Allied Telesis AT-TQ2450 - Manual (Page 29)

AT-TQ2450 Wireless Access Point Installation Guide
29
Warning
Operating Temperature. This product is designed for a maximum
ambient temperature of 40° degrees C with the AC/DC adapter and
50° degrees C with Power over Ethernet.
Note
All Countries: Install product in accordance with local and National
Electrical Codes.  E8
Note
This product is not approved for use in a computer room as defined
in the Standard for Protection of Electronic Computer/Data
Processing Equipment, ANSI/NFPA 75.
Note
If you are not using PoE to power to the unit, use only the AC/DC
adapter that ships with the product to ensure compatibility.