Chassis
Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount Kit

c) Repeat Step 3 to attach the other slider rail to the other side of the rack.
To make sure that the slider rails are at the same level, you should use a level tool, tape measure, or carefully count
the screw holes in the vertical mounting rails.
Step 4 Insert the switch into the rack and attach it as follows:
a) Holding the switch with both hands, position the two rear rack-mount brackets on the switch between the rack or
cabinet posts that do not have slider rails attached to them (see the following figure).
b) Align the two rear rack-mount guides on either side of the switch with the slider rails installed in the rack. Slide the
rack-mount guides onto the slider rails, and then gently slide the switch all the way into the rack until the front
rack-mount brackets come in contact with two rack or cabinet posts.
c) Holding the chassis level, insert screws (12-24 or 10-32, depending on the rack type) in each of the two front rack-mount
brackets (using a total of six screws) and into the cage nuts or threaded holes in the vertical rack-mounting rails (see
the following figure).
Installing the Chassis
9
Installing the Chassis
Installing the Switch Using the NXK-ACC-KIT-1RU Rack-Mount Kit

d) 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).
Step 5 If you attached a grounding wire to the chassis grounding pad, connect the other end of the wire to the facility ground.
Installing the Airflow Sleeve (N9K-AIRFLOW-SLV)
The airflow sleeve (N9K-AIRFLOW-SLV) is installed to allow proper airflow, so that the switch is properly
cooled.
Table 1: Airflow Sleeve Minimum and Maximum Rack Rail Depth with the N3K-C3064-ACC-KIT.
Maximum Rack DepthMinimum Rack DepthChassis
748.25 mm636.49 mmN9K-C92348GC-X
916.60 mm824.80 mmN9K-C9316D-GX
898.70 mm794.20 mmN9K-C9332C
915.80 mm824.00 mmN9K-C9332D-GX2B
355.90 mm315.90 mmN9K-C9336C-FX2
898.70 mm806.90 mmN9K-C9336C-FX2-E
764.29 mm672.49 mmN9K-C9348GC-FXP
873.09 mm781.29 mmN9K-C93108TC-FX
769.69 mm672.49 mmN9K-C93108TC-FX3P
873.09 mm781.29 mmN9K-C93180YC-FX
784.25 mm672.49 mmN9K-C93180YC-FX3
Installing the Chassis
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Installing the Chassis
Installing the Airflow Sleeve (N9K-AIRFLOW-SLV)