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CablesOnline 6-Pack 10/100 Ethernet Loopback Plug, Pinout 1-to-3, 2-to-6, Gray TS-UL01-6 : Electronics - Amazon.com
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Amazon.com: Shaxon CAT5e Ethernet Loopback Adapter RJ48C Jack & RJ45 Male, Dark Blue (MAELCFM-NB-B) : Electronics
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