In this section:

Commissioning the AMC124 CPUs may require license configuration, depending on the AMC124 type (see Overview of Supported CPUs) to be commissioned. Therefore, it is recommended that before you execute the procedures provided on this page, review the information on the License Management page. 

  

Note

The screen captures in the procedures on this page are examples only and may show other releases than the ones applicable to the current release. However, the procedures are accurate and are applicable to this release.

For simplicity, not all steps are presented with screen captures, but there are sufficient screen captures to guide you through the procedure.

When working with system cards, make sure to attach a grounding strap to your wrist or ankle and the ESD ground jack located on the front or rear panels of the chassis. For more information, refer to DSC 8000 ESD Requirements for the locations of the ground jacks on the DSC 8000 chassis.  

Prerequisites

Workflow

StepAction
1Complete the Before Installation section. 
2

Complete the appropriate installation procedure in the Install an I/O Card section

3Complete the After Installation procedures that apply to your system. 


Caution



Failure to follow proper Electrostatic Discharge (ESD) guidelines when handling sensitive hardware can damage the equipment. Refer to the Ribbon ESD procedure Connecting Electrostatic Discharge Wrist Strap for information on protecting yourself and the equipment.

Required Equipment 

The screws on the card are for retention of the card in the chassis only.  They are not intended to be used to seat the card. Screws should only be finger tightened to initial contact with the extended flanges. Do NOT over tighten screws past initial contact with the extended flanges. Over tightening the screws can result in damage to the card and chassis.

When tightening screws, use only finger pressure on the driver.  It is best to grip the handle of the driver with only finger tips to ensure excessive force is not applied to the screws.

The retention screws are spring loaded to prevent them from inhibiting the faceplate from making full contact with the chassis.

In order to avoid cross threading the screws when tightening, gently push on the screw with the driver until nut bar contact is made.  Gently turn the driver anti-clockwise until you feel the threads of the fastener settle into the threads of the receiving hole.  This will make a slight clicking noise and will be felt through the driver. Once the threads have aligned, turn the driver clockwise to secure the screw.  The screw should go in smoothly.  If resistance is felt, turn the driver anti-clockwise again to re-align the threads before proceeding.

Before Installation

Before installing an AMC671 MCH card in the chassis, remove the protective insulating tape from the battery. Refer to the following figure for the location of the tape on the card.

Verify slot status before installation

Before installing a system card in the DSC 8000 chassis, it is recommended that you verify the status of the slot (using the Slot Monitor) into which you are planning to insert the given card.

Before installing a system card, the Slot Monitor should show the following for the slot's status: 

  • Slot Type: vacant
  • Slot Status: EXTRACTED

Install an I/O Card

Install an AMC671 MCH and an RMC670 µRTM

Follow the instructions in this section to install an AMC671 MCH and an RMC670 µRTM in a DSC 8000 chassis. It is highly recommended that you execute the tasks in the same order as they are presented to avoid damaging the system.

Caution

 


When following the insertion and extraction procedures, the proper card insertion and removal sequence must be followed to avoid damage to the hardware. The AMC671 MCH must be installed first before the RMC670 µRTM is installed in the chassis to avoid damage to the hardware. Following this order avoids excessive force applied to these cards during insertion, and ensures that the connectors are properly seated in their slots. For more information, refer to Seating AMCs, MCHs, and µRTMs for additional details. 

Caution

Check the firmware version of the replacement cards and update them as required (for information about updating the DSC 8000 firmware, refer to Appendix A: Updating Firmware on the DSC 8000).

Start

Caution

If an RMC670 µRTM is installed in the rear card slot of the chassis, remove this µRTM before inserting the AMC671 MCH in the front card slot to avoid damage to the hardware. The proper card insertion sequence must be followed or the connection can be damaged.

  1. Be sure you have completed the Before Installation section. 

  2. Open the AMC671 MCH faceplate Ejection Handle switch by gently pulling it toward you. Two audible clicks can be heard during this action. Pull the card until you can hear the second click.

  3. Remove the protective insulating tape on the battery pack of an AMC671 MCH card.

  4. Line up the top and bottom AMC671 edges with the required slot guides located in front of the mid-plane connector of the chassis.

      

  5. Carefully slide the AMC671 MCH card back toward the mid-plane of the chassis until the card edge connector is seated in the mid-plane connector and the faceplate is flush with the chassis.When the card edge connector is seated and makes proper contact with the mid-plane connector, the blue hot-swap LED turns ON.  

    Caution

    Applying excessive force to seat a double wide card in the chassis may damage the hardware. Finger tighten the faceplate retention screws until they contact the extended flanges to secure the faceplate in the chassis.


  6. Using a #2 Phillips-head screwdriver, turn the retention screws clockwise until they are in contact with the extended flanges.  Do NOT over tighten the screws.

    Tip

    Double-wide cards require the faceplate to be fully seated and flush with other cards before securing with screws.  Once fully seated, tighten the screws until they contact the extended flanges.  Do NOT over tighten the screws.  



     

  7. Repeat step 1 through to step 6 to insert the RMC670 µRTM in the chassis.
  8. Connect the interface cables to the required ports on the AMC671 MCH card and the RMC670 µRTM.
  9. Close the faceplate ejection handle switches on the RMC670 µRTM and the AMC671 MCH in the following order:
    1. Push the ejection handle switch on the RMC670 µRTM gently towards the faceplate to activate the card.
    2. Push the ejection handle switch on the AMC671 MCH towards the faceplate to activate the card.

    When the ejection handle switch is closed (pushed in), the hardware connection process begins. The card is operational when the blue hot-swap LED turns OFF.

    Caution

    Do not activate an AMC671 MCH before the RMC670 µRTM is installed and activated to avoid damage to the hardware.

  10. Continue with the After Installation procedures.

Install an AMC124 CPU and an RMC110 µRTM

This section provides you with information for installing an AMC124 CPU (front card) and its RMC110 µRTM (rear card). It is highly recommended that you execute the tasks in the same order as they are presented to avoid damaging the card.

Caution

 When following the insertion and extraction procedures, the proper card insertion and removal sequence must be followed to avoid damage to the hardware. The AMC124 CPU must be installed first before the RMC110 µRTM is installed in the chassis to avoid damage to the hardware. Following this order avoids excessive force applied to these cards during insertion, and ensures that the connectors are properly seated in their slots. For more information, refer to Seating AMCs, MCHs, and µRTMs for additional details.  

Caution

Check the firmware version of the replacement cards and update them as required (for information about updating the DSC 8000 firmware, refer to Appendix A: Updating Firmware on the DSC 8000).

The following table provides an overview of the AMC124 CPUs supported on the DSC 8000.

AMC124 CPUControl ShelfSlot NumberExpansion Shelf 1Expansion Shelf 2Expansion Shelf 3
ManagementRequiredSlot 2 and 13N/AN/AN/A
RoutingRequiredSlot 3 and 12N/AN/AN/A
Routing or ApplicationOptionalSlots 4 to 11Slots 16 to 27Slots 30 to 41Slots 44 to 55

    
The Management CPUs are used for system administration functions and are equipped with hard drives for long term storage. These CPUs have been designed with a redundant online/standby Operation, Administration and Maintenance (OA&M) architecture.

The Routing CPUs provide the processing functions for MTP3 routing, SCCP routing, Global Title Translation (GTT), Gateway Screening (GWS), Integrated Monitoring Feed (IMF), and Diameter and SIGTRAN protocols.  These processes operate in a load-sharing mode providing automatic failover capability in the event of errors and at the same time ensuring the system is equipped to handle peak traffic loads.

Note

On the DSC 8000, the DSC and SIGTRAN traffic are supported on the same Routing CPU; however, the traffic must be provisioned and transmitted on different subnets. 

The Application CPUs are dedicated to the Diameter Signaling Controller (DSC DB) and SS7 Database Application (SDA) applications.

The procedures for installing Management and Routing CPUs are provided in this page. For assistance installing an Application CPU, contact Customer Support. 

Start

Caution

When replacing a µRTM (rear card), do not allow the card to boot up. The boot sequence MUST be interrupted before the slot boots. Refer to Boot up the BIOS for directions on how to interrupt the boot sequence.

Failure to stop the boot sequence can result in system wide corruption.

  1. Be sure you have completed the Before Installation section. 

  2. Make sure that you have the required license keys for your DSC 8000 including the license keys for the new CPU that you want to install.
    For more information about licensing, refer to License Management.

  3. Make sure that you have a bootable USB backup/installer for the present load on the system, and a present day complete system backup, by performing a Complete System Backup [(refer to Complete System Backup (using a USB key)].

  4. Do one of the following:
    1. If the RMC110 µRTM is new or being replaced, make sure that you have a bootable USB backup/installer for the present load on the system and a present day complete system backup.
    2. If only the AMC124 is new or being replaced, you will not need to re-install the OS or application software (see To install the OS and To install the application software). 

    Note

    A 16GB USB key is recommended for this purpose.

  5. Open the AMC124 CPU faceplate ejection handle switch by gently pulling it toward you. Two audible clicks can be heard during this action. Pull the card until you can hear the second click.

  6. Line up the top and bottom AMC124 CPU edges with the required slot guides located in front of the mid-plane connector of the chassis.

    Carefully slide the card back toward the mid-plane of the chassis until the card edge connector is seated in the mid-plane connector and the faceplate is flush with the chassis.
    When the card edge connector is seated and makes proper contact with the mid-plane connector, the blue hot-swap LED turns ON.       

    Caution

     Applying excessive force to seat a card in the chassis may damage the hardware. Finger tighten the faceplate retention screws until they contact the extended flanges to secure the faceplate in the chassis.

  7. Using a #2 Phillips-head screwdriver, turn the retention screws clockwise until they are finger tightened against the extended flanges to secure the faceplate in the chassis.


  8. Repeat step 3 through to step 6 to insert the RMC110 µRTM in the chassis.
  9. Connect the interface cables to the required ports on the AMC124 CPU and the RMC110 µRTM as required.
  10. Close the faceplate ejection handle switches on the RMC110 µRTM and the AMC124 CPU in the following order
    1. Push the ejection handle switch on the RMC110 µRTM gently towards the faceplate to activate the card.
    2. Push the ejection handle switch on the AMC124 CPU towards the faceplate to activate the card.

    When the ejection handle switch is closed (pushed in), the hardware connection process begins. The card is operational when the blue hot-swap LED turns OFF.

    Caution

     Do not activate an AMC124 CPU before the RMC110 µRTM is installed and activated to avoid damage to the hardware.

  11. Continue with the Boot up the BIOS procedure.

Boot up the BIOS

Start

  1. Insert the USB backup/installer created in Install an AMC124 CPU and an RMC110 µRTM into either USB port on the AMC124 CPU faceplate.

  2. Attach and open a console to the AMC124 CPU using already provided and configured terminal settings.

  3. Pull the Hot-swap switch handle to the second position to deactivate the card.  Wait for Hot-swap LED to turn solid blue.  Wait a few more seconds and push the Hot-swap switch handle back in to activate the card and begin boot up.  For location of the Hot-swap switch handle and LED, refer to Routing and Management CPUs, AMC124.


     

  4. Interrupt the boot sequence almost immediately on the console, after the previous step, by pressing F2 at the appropriate boot screen.

    You may press F2 several times during the CPU startup.

      

  5. Using the right keyboard arrow, move to the Boot menu, and press ENTER.

       
     

  6. Using the down keyboard arrow, move to the Legacy option, and press ENTER.

  7. Using the down keyboard arrow, move to the Boot Type Order option, and press ENTER.


      

  8. Using the down keyboard arrow, move to the USB listing and highlight it.
  9. Press F6 and move the USB listing to the top of the bootable drive options.
  10. Press the <ESC> key twice to return to the Main Menu.
  11. Using the right arrow keyboard key, move to the Exit option.

  12. Press ENTER to exit on the already highlighted menu option Exit Saving Changes.

     

  13. Continue to the Restore the Data Configuration procedure. 

Restore the Data Configuration

Start

  1. Login to the new CPU.

    echo (slot number) > /opt/restore_identity

    For example, if the new CPU is supposed to be slot 2, type the following:

    echo 2 > /opt/restore_identity

  2. Enter the following, and press ENTER.

    systemctl restart sonus-system
  3. The CPU restores the data and then reboots itself. The CPU restore can take up to 15 minutes.

Install an AMC348 I/O Card and an RMC348 µRTM

This section provides you with information for installing an AMC348 IO card (front card) and its RMC348 µRTM (rear card). It is highly recommended that you execute the tasks in the same order as they are presented to avoid damaging the card.

Caution


When following the insertion and extraction procedures, the proper card insertion and removal sequence must be followed to avoid damage to the hardware. The AMC348 IO card must be installed first before the RMC348 µRTM is installed in the chassis to avoid damage to the hardware. Following this order avoids excessive force applied to these cards during insertion, and ensures that the connectors are properly seated in their slots. See Seating AMCs, MCHs, and µRTMs for additional details.

Start

  1. Open the AMC348 I/O Card faceplate ejection handle switch by gently pulling it toward you.

  2. Two audible clicks can be heard during this action. Pull the card until you can hear the second click. 

  3. Line up the top and bottom AMC348 I/O Card edges with the required slot guides located in front of the mid-plane connector of the chassis.

  4. Carefully slide the card back toward the mid-plane of the chassis until the card edge connector is seated in the mid-plane connector and the faceplate is flush with the chassis.

  5. When the card edge connector is seated and makes proper contact with the mid-plane connector, the blue hot-swap LED turns ON.  

    Caution


    Applying excessive force to seat a double wide card in the chassis may damage the hardware. Finger tighten the faceplate retention screws until they contact the extended flanges to secure the faceplate in the chassis.

  6. Using a #2 Phillips-head screwdriver, turn the retention screws clockwise until they contact the extended flanges to secure the faceplate in the chassis.

  7. Repeat step 2 through to step 6 to insert the RMC348 µRTM in the chassis.
  8. Close the faceplate ejection handle switches on the RMC348 µRTM and the AMC348 I/O Card in the following order:
    1. push the ejection handle switch on the RMC348 µRTM gently towards the faceplate to activate the card.
    2. push the ejection handle switch on the AMC348 I/O Card towards the faceplate to activate the card.

When the ejection handle switch is closed (pushed in), the hardware connection process begins. The card is operational when the blue hot-swap LED turns OFF.

Caution



Do not activate an AMC348 I/O card before the RMC348 µRTM is installed and activated to avoid damage to the hardware.

Note

If you have added a new AMC348 I/O Card to the system that was not installed previously, this card must be commissioned. For detailed information about commissioning an AMC348 I/O card refer to Commission an I/O Card. This procedure also provides instructions about upgrading the software on the AMC348 I/O card(s) to match the system software.

Note

If you have replaced a failed AMC348 I/O card, the software on the replacement card may need to be updated. Follow the procedure Commission an I/O Card to make sure that the AMC348 I/O card(s) software matches the system software.

After Installation

Install the OS

Note

This section is for all I/O cards that have been installed to a system up to and including SP2000 R23.0.0.R00. 

If you are replacing the RMC110 µRTM or adding a new AMC124 CPU and RMC110 µRTM, follow the procedure in this section. 

If you are only replacing the AMC124 CPU (front card), you will not need to re-install the OS or Application Software. In this case, follow the instructions in Configuring the System Licensing. Once the new license has been installed, it is recommended to create a backup (refer to Complete System Backup (using a USB key).

Start

  1. The system will boot to a prompt as follows. Enter root and press ENTER.

    CentOS Linux 7 (Core)
Kernel 3.10.0-693.21.1.el7.sonus06.x86_64 on an x86_64
 
usb-os-installer login: root

  2. If you are installing on a card with two hard drives, output similar to the following will be displayed.  (If you are installing on a card with a single hard drive, proceed to step (4) instead.)  Enter y (or n if you wish to retain the old logs/stats information), and press ENTER.

    +-------------------------------------+
|         USB OS Installation         |
+-------------------------------------+
Installation Details
================================================================================
Card Type: AMC124
Target Root File System Device:
	Node:        /dev/sda
	Transport:   ata
	Description: ATA INTEL SSDSC2CT06
Target Shared Storage Device:
	Node:        /dev/sdb
	Transport:   ata
	Description: ATA INTEL SSDSC2CT24
Installer Key Device:
	Node:        /dev/sdc
	Transport:   usb
	Description: Lexar USB Flash Drive

Do you wish to repartition/reformat the logs/stats device /dev/sdb (y/n)? y

  3. The following prompt will be displayed.  Enter y, press ENTER, and proceed to step (5). 

    The system will be installed on device sda.
Also, the logs/stats device sdb will be repartitioned/reformatted.

Confirm (y/n)?

  4. If you are installing on a card with a single hard drive, output similar to the following will be displayed.  Enter y, and press ENTER.

    +-------------------------------------+
|          USB OS Installation        |
+-------------------------------------+

Installation Details
===============================================================================
Card Type: AMC124
Target Root File System Device:
	Node:        /dev/sda
	Transport:   ata
	Description: ATA INTEL SSDSC2CT06
Installer Key Device:
	Node:        /dev/sdb
	Transport:   usb
	Description: Lexar USB Flash Drive

The system will be installed on device sda.

Confirm (y/n)? y

  5. The installation of the OS will then proceed.  When prompted, remove the USB key and press ENTER to reboot the AMC124 CPU:

    Please remove the USB key.  Upon reboot into theOS installed on the permanent drive there will be additional automated installation steps and a second reboot.
When this reboot has completed:
  - for new install the login banner will indicate when system initialization steps are required.
  - for restore the data will be applied to the system and applications will start.
Manual installation sanity checks can be performed at that time.


Please remove the USB key and press ENTER to continue (reboot).  <PRESS ENTER>
  6. If the AMC124 CPU does not boot without the USB key, go to the BIOS settings and ensure that the SD card is set as the first boot device.
  7. The system will reboot and automatically install the Application Software.  Once complete, it will then automatically reboot once more.

  8. After the system reboots the following prompt should appear.

    CentOS Linux 7 (Core)
Kernel 3.10.0-693.21.1.el7.sonus07.x86_64 on an x86_64

dscvmbuild login:

Verify a system card status after installing a card

Start

  1. From the Main Menu, click Slot Monitor.
  2. For detailed information about the system card that you have installed, click the required slot number.
    The following screen capture shows the details for a successfully installed system card.


Verify Slot Status after installation

After installing a system card, the Slot Monitor should show the following for the card's status (after about one minute):

  • Slot Type: <card type>
  • Slot Status: AVAILABLE