Cisco HX220c M5 HyperFlex Node Installation Guide (Hybrid, All-Flash, & All-NVMe Models)

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Book Title

Cisco HX220c M5 HyperFlex Node Installation Guide (Hybrid, All-Flash, & All-NVMe Models)

Chapter Title

Installing the Node

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Updated:
March 22, 2024

Chapter: Installing the Node

Installing the Node

Preparing for Installation

This chapter describes how to install the node in a rack and perform initial setup.

Installation Warnings and Guidelines


Note

Before you install, operate, or service a node, review the Regulatory Compliance and Safety Information for Cisco UCS C-Series Servers for important safety information.


Warning

IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

Statement 1071

Warning

To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended ambient temperature of: 35° C (95° F).

Statement 1047

Warning

The plug-socket combination must be accessible at all times, because it serves as the main disconnecting device.

Statement 1019

Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 250 V, 15 A.

Statement 1005

Warning

Installation of the equipment must comply with local and national electrical codes.

Statement 1074

Warning

This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock, and key, or other means of security.

Statement 1017

Caution

To ensure proper airflow it is necessary to rack the nodes using rail kits. Physically placing the units on top of one another or “stacking” without the use of the rail kits blocks the air vents on top of the nodes, which could result in overheating, higher fan speeds, and higher power consumption. We recommend that you mount your nodes on rail kits when you are installing them into the rack because these rails provide the minimal spacing required between the nodes. No additional spacing between the nodes is required when you mount the units using rail kits.


Caution

Avoid uninterruptible power supply (UPS) types that use ferroresonant technology. These UPS types can become unstable with systems, which can have substantial current draw fluctuations from fluctuating data traffic patterns.

When you are installing a node, use the following guidelines:

  • Ensure that there is adequate space around the node to allow for accessing the node and for adequate airflow. The airflow in this node is from front to back.

  • Ensure that the air-conditioning meets the thermal requirements listed in the Environmental Specifications.

  • Ensure that the cabinet or rack meets the requirements listed in the Rack Requirements.

  • Ensure that the site power meets the power requirements listed in the Power Specifications. If available, you can use an uninterruptible power supply (UPS) to protect against power failures.

Rack Requirements

The rack must be of the following type:

  • A standard 19-in. (48.3-cm) wide, four-post EIA rack, with mounting posts that conform to English universal hole spacing, per section 1 of ANSI/EIA-310-D-1992.

  • The rack-post holes can be square 0.38-inch (9.6 mm), round 0.28-inch (7.1 mm), #12-24 UNC, or #10-32 UNC when you use the Cisco-supplied slide rails.

  • The minimum vertical rack space per node must be one rack unit (RU), equal to 1.75 in. (44.45 mm).

Supported Cisco Slide Rail Kits

The node supports the following rail kit options:

  • Cisco part UCSC-RAILB-M4= (ball-bearing slide rail kit)

  • Cisco part UCSC-RAILF-M4= (friction slide rail kit)

  • Cisco part UCSC-CMAF-M4= (cable management arm)

Rack Installation Tools Required

The slide rails sold by Cisco Systems for this node do not require tools for installation.

Slide Rail and Cable Management Arm Dimensions

The slide rails for this node have an adjustment range of 24 to 36 inches (610 to 914 mm).

The optional cable management arm (CMA) adds additional length requirements:

  • The additional distance from the rear of the node to the rear of the CMA is 5.4 inches (137.4 mm).

  • The total length of the node including the CMA is 35.2 inches (894 mm).

Installing the Node in a Rack


Warning

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.

Statement 1006

Procedure

Step 1

Attach the inner rails to the sides of the node:

  1. Align an inner rail with one side of the node so that the three keyed slots in the rail align with the three pegs on the side of the node.

  2. Set the keyed slots over the pegs, and then slide the rail toward the front to lock it in place on the pegs. The front slot has a metal clip that locks over the front peg.

  3. Install the second inner rail to the opposite side of the node.

Figure 1. Attaching the Inner Rail to the Side of the Node

1

Front of node

2

Locking clip on front of inner rail

Step 2

Open the front securing plate on both slide-rail assemblies. The front end of the slide-rail assembly has a spring-loaded securing plate that must be open before you can insert the mounting pegs into the rack-post holes.

On the outside of the assembly, push the green-arrow button toward the rear to open the securing plate.

Figure 2. Front Securing Mechanism, Inside of Front End

1

Front mounting pegs

3

Securing plate shown pulled back to the open position

2

 Rack post between mounting pegs and opened securing plate

-

Step 3

Install the outer slide rails into the rack:

  1. Align one slide-rail assembly front end with the front rack-post holes that you want to use.

    The slide rail front-end wraps around the outside of the rack post and the mounting pegs enter the rack-post holes from the outside-front.

    Note

     
    The rack post must be between the mounting pegs and the open securing plate.

  2. Push the mounting pegs into the rack-post holes from the outside-front.

  3. Press the securing plate release button, marked PUSH. The spring-loaded securing plate closes to lock the pegs in place.

  4. Adjust the slide-rail length, and then push the rear mounting pegs into the corresponding rear rack-post holes. The slide rail must be level front-to-rear.

    The rear mounting pegs enter the rear rack-post holes from the inside of the rack post.

  5. Attach the second slide-rail assembly to the opposite side of the rack. Ensure that the two slide-rail assemblies are at the same height and are level front-to-back.

  6. Pull the inner slide rails on each assembly out toward the rack front until they hit the internal stops and lock in place.

Step 4

Insert the node into the slide rails:

Caution

 
This node can weigh up to 60 pounds (27 kilograms) when fully loaded with components. We recommend that you use a minimum of two people or a mechanical lift when lifting the node. Attempting this procedure alone could result in personal injury or equipment damage.

  1. Align the rear ends of the inner rails that are attached to the node sides with the front ends of the empty slide rails on the rack.

  2. Push the inner rails into the slide rails on the rack until they stop at the internal stops.

  3. Slide the inner-rail release clip toward the rear on both inner rails, and then continue pushing the node into the rack until its front slam-latches engage with the rack posts.

Figure 3. Inner-Rail Release Clip

1

Inner-rail release clip

3

Outer slide rail attached to rack post

2

Inner rail attached to node and inserted into outer slide rail

-

Step 5

(Optional) Secure the node in the rack more permanently by using the two screws that are provided with the slide rails. Perform this step if you plan to move the rack with nodes installed.

With the node fully pushed into the slide rails, open a hinged slam latch lever on the front of the node and insert a screw through the hole that is under the lever. The screw threads into the static part of the rail on the rack post and prevents the node from being pulled out. Repeat for the opposite slam latch.

Installing the Cable Management Arm (Optional)


Note
The cable management arm (CMA) is reversible left-to-right. To reverse the CMA, see Reversing the Cable Management Arm (Optional) before installation.

Procedure

Step 1

With the node pushed fully into the rack, slide the CMA tab of the CMA arm that is farthest from the node onto the end of the stationary slide rail that is attached to the rack post. Slide the tab over the end of the rail until it clicks and locks.

Figure 4. Attaching the CMA to the Rear Ends of the Slide Rails

1

CMA tab on arm farthest from node attaches to end of stationary outer slide rail.

3

CMA tab on width-adjustment slider attaches to end of stationary outer slide rail.

2

 CMA tab on arm closest to the node attaches to end of inner slide rail attached to node.

4

Rear of node

Step 2

Slide the CMA tab that is closest to the node over the end of the inner rail that is attached to the node. Slide the tab over the end of the rail until it clicks and locks

Step 3

Pull out the width-adjustment slider that is at the opposite end of the CMA assembly until it matches the width of your rack.

Step 4

Slide the CMA tab that is at the end of the width-adjustment slider onto the end of the stationary slide rail that is attached to the rack post. Slide the tab over the end of the rail until it clicks and locks.

Step 5

Open the hinged flap at the top of each plastic cable guide and route your cables through the cable guides as desired.

Reversing the Cable Management Arm (Optional)

Procedure

Step 1

Rotate the entire CMA assembly 180 degrees, left-to-right. The plastic cable guides must remain pointing upward.

Step 2

Flip the tabs at the ends of the CMA arms so that they point toward the rear of the node.

Step 3

Pivot the tab that is at the end of the width-adjustment slider. Depress and hold the metal button on the outside of the tab and pivot the tab 180 degrees so that it points toward the rear of the node.

Figure 5. Reversing the CMA

1

CMA tab on end of width-adjustment slider

2

Metal button on outside of tab

Initial Node Setup

Refer to the following documentation:

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