I have some PacketFlux 5Ch PDUs. I've found the current measurements to
be fairly accurate. One has an AF24 on it and measures 1020mA, so 49
watts. Others with Exalt ExtendAir G2-11's measuring 490-520mA, so 24-25
watts. And a pair of SAF Lumina 6GHz HP radios both about 825mA = 39.6
watts while the radios themselves say about 870mA and 40.4 watts, so..
close enough. All of these are fed from the regulated output Traco
BCMU360's in 48V mode. I love the 5Ch PDUs + GigE-POE-APCs for +48
backhauls. No fuses to worry about. And slightly higher power than a
typical POE injector will handle.
On 6/30/2017 5:36 PM, Mathew Howard wrote:
Well, I've always measured them from the DC side, so I could see them
going drawing that much from the wall.
Kind of interesting, I was just checking some of ours... I have one
site, where there are two AF-5x plugged being powered from a MikroTik
hEX PoE, so they both have the exact same power source, similar cable
lengths, etc. and one is showing 8.1 watts and the other is 10.5
watts. The interesting thing, is that the one that's drawing more
power actually has less load going through it, and judging from the
MAC address, is also slightly newer. I don't know how accurate those
MikroTiks are at measuring current (wouldn't surprise me if they're
far from accurate), but I would expect them to at least be kinda
consistent.
On Fri, Jun 30, 2017 at 4:50 PM, Eric Kuhnke <[email protected]
<mailto:[email protected]>> wrote:
I really thought I remembered seeing an AF5X about eighteen months
ago, drawing 16-17W from the wall, but I could be wrong or the
watt meter that it was plugged into was grossly inaccurate. This
newer model of kill-a-watt seems to be better.
On Fri, Jun 30, 2017 at 7:29 AM, Mathew Howard
<[email protected] <mailto:[email protected]>> wrote:
Yeah, I think that's pretty consistent with what the AF-5X
radios have always used. The AF5 (not X) and AF24 do use a lot
more power.
On Fri, Jun 30, 2017 at 7:08 AM, Stefan Englhardt
<[email protected] <mailto:[email protected]>> wrote:
Yes. All my AF5X use ~10W. UBNT AC use 6W and older MT 11n
use 3-4W. SAF is 30-35. PTP600 is 50.
On Fri, 30 Jun 2017 12:04:44 +0000
Rory Conaway <[email protected]
<mailto:[email protected]>> wrote:
I think you are thinking of the AF24 which cranks 50W
all the time.
Rory
From: Af [mailto:[email protected]
<mailto:[email protected]>] On Behalf Of Eric Kuhnke
Sent: Thursday, June 29, 2017 6:43 PM
To: [email protected] <mailto:[email protected]>
Subject: [AFMUG] New AF5X using less power than older
board revisions?
Provisioning a new AF5X link here on their AC PoE
injectors before they go out to the field. Something
interesting I've noticed, and maybe I'm not
remembering right, but it seems that the newer AF5X
use less power than the older ones.
This unit with its ubnt default PoE injector plugged
into a kill-a-watt is measuring 11 watts. There's no
traffic going through it, but as I recall an AF5X uses
pretty much the same amount whether or not it's under
load, since the AF architecture is constantly
sending/receiving frames whether or not they have an
ethernet data payload.
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