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I have an Alcatel Access Point 1201H which has got 1 uplink gigabit port while 3 downlink ports. Also there are two ports named "PT" which mean pass through ports. I want to know what is this port used for?

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The Pass Through (PT) port is used for giving access to another device without switching. A good example would be an analog telephone line. The port is active, even though the access point fails.

If there are two cables in a wall jack, one for providing connectivity to the Access Point and a second one for some other purpose and it needs to be guided out from behind the Access Point, the Passive Pass-Thru port on the AP can be used for this purpose.

The AP is designed for hotel rooms, dorms, classrooms etc.

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