Education - Australia / New Zealand

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A local community of Aruba education customers across Australia/NZ. This group will be moderated by Aruba staff and kept up to date with any upcoming training or events that are relevant to the EDU space.

Help with IAP-315-RW POE Injector

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  • 1.  Help with IAP-315-RW POE Injector

    Posted Apr 26, 2021 12:01 PM
    Hello! We replaced some old APs with new Aruba's IAP-315-RW, but the old POE injectors are not working. What kind of injector do I need to make them work?
    The back of the AP says "57 V 500MA"  but the manual shows this:

    • The AP supports direct DC power and Power over
    Ethernet (POE)
    • When both power sources are available, DC power takes
    priority over POE
    • Power sources are sold separately
    • Direct DC source: 12Vdc nominal, +/- 5%
    - Interface accepts 2.1/5.5-mm center-positive circular
    plug with 9.5-mm length
    • Power over Ethernet (PoE): 48 Vdc (nominal)
    802.3af/802.3at compliant source
    - Unrestricted functionality with 802.3at PoE
    - When using IPM, the AP may enter power-save mode
    with reduced functionality when powered by an 802.3af
    PoE source (see details on Intelligent Power Monitoring
    elsewhere in this datasheet)
    - Without IPM, the USB port is disabled and transmit
    power of the 2.4 GHz radio chains are reduced by 3dB
    to 15dBm max when the AP is powered by an 802.3af
    PoE source
    • Maximum (worst-case) power consumption: 14.4W
    (802.3at PoE), 13.6W (802.3af PoE) or 12.7W (DC)
    - Excludes power consumed by external USB device (and
    internal overhead); this could add up to 6.4W (PoE) or
    5.9W (DC) for a 5W/1A USB device
    • Maximum (worst-case) power consumption in idle mode:
    6.4W (PoE) or 5.9W (DC)"

    So I don't really know which one to buy.

    Thanks in advance for your guidance.

    Catalina Videla