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You need to loopback any unused ports, including the extender ports. For example, if you are using a
single PSI device you need to loopback the extension ports with three 10-inch MTP cables to make the
following connections:
• EX1-WX1
• EX2-WX2
• EX3-WX3
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When use regular 24 fiber LightRail cables to connect multiple PSI devices; three cables to the East PSI
device, three cables to the West PSI device.
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The QSFP ports in the diagram include a label indicating direction (W1 through W3 and E1 through E3).
These labels are for informational purpose and are not found on the Plexxi Switch 2e chassis.
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