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CLI-based Configuration Guide - Interface Management

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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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).
Configuring a Network Connection Mode

Configuring a Network Connection Mode

Context

After a CDMA2000 network connection mode is configured on a 3G modem, you can access the 2G or 3G network in 1XRTT/EVDO or hybrid (a combination of 1xRTT and EVDO) mode. Configure a network connection mode based on the network situation, 3G modem type, and limitations on the UIM card. For example, if you only subscribe to EV-DO services, connecting to the 1xRTT network will cause failures in communication.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run interface cellular interface-number

    The 3G cellular interface view is displayed.

  3. Run mode cdma { 1xrtt-only | evdo-only | hybrid }

    A WCDMA network connection mode is configured on a 3G modem.

    NOTE:

    For the 1LTE-Lt interface card, only SIM cards supporting CDMA services can be identified after the CDMA2000 network connection mode is configured using the mode cdma { 1xrtt-only | evdo-only | hybrid } command.

Follow-up Procedure

After the network connection mode is configured, run the display cellular interface-number network command to check the Current Service Status field. If the Current Service Status field displays Service Available, the current 3G/2G service is available.

If the Current Service Status field displays No Service or Emergency, the 3G service is unavailable. If the 3G service is unavailable, perform the following operations.

  1. If the 3G interface is connected to the WCDMA network or a network that is compatible with the WCDMA network, run the display cellular interface-number network command to check the Mobile Country Code (MCC), Mobile Network Code (MNC), and Mobile Operator Information fields and check whether the PLMN selected by the 3G modem is consistent with that of the carrier.
    NOTE:

    If the 3G interface is connected to the CDMA2000 network or a network that is compatible with the CDMA2000 network, you can skip this step.

  2. Run the display cellular interface-number network command to check the Current Network Connection field and check whether the type of the network connected to the 3G modem is correct.
  3. Run the display cellular interface-number radio command to check the Current RSSI field and received signal strength. If the RSSI is larger than or equal to -85 dBm, signals are stable and reliable.
    • If the Current RSSI field displays a value smaller than -85 dBm, perform the following operations:

      1. Check whether the angle of the antennas is proper. The angel of antennas affects signal receiving and sending.
      2. Check whether the 3G/2G signal in the area is strong.
    • If the Current RSSI field displays Unknown, perform the following operations:

      1. Check whether the 3G data card is supported by the device.
      2. Check whether the 3G hardware or 3G antenna is damaged, not properly installed, or not fastened.
      3. Check whether the area is covered with 3G/2G signals.
  4. Check the SIM, USIM, or UIM card.
    1. Contact the carrier to confirm whether 3G/2G services are enabled on the SIM, USIM, or UIM card and whether the users owe fees.
    2. Run the display cellular interface-number radio command to check the SIM Status field and check whether the SIM, USIM, or UIM card status is normal.

      If the SIM Status field displays Not insert, the SIM, USIM, or UIM card is not installed properly.

  5. Run the display cellular interface-number radio command to check PIN Status and check whether the PIN status is normal.
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Updated: 2019-03-06

Document ID: EDOC1100069331

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