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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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Does the AR3260 Support Double SRUs? If So, How Do I Install the Standby SRU?

Does the AR3260 Support Double SRUs? If So, How Do I Install the Standby SRU?


Support for Double SRUs

SRU Location


  • Versions earlier than V200R005C00: support only a single SRU.
  • V200R005C00 and later versions: support double SRUs.

Active SRU: SRU slot 15

Standby SRU: multiple function slot (MFS) 13 and MFS 14 (The two MFS slots are combined into standby SRU slot 14.)


To combine the two MFS slots, remove the filler panels on the MFS slots with a Phillips screwdriver, loosen the screw on the guide rail between the two slots, and then remove the guide rail.

Updated: 2019-05-10

Document ID: EDOC1000079719

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