This is the BCM48A. We are driving it with the TSP 600 power supply.
The BCM does have a 12.5amp fuse, and there's a jumper you set for a
current limit.....I can't remember now if it's a charging or load limit.
If you short the battery circuit you'll pop the fuse, so there's at
least that for a limit, and I assume the fuse would apply to both
charging and load current.
I might just have gotten unlucky and had a few bad ones I guess. They
were all bought at the same time.
------ Original Message ------
From: "George Skorup" <[email protected]>
To: [email protected]
Sent: 10/24/2017 2:18:43 PM
Subject: Re: [AFMUG] Baicells power and data connectivity
Sounds like something's up with the transfer relay, or the coil. I do
not like the regular BCMs at all. My testing showed there's no charging
current limit. Big enough power supply and enough time, yeah, the relay
contacts could have melted away. I think the regular BCM48 is rated
10A. The BCM48A maybe 20A? I put a new set of batteries on a BCM48 and
TSP-360 and it was pulling well over 10A, out of a 7.5A supply which
I'm pretty sure nuked that supply since I could smell it cooking. And
those are not cheap.
I've had zero issues with the BCMU360.
On 10/24/2017 12:57 PM, Adam Moffett wrote:
I've had a few of those BCM48's have the battery light turn off and
stop charging batteries.
I have no idea what causes it. I know it's not the fuse and power
cycle doesn't fix it. In all cases the batteries tested fine, but a
new BCM works.
------ Original Message ------
From: "George Skorup" <[email protected]>
To: [email protected]
Sent: 10/24/2017 1:33:54 PM
Subject: Re: [AFMUG] Baicells power and data connectivity
Traco BCMU. PacketFlux 5ch PDU. Current limit conservatively at
1500mA, could probably drop it to 1000. Each eNB pulls about 650 @
regulated 48VDC.
New stuff, especially when the new eNB comes out, my plan is to start
using a real rectifier, DC and fiber to any radio I get it to. The
cool thing is the eNBs are floating, so -48 works fine.
Then I hope Forrest can do a -48 5ch PDU card for the RackInjector.
And also maybe generate 1588v2 PTP out of the controller so I can
feed a switch to feed the radios. #dreams
On 10/24/2017 9:38 AM, Mathew Howard wrote:
I'd assume he's just stripping the wires in the cat5 and wiring it
directly in... at least that's what I'd do. Of course using a
GigE-POE-APC would work, and it would get you surge suppression on
the DC line, but I'm thinking it would probably make more sense to
use a DCSS-APC instead.
On Tue, Oct 24, 2017 at 8:58 AM, Josh Baird <[email protected]>
wrote:
Thanks for the replies everyone. Standard DC terminals and SFP's
would be nice so we could use something like DFP-1246.
George - what are you using to inject the power into the CAT5 at
the bottom? A PowerInjector or a GigE-POE-APC?
On Tue, Oct 24, 2017 at 1:52 AM, Forrest Christian (List Account)
<[email protected]> wrote:
In addition to what everyone else suggested, you should be able to
power these with either a powerinjector+sync (4 ports), or a
rackinjector with the standard injection card with standard CAT5.
-forrest
On Mon, Oct 23, 2017 at 7:36 PM, Josh Baird <[email protected]>
wrote:
Those of you who have Baicells deployed, how are you powering the
base station?
Are you running something like 14/2 up the tower and providing
-/+48VDC directly?
Ugh - I thought the eNB had SFP's, but it looks like I need to
provide data over CAT5/6?
--
Forrest Christian CEO, PacketFlux Technologies, Inc.
Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT
59602
<https://maps.google.com/?q=3577+Countryside+Road,+Helena,+MT+59602&entry=gmail&source=g>
[email protected] | http://www.packetflux.com
<http://www.packetflux.com/>
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