How to test a WR31 router step by step.
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2.1.1 Diagram
The following diagram represents how the equipment will be connected during the repair process:
The internet connection is not essential but may be useful during troubleshooting. It is essential that
the PC’s Ethernet communication interface is configured correctly (e.g. it has an IP address)
Also note that the Ethernet switch/hub used must have spanning tree protocol disabled.