SBC 7000 Chassis Replacement

Overview

The chassis replacement procedure describes the necessary tasks to replace the chassis. It contains information about the physical swap and BMC and BIOS upgrade (if necessary).

The SBC 7000 is a 2U rack-mounted chassis. It is front or center mounted in standard 19” wide racks, with 23” wide racks options.

The SBC 7000 chassis accommodates the following modules:

• Motherboard
• Up to four DSP 25 modules or one DSP 20 module

The following platform details are required when submitting an RMA:

• Information about the platform software versions
• Information about the installed hardware including the list of CRUs
• Chassis serial number and the part number

For more information on hardware platform specification, refer to SBC 7000 Hardware Platform Specifications.

Procedures

The following tasks are performed for physical replacement of the failed chassis with the new one:

Backup the Configuration

Before installing a new license file, take a configuration backup by using the command saveConfig, which generates the .tar.gz backup file prior to the replacement.

Use the backup before performing any operation on the system. For detailed information, refer to Restoring SBC Configuration.

Perform a Graceful Shutdown

Perform the following steps to gracefully shut down the SBC.

1. Shut down host power using the BMC GUI Power Control.
2. Shut down BMC power [SSH to the BMC console and execute shutdown -h now command].
3. Unplug the various connections including the power from the system.

4. Remove the power supplies and any DSP cards from the chassis.

Check Physical Access to the Failed Chassis

Perform the following checks on all systems:

1. Rack front and back doors are unlocked and can open. 
2. There is adequate space in front of the rack to pull the chassis out of the rack.
3. Remove the front bezel.
4. There is adequate space to remove the chassis mounting screws.
5. Space in front of the rack is free of cabling, which would obstruct removal of the chassis.

Check Cable Labeling

Check whether all cables connected to the failed chassis are labeled correctly with the corresponding port information for unique identification during the HW swap from the failed chassis to the new chassis, and correct as needed. Label the cables that are not labeled.

• 1x alarm port
• 4x management port
• 4x packet port
• 2x high availability port
• 1x BMC Serial Port
• 1x BMC Field Service Port
• 2x power

SBC 7000 Rearview

Unpack the Container

Carefully remove the contents from the shipping container, and check each item for damage. The SBC 7000 is shipped with the items listed below. If any item is missing or damaged, contact your Ribbon representative for support.

Package Contents:

• Chassis including the CRUs
• Accessory Kit contains the following items:
  • ESD wrist strap
  • Chassis ground lug
  • Two AC or two DC power cables (Either of them are shipped based on the customer requirement)
  • Screws and hardware for the rack mount includes - Kit for 19 inch and 23 inch four post rack mount, flat washers, lock washers and nuts
  • Serial port connection cable
  • Alarm port kit connector

Power Off the Failed Chassis

Choose the procedure associated with the type of power source you use:

• Disconnect from AC Power Source
• Disconnect from DC Power Source
• Disconnect the Chassis Ground

Disconnect from AC Power Source

The following procedure explains how to disconnect from your local AC power source:

1. Turn off your local AC power source.
2. Remove the power cord.

Disconnect from DC Power Source

The following procedure explains how to disconnect from DC power:

1. Turn off your local DC power source.
2. Remove the Terminal connections.

Disconnect the Chassis Ground

The following procedure explains how to disconnect the chassis ground from the SBC 7000 using a 7/16 inch wrench:

1. Locate the chassis grounding studs on the back of the chassis.
2. Remove the two hex nuts and four washers.
3. Remove Ground Cable.
4. Replace the two hex nuts and four washers.
   

For detailed information on disconnecting chassis ground, refer to the section "Grounding Chassis" in Connecting Power to SBC 7000 and Powering On.

For graceful shutdown of the system, refer to the section Graceful Shutdown of the System.

Remove Components

Remove the SSD Hard Drive

To remove the SSD hard drive from the chassis, refer to SBC 7000 Solid State Drive.

Remove the SFPs

The SFPs are not included in a new chassis delivery. Remove the SFPs before the chassis replacement and keep them in a safe location free from dirt and ESD. To remove the SFPs from the chassis, refer to SBC 7000 SFPs.

Remove the Power Supplies

The power supplies are not a part of the chassis delivery. They must be removed and kept in a safe place until the chassis is replaced. To remove the AC and DC power supplies, refer to sections SBC 7000 AC Power Supply and SBC 7000 DC Power Supply.

Remove the DSP Cards from the Failed Chassis

For detailed information on removing the DSP cards, refer to SBC 7000 DSP-LC Card.

Remove the Failed Chassis from the Rack

For detailed information on removing chassis from the rack, refer to Rack Mounting the SBC 7000 Chassis.

Install the New License Bundle

The new license bundle must contain the new serial number from the replacement chassis. Call Technical Support to re-generate the license. The serial number of the new chassis is necessary to generate the license. This number can be found on the sticker behind the front Bezel. Technical Support generates the license once the RMA is submitted.

Mount the New Chassis to the Rack

For details on rack mounting procedures, refer to Rack Mounting the SBC 7000 Chassis.

Connect the Chassis Ground

For details on attaching a ground lug, refer to Grounding on the SBC 7000 Chassis.

Install Components

Install the Power Supplies

Push both power supplies into the chassis until you hear a “click” sound.

For more information on installing the power supplies, refer to the sections SBC 7000 AC Power Supply and SBC 7000 DC Power Supply.

Install the SFPs

Push all SFPs into the chassis until you hear a “click” sound.

For more information on installing the SFPs, refer to the section SBC 7000 SFPs.

Install the SSD Hard Drive

The replacement chassis is shipped with a pre-installed SSD. When the chassis RMA is performed, the customer receives the SSD with a pre-installed older release. The procedure to install an SSD hard drive to the chassis is:

SSD Received with new Chassis

1. Connect the BMC and Management cables. For detailed information, refer to section Plug the Cables Back. 
2. Configure the BMC address.   
3. Update the BMC Firmware. 

4. Configure the Management port IP addresses. 

5. Update the BIOS Firmware.
   
   For more information, see section Firmware Configuration and Upgrade.

   Warning

   The data on your SSD drive can be corrupted if the BMC and BIOS versions do not correspond to the version.

6. Power off the chassis.

 Insert the Original SSD

1. Power off the chassis.
2. Dismount the SSD drive from the new chassis.
3. Push your SSD hard drive into the chassis.
4. Screw in the screw holding the hard drive.
5. After the chassis is rack mounted and the drive is inserted, you must attach the front bezel to the SBC 7000 Chassis by aligning 4 ball studs located on the bezel assembly to the ball stud sockets located on the SBC 7000 chassis. Apply equal forward pressure to the four corners of the bezel assembly until each of the four corners “click-in”.
6. Connect the power again. For detailed information, refer to the section Connecting to Power and Power on the Switch.

Plug the Cables Back

Plug the required cables to the new chassis. Make sure all the cables are plugged in according to the labeling.

Connect to Power and Power on the Switch

The following procedure explains how to connect to the power and powering on the switch:

• Connect to AC Power and Powering On
• Connect to DC Power and Powering On 
• Install the DSP Cards

Connect to AC Power and Powering On

1. Insert the end of the power cords to at the rear of the chassis as shown in this figure.
2. Connect the supplied power cords to the local AC power source. 

3. Turn on your local AC power source.
   
   For information on the SBC 7000 Old Tectrol Supply, refer to SBC 7000 Tectrol (451-01043) AC Power Supply - Without Power Socket on the Face.

   For information on the SBC 7000 ABB GE, refer to SBC 7000 ABB-GE (451-01060) AC Power Supply - With Power Socket on the Face.

Connect to DC Power and Powering On

1.  Remove the clear plastic terminal cover and re-secure the cover once the following connections are made, as shown in next figure.
   • Connect Chassis ground to the Green cable
   • Connect Return to the Black cable
   • Connect -48V to the Red cable
2. Connect the supplied DC power cables to the local DC power source.

3. Turn on your local DC power source.
   
   

Connecting the DC power supply

Install the DSP Cards

For more information on DSP card installation, refer to SBC 7000 DSP20 Module

Firmware Configuration and Upgrade

The installation process is divided into following parts. New license, BMC, and BIOS must be already installed or upgraded.

• Assign BMC Address
• Verify the Platform Software on the New System
• Update the BMC Firmware
• Configure the MGMT IP addresses
• Update BIOS Firmware
• Check the Overall System Status

Assign BMC IP Address

Ribbon provides the pre-configured IP address “169.254.77.1” to facilitate out of the box access to the BMC web interface. Configure your PC to access the default BMC address “169.254.77.1”. To access the BMC web application, connect the Field Service Port to the PC configured with the pre-configured IP address and type the IP address in a web browser.

For details, refer to the section Configuring SBC 7000 BMC IP Address Via Serial Console or Launching the SBC 7000 BMC Remote Console.

Verify the Platform Software on the New System

Make sure you have access to the correct software code that the current active system is running.

Update the BMC Firmware

The BMC firmware is updated through the following steps:

1. Obtaining the BMC firmware image from the Ribbon Support Portal and copying it to the local folder on the PC.
2. Upgrading the firmware

For details, refer to the section Upgrading Firmware.

Configure the MGMT IP Addresses

The new chassis does not configure management IP addresses. 

Update the BIOS Firmware

The SBC application must be upgraded before using the old or the new SSD. For upgrading SBC application, refer to Upgrading Firmware.

Check the Overall System Status

Check the system status by using EMA GUI or by CLI commands.

Using EMA GUI

For detailed information, refer to All - System.

Using CLI

The following commands must be executed to check the system status:

% show table system serverStatus
% show table system syncStatus 

For details, refer to the section Show Table System.

BMC Downgrade

There is no need to downgrade the BMC to a lower version if the delivered chassis is on a higher version of the BMC than what is tested, as the BMC is backward compatible. Contact Ribbon Global Product Support if you have any issues with compatibility.