WISP Switch Compatibility with Aviat Microwave

JacobD5501
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WISP Switch Compatibility with Aviat Microwave

Thu Oct 16, 2025 2:56 pm

Can someone chime on in the POE compatibility of the WS-12-250-DC switch with an AVIAT WTM 4100 microwave?

I am a little confused about the POE specs on the WS-12-25-DC

The Aviat states that it needs "+/-20 to +/-57V & 802.3bt PoE" which I understand to be PoE++

This is directly from the AVIAT WTM 4000 specsheet:

DC power supply input -24/-48 Vdc (SELV) wide-mouth WTM 4100, 4200 (13-42 GHz) ±24, ±48 Vdc WTM 4200 (4-11 GHz), WTM 4500 ±48 Vdc

Input voltage -20 to -57 V -40 to -57 V WTM 4100/ 4200 13-42 GHz WTM 4200 5-11 GHz, WTM 4500
Power over Ethernet PoE++ (proprietary)
Power consumption WTM 4100 50 W nominal, 65 W maximum

I would like to purchase these switches going forward for our microwave and radio racks at radio sites as I have had a hard time finding 12vdc powered switches that check all the boxes.

Any help would be greatly appreciated!

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sirhc
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Re: WISP Switch Compatibility with Aviat Microwave

Fri Oct 17, 2025 5:27 pm

Simply read this and read your device poe requiremenrs

viewtopic.php?f=6&t=1178
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