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PoE troubleshooting

An access point has power but a slow wired link: check the PoE data path

An injector can provide adequate power while another part of the Ethernet path limits throughput.

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PoE troubleshooting

A PoE camera restarts at night: inspect peak power before blaming Wi-Fi

Night illumination or heating can change demand, so compare the restart time with power and link events.

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PoE power planning

PoE injector vs PoE switch for adding an access point

Compare device count, management needs and the existing switch before replacing more hardware than necessary.

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PoE power planning

Passive PoE vs 802.3af/at: do not choose an injector by voltage alone

Match the powered device’s documented standard and electrical requirements before connecting an injector.

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PoE power planning

Calculate a PoE switch budget before adding access points and cameras

Check both the per-port capability and the total available budget, using documented device requirements.

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Mesh maintenance

Replace the main Deco during an upgrade without rebuilding the whole network

Use the supported main-unit change workflow and verify operating-mode compatibility before moving the internet cable.

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Coverage design choices

Deco XE75 6 GHz: dedicated backhaul or client network?

Read the configured role of the 6 GHz radio before assuming a missing client network means the hardware is faulty.

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Roaming and client behavior

An older device fails after enabling Deco Fast Roaming: run a compatibility check

Test the specific roaming feature separately from the network’s encryption and other wireless settings.

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Roaming and client behavior

Deco preferred connection: changing a satellite’s source is different from pinning a client

Select the correct object in the app and measure the result before overriding automatic connection choices.

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Wired backhaul planning

AiMesh Ethernet Backhaul Mode vs Ethernet-first priority

Choose the setting that matches an all-wired or mixed installation, and verify every node before applying it.

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300 FAQs across our guide libraries

Quick answers

100 practical questions from Amped Wireless Guides.

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How do I test guest isolation at a remote mesh node?

When extending Wi-Fi to an upstairs node, garden access point or detached room, verify the guest policy from that location. A network named “Guest” can be visible without proving that the intended separation is enforced along the full path. TP-Link's Deco documentation distinguishes features and guest behavior across operating modes. A separate managed access point may instead rely on VLAN mapping and router policy. Use the documented design for the equipment actually installed.

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Where should I test mesh placement between two floors?

In a two-storey home, placing a mesh node directly above the router can look sensible while performing poorly. The signal may cross a dense floor structure. A slightly longer route near a stairwell can sometimes work better, but the home needs testing. Draw a simple floor plan with the router, stairwell, thick walls and rooms where calls or streaming matter. Include safe power outlets and possible cable routes. The goal is useful service at those locations, not equal spacing between decorative nodes.

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Are G.hn and HomePlug AV2 powerline adapters compatible?

Before adding an adapter to an existing powerline network, read the standard on both products. G.hn and HomePlug AV or AV2 are different technologies. An adapter using one cannot simply pair into a network using the other. Write down each adapter's full model, hardware revision and standard. Product names containing a large speed number do not reliably identify the protocol. Keep a photograph of the label for your own records, without posting device credentials publicly.

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Does upgrading from U6+ to U7 Lite add 6 GHz support?

UniFi's U7 Lite and U6+ serve similar compact access-point roles, but the newer generation changes several planning requirements. The U7 Lite specification lists a 2.5 GbE uplink; the U6+ lists Gigabit Ethernet. Both cited products operate on 2.4 and 5 GHz. If the upgrade goal is specifically to add 6 GHz coverage, inspect another suitable model whose specification includes that band. Wi-Fi 7 branding alone does not answer the frequency-band question.

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