Problems with ePMP1000 on WS-12-DC
Posted: Tue Feb 28, 2017 8:09 pm
by jacobs
I have a switch that cannot power ePMP1000 however it is having no problems powering UBNT devices. I have no problems with the AC version powering ePMP1000s, is this a known issue or could it be faulty equipment?
Re: Problems with ePMP1000 on WS-12-DC
Posted: Tue Feb 28, 2017 8:26 pm
by sirhc
viewtopic.php?f=6&t=1215&p=15944&hilit=epmp+1000#p15944viewtopic.php?f=6&t=1215&p=15905&hilit=epmp+1000#p15905viewtopic.php?f=6&t=1690&p=14660&hilit=epmp+1000#p14660viewtopic.php?f=6&t=1177&p=8789&hilit=epmp+1000#p8789viewtopic.php?f=6&t=1178
Question: Can I power this device with Netonix.
Answer: Our switches are "passive" POE which means if POE is enabled on a port the power is live so if you plug in a cable that is shorted or the piece of equipment is bad or has an incompatible polarity PIN OUT you will damage the port in the switch and probably the equipment, this damage is not covered under warranty.
There are 4 Pairs and 8 PINs in an Ethernet Cable:
Pair 1: White Orange.(PIN 1 ) & Orange.(PIN 2) is POSITIVE
Pair 2: White Green...(PIN 3) & Green...(PIN 6) is NEGATIVE
Pair 3: White Blue.....(PIN 4) & Blue.....(PIN 5) is POSITIVE
Pair 4: White Brown..(PIN 7) & Brown...(PIN 8) is NEGATIVE
24V POE Option @ .75A - constant draw can surge/spike to 1A:
802.3af/at MODE B
Pair 3 / PINs 4, 5 are POSITIVE
Pair 2 & 4 / PINs 3, 6, 7, 8 are NEGATIVE
48V POE Option @.75A - constant draw can surge/spike to 1A:
802.3af/at MODE B
You would use this option to power most 802.3af/at devices like IP Phones and Cameras
Pair 3 / PINs 4, 5 are POSITIVE
Pair 2 & 4 / PINs 3, 6, 7, 8 are NEGATIVE
24VH POE Option @1.5A - constant draw can surge/spike to 2A:
802.3af/at MODE A & MODE B combined
Pair 1 & 3 / PINs 1, 2, 4, 5 are POSITIVE
Pair 2 & 4 / PINs 3, 6, 7, 8 are NEGATIVE
48VH POE Option @1.5A - constant draw can surge/spike to 2A:
802.3af/at MODE A & MODE B combined
Pair 1 & 3 / PINs 1, 2, 4, 5 are POSITIVE
Pair 2 & 4 / PINs 3, 6, 7, 8 are NEGATIVE
So now that you know what the PIN OUT is (which is in our Spec Sheet on page 17 and in the product description on our web store) all you need to do is look at the spec sheet from your device and see which POE option you can use.
If they do not specify the PIN OUT polarity break out a multi-meter and but one end off of a patch cable and strip the wires and figure it out on your own.
Also if they have a bridge rectifier circuit like MIMOSA the device will swap the polarity the way it wants it.
WARNING - If your equipment is not specifically designed to accept power on all 4 Pairs do NOT use a VH POE option.