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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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(Optional) Selecting Frequency Bands

(Optional) Selecting Frequency Bands

Context

A GSM/WCDMA network usually provides multiple frequency bands for users to access the network. If a GSM/WCDMA network changes its frequency band, the 3G cellular interface connected to the GSM/WCDMA network will adjust its frequency band automatically to adapt to the GSM/WCDMA network, affecting the stability of 3G links.

If the GSM/WCDMA network in use has a stable frequency band, you can manually set the frequency band for the 3G cellular interface to connect to the GSM/WCDMA network. This prevents network frequency band flapping caused by frequency interference, and ensures the stability of 3G links.

Procedure

  • Set the frequency band for the 3G cellular interface to connect to a GSM network.
    1. Run system-view

      The system view is displayed.

    2. Run interface cellular interface-number

      The 3G cellular interface view is displayed.

    3. Run band gsm { gsm1800 | gsm1900 | gsm850 | gsm900 }*

      The frequency band for the 3G cellular interface to connect to a GSM network is set.

      By default, a 3G cellular interface automatically selects a frequency band to connect to a GSM network.

  • Set the frequency band for the 3G cellular interface to connect to a WCMDA network.
    1. Run system-view

      The system view is displayed.

    2. Run interface cellular interface-number

      The 3G cellular interface view is displayed.

    3. Run band wcdma { wcdma1900 | wcdma2100 | wcdma850 | wcdma900 | AWS }*

      The frequency band for the 3G cellular interface to connect to a WCDMA network is set.

      By default, a 3G cellular interface automatically selects a frequency band to connect to a WCDMA network.

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Updated: 2019-03-06

Document ID: EDOC1100069331

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