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Hardware Installation and Maintenance Guide

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600

This section provides brief procedure for installing the AR series routers. This document describes preparations before AR series routers installation, installation methods and precautions, AR series routers maintenance, and common methods for troubleshooting typical hardware module faults.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
(Optional) Installing a DSP Card on the SRU

(Optional) Installing a DSP Card on the SRU

Context

To enable a router configured with the SRU40, SRU60, SRU80, and SRU100 to provide the voice service, you need to install a DSP card on the SRU.

NOTE:
  • The methods for installing a DSP card on different SRUs are the same. The following procedure installs a DSP card on the SRU40.
  • If the AR3260 is deployed in active/standby mode, you need to install DSP cards with the same specifications in the same slot on the SRUs on both the active and standby nodes.

Tools

  • ESD wrist strap
  • DSP card (optional part)

Procedure

  1. Wear an ESD wrist strap. Ensure that the ESD wrist strap is grounded and in a close contact with your wrist.
  2. (Optional) If the SRU has been installed on the router, remove it.
  3. Install a DSP card.

    Insert the DSP card in the DSP slot and close the locking latches.



  4. (Optional) Install the SRU on the router.

Follow-up Procedure

Verify that the DSP card is installed correctly.

  1. After completing the installation, start the router.
  2. After the router starts, run the following commands:
    <Huawei> system-view
    [Huawei] voice
    [Huawei-voice] display voice dsp state 0/0
  3. If the following information is displayed, the DSP card is installed correctly and working normally.
    Symbol:
                 0-idle $-G.711 busy A-All busy W-Wastage X-fault 
                 @-IP loopback *-PCM loopback #-prohibited 
    Channel NO.  DSP channel state                                                
      ----------------------------------------------------------------------        
      0000-0049  00000 00000 00000 00000 00000 00000 00000 00000 00000 00000        
      0050-0099  00000 00000 0000 
    Total:                                                                        
          64  DSP channel                                                           
          64  idle, 0 G.711 Busy, 0 All Busy, 0 Wastage, 0 Fault,                   
          0   IP loopback, 0 PCM loopback, 0 prohibited 
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Updated: 2019-05-17

Document ID: EDOC1000039117

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