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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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Restarting a 3G Modem Manually

Restarting a 3G Modem Manually


A 3G modem restarts automatically when it detects an exception. If the 3G modem cannot restart automatically, restart it manually.


The SIM, USIM, or UIM card is not hot-swappable. To ensure that the SIM, USIM, or UIM card works normally, restart the 3G modem manually after hot-swapping the SIM, USIM, or UIM card.

You can run the display cellular command to check whether the SIM, USIM, or UIM card is working properly based on the SIM Status or UIM Status field.


  1. Run the system-view command to enter the system view.
  2. Run the interface cellular interface-number command to enter the 3G cellular interface view.
  3. Run the modem reboot command to restart the 3G modem.
Updated: 2019-03-06

Document ID: EDOC1100069331

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