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Merge pull request #303248 from LakshJ-MS/patch-25
Update data-box-cable-adapter.md
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includes/data-box-cable-adapter.md

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author: stevenmatthew
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ms.service: azure-databox
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ms.topic: include
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ms.date: 02/28/2025
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ms.date: 07/24/2025
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ms.author: shaas
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---
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> [!IMPORTANT]
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> Data Box Next Gen 120TB and 525TB devices use QSFP28 cables. SFP+/SFP28 cables used with the original 80TB devices cannot be inserted directly into Data Box Next Gen devices without an appropriate adapter.
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>
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> :::image type="content" source="media/data-box-cable-adapter/qsfp-sml.png" alt-text="Image highlighting the differences between the SFP+, SFP28, and QSFP28 cables." lightbox="media/data-box-cable-adapter/qsfp-lrg.png":::
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> - Data Box Next-gen 120 TB and 525 TB devices use QSFP28 cable (for example, Q28-PC01 100G DAC QSFP28 Passive Direct Attach Copper Twinax cable). <br>
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> :::image type="content" source="media/data-box-cable-adapter/qsfp-sml.png" alt-text="Image highlighting the differences between the SFP+, SFP28, and QSFP28 cables." lightbox="media/data-box-cable-adapter/qsfp-lrg.png":::
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> - To connect SFP+/SFP28 cables to Data Box Next-gen devices, use an appropriate adapter. For example, QSFP to SFP+ adapters include Mellanox MAM1Q00A-QSA or Cisco 100G QSFP28. <br>
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> - To connect a QSFP28 device to an LC fiber backend using the Mellanox MAM1Q00A-QSA adapter or another compatible adapter, you need:
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> - A Mellanox MAM1Q00A-QSA Adapter, which converts the QSFP28 port to an SFP+ or SFP28 slot.
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> - A Compatible optical SFP+ or SFP28 Transceiver that matches your LC fiber backbone (for example, SFP+ SR for multimode fiber or SFP+ LR for single-mode fiber).
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> - An LC Fiber Cable, which connects the transceiver to your fiber backbone.
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