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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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What Does the Equipment Serial Number on an AR Mean?

What Does the Equipment Serial Number on an AR Mean?

You can run the display elabel command to view the equipment serial number of a device. The BarCode field in the command output indicates the serial number, for example, 210235293310B5000001.

The following describes the meanings of characters in 210235293310B5000001:

  • 21: indicates a module (such as a card) or the device.
  • 0235xxxx/0231xxxx: indicates the part number of the device or module, which is allocated by Huawei.
  • 10: indicates the manufacturer. 10 indicates Huawei.
  • B: indicates the year when the product was produced. 9 specifies 2009, A specifies 2010, B specifies 2011, and so on.
  • 5: indicates the month when the product was produced.
  • 000001: specifies the sequence number of the device, module, or board.

The equipment serial number of an AR router is attached to the rear panel of the router, as shown in Figure 29-6.

Figure 29-6  Equipment serial number location

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Updated: 2019-05-10

Document ID: EDOC1000079719

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