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Topic: FutureBit Moonlander 2 USB Hubs Thread - page 7. (Read 4280 times)

newbie
Activity: 32
Merit: 0
December 05, 2017, 12:35:28 PM
#32
ok yep thanks - I can see from the specs:

The Sipolar A223
http://www.sipolar.com/page172.html?product_id=166
Quote: "Rated Output 5V 2100mA"

Where the Sipolar A200:
https://www.aliexpress.com/store/product/USB-2-0-20-Port-Industrial-High-Power-Charger-Hub/1938705_32641188575.html
Quote: "Rated Output:5V 650mA"

Oh well - none of them are any good i think Sad

I've seen this one mentioned on this forum (but not sure about Moonlander 2) which i might go for:

Plugable USB3-HUB7BC
https://plugable.com/products/usb3-hub7bc/
PSU: 12V, 5A
Quote from link : "USB over-current protection supporting up to 900mA per port (up to 1.5A for BC 1.2 devices)"

I'm also running the sipolar A-223, it works well when filled with 12 moonlanders.  According to the spec sheet it should a moonlander in every port if you run the moonlander at 5w.  Granted you would be running at the upper limit of the included power supply, so 12 is a good amount with a decent amount of overhead.
newbie
Activity: 73
Merit: 0
December 03, 2017, 02:52:13 PM
#31
Thought I would share this one.  Relatively cheap if it works as advertised.  7 ports, 4amps, I figure you can get 4 moonlanders on it using alternating ports.

Now I just need a few moonlanders 😭

I'll post some feedback once I use it.
full member
Activity: 169
Merit: 100
December 03, 2017, 05:20:37 AM
#30
I couldn't get one Sad I really wanted to play with the damn thing but they were sold out so fast.
newbie
Activity: 42
Merit: 0
December 03, 2017, 05:15:03 AM
#29
My first moonlander 2 just turned up ! Smiley all working. This is a picture of my setup:

https://imgur.com/a/U68EH

Consists of:

1) Raspberry PI 3 with official Rapsberry PI 3 power supply
2) Cheap USB 2.0 7 port hub - Pluscom Model u7PH-3A (not using the power supply as the Pi seems to be enough for this) cascaded into:
3) Plugable USB 3.0 7 port Hub (inc 12V 5A 60w psu) - Model: USB3-HUB7BC

3 more are in the post in the way so will be testing more plugged into the same when i can (going to try and do 7x all at the time time via extension cables)

Been running now for about an hour now litecoinpool reporting hashing at 3,498kH/s (so far so good!)

Boom! Smiley
newbie
Activity: 1
Merit: 0
December 01, 2017, 12:26:48 PM
#28
Hello guys

Today I ordered one Moonlander 2 Stick. Now I am looking for a suitable usb hub to run it in combination with a Raspberry Pi 3.
Since I am going to run only one Moonlander 2 is this hub possible to use?
https://www.amazon.de/Plugable-Schnellladeger%C3%A4t-Netzteil-Aufladefunktion-Windows/dp/B00BMGP0RE/ref=sr_1_6?s=computers&ie=UTF8&qid=1512147062&sr=1-6&keywords=usb+hub+plugable

Or is there a better option to run 1 Stick?
Thanks a lot.
newbie
Activity: 5
Merit: 0
November 30, 2017, 04:49:53 AM
#27
Update - I got this email from pluggable support about their 7 port usb 2 / usb 3 hubs:

Quote
Thanks for asking. The person in that forum is correct, there are three 12 to 5V buck converters that all share the same incoming 12V from the power adapter on both our USB2 and USB3 "HUB7BC" models.

We've done load tests drawing nearly the full 60W the power adapter is rated for spread across all ports (about 1.5A per port) and did not have any issues for normal USB devices, but depending how much power these miners each pull under load and when overclocked, I suspect that three on one buck converter might be an issue as the poster in the forum ran into.

 However, there will be some efficiency loss in the 12 to 5 step down and also as the load increases you will in turn run into some voltage drop which is what I suspect was the issue. The miners probably can't tolerate lower voltage, especially when overclocked.

I can't think of a reason why our hub could only power three, from our testing I'd expect if you got a hub, perhaps 5, maybe 6 would be OK running 24/7 at maximum load. But this is all pretty out of the normal use case scenarios for our hubs.

I know this isn't a perfect answer, but perhaps try a hub out and worst case if it doesn't work for your needs we can offer a return for a full refund. For all we know maybe that person had a defective hub, it's rare but does occasionally happen!

Anyone able to try 7x moonlander 2 on one of these hubs ?


Okay... so this line
Quote
If you were to split all 7 ports up equally and assuming 100% efficiency you could in theory draw about 1.71A per port.
... makes me wonder if your were only running two on the hub could you actually see higher than the 1.5A?

Is this shot down by a max on the voltage regulators?
newbie
Activity: 5
Merit: 0
November 30, 2017, 04:14:22 AM
#26

Anyone able to try 7x moonlander 2 on one of these hubs ?

Just to help out, I did a test for you.

https://i.imgur.com/h2O1J21.jpg

You can't fit 7 in one anyway, since the fans stick out.

So what kind of power/hashrate were you able to pull?

legendary
Activity: 2174
Merit: 1401
November 27, 2017, 08:54:00 PM
#25
Awesome, I wonder though if 4x usb extension cables could be used on the unused ports?

That one I can't help much with - don't have an extra extension cables to try.

Yes, extension cables should work fine, as long as they are under a foot or so.
full member
Activity: 658
Merit: 118
November 27, 2017, 06:25:20 PM
#24
Awesome, I wonder though if 4x usb extension cables could be used on the unused ports?

That one I can't help much with - don't have an extra extension cables to try.
newbie
Activity: 42
Merit: 0
November 27, 2017, 06:20:58 PM
#23
Awesome, I wonder though if 4x usb extension cables could be used on the unused ports?
full member
Activity: 658
Merit: 118
November 27, 2017, 06:19:07 PM
#22

Anyone able to try 7x moonlander 2 on one of these hubs ?

Just to help out, I did a test for you.



You can't fit 7 in one anyway, since the fans stick out.
newbie
Activity: 42
Merit: 0
November 27, 2017, 06:01:38 PM
#21
Update - I got this email from pluggable support about their 7 port usb 2 / usb 3 hubs:

Quote
Thanks for asking. The person in that forum is correct, there are three 12 to 5V buck converters that all share the same incoming 12V from the power adapter on both our USB2 and USB3 "HUB7BC" models.

We've done load tests drawing nearly the full 60W the power adapter is rated for spread across all ports (about 1.5A per port) and did not have any issues for normal USB devices, but depending how much power these miners each pull under load and when overclocked, I suspect that three on one buck converter might be an issue as the poster in the forum ran into.

If you were to split all 7 ports up equally and assuming 100% efficiency you could in theory draw about 1.71A per port. However, there will be some efficiency loss in the 12 to 5 step down and also as the load increases you will in turn run into some voltage drop which is what I suspect was the issue. The miners probably can't tolerate lower voltage, especially when overclocked.

I can't think of a reason why our hub could only power three, from our testing I'd expect if you got a hub, perhaps 5, maybe 6 would be OK running 24/7 at maximum load. But this is all pretty out of the normal use case scenarios for our hubs.

I know this isn't a perfect answer, but perhaps try a hub out and worst case if it doesn't work for your needs we can offer a return for a full refund. For all we know maybe that person had a defective hub, it's rare but does occasionally happen!

Anyone able to try 7x moonlander 2 on one of these hubs ?
newbie
Activity: 42
Merit: 0
November 27, 2017, 04:31:56 PM
#20
ok thanks, i'll work my way though that thread when i have a few hours free Wink

My point still stands though, the manufactuer says:

Quote
...the supplied power adapter delivers 12A of available current across all USB ports which leaves us 1.5A left over (7 * 1.5A = 10.5A).

and if their product doesn't do that then this is bang out order.  I've sent plugable an email and asked this question about both the USB2 and USB3 7 port versions of their hubs (and also sent them a link to this thread / discussion).

I saw/ordered one of the USB 3 7 port versions on ebay going cheap - at least i'll be able to get 3x working for now Smiley
full member
Activity: 658
Merit: 118
November 27, 2017, 01:57:33 PM
#19
ok - thats a shame and a bit naughty if it does (not saying you're wrong) but their web site (for both USB 2.0 and USB 3.0) hubs says:

Quote
Q: Can the hub support 7 devices which charge at the full BC 1.2 CDP 1.5A rate?
A: Yes, the supplied power adapter delivers 12A of available current across all USB ports which leaves us 1.5A left over (7 * 1.5A = 10.5A). Non BC 1.2 devices max out at only 500mA per the USB 2.0 specification leaving ample power for every port to be used at the same time.

Sad

Each set of ports can get up 1.5amp, I believe.

Port 1,2
Port 3 ,4
Port 5,6,7

Its been a while since I read the Sidehack USB thread linked in the first post, where they did this testing

(Edit: comment is here: https://bitcointalksearch.org/topic/m.17921042 )
newbie
Activity: 42
Merit: 0
November 27, 2017, 01:52:25 PM
#18
ok - thats a shame and a bit naughty if it does (not saying you're wrong) but their web site (for both USB 2.0 and USB 3.0) hubs says:

Quote
Q: Can the hub support 7 devices which charge at the full BC 1.2 CDP 1.5A rate?
A: Yes, the supplied power adapter delivers 12A of available current across all USB ports which leaves us 1.5A left over (7 * 1.5A = 10.5A). Non BC 1.2 devices max out at only 500mA per the USB 2.0 specification leaving ample power for every port to be used at the same time.

Sad
full member
Activity: 658
Merit: 118
November 27, 2017, 01:48:41 PM
#17
So been thinking about these "pluggable" ones and noticed this comment:

.......
Budget Hub for 3 or fewer Moonlanders
Pluggable USB hub - https://www.amazon.com/gp/product/B00L2LK164
These have 3 voltage regulators that are shared by the ports next to each other, so you can only run at max 3 of the Moonlanders. Put one on port 1, port 4, and port 7.
.......

So - Has anyone tried to connect 7 moonlander to either of these hubs?  I know they might have space issues but i'm sure a mini USB extension cable like this one could fix that:
https://www.ebay.co.uk/itm/USB-3-0-Angle-90-Degree-Extension-Cable-Male-to-Female-Adapter-Cord-length-20cm/372061915159?hash=item56a09e4817:m:mthDKeekyOy4PZktBWEZgtA

Plus do these Moonlander 2 devices "fool" the hub into thinking that they are a BC 1.2 device:
https://www.maximintegrated.com/en/app-notes/index.mvp/id/5801
if they do - just need to look for a BC 1.2 compatible hub, yes ?

You can only connect 3 moonlanders to the pluggables. They have 3 voltage regulators that limit the amperage to the ports driven by each one. 7 won't work.
newbie
Activity: 42
Merit: 0
November 27, 2017, 01:46:20 PM
#16
So been thinking about these "pluggable" ones and noticed this comment:

.......
Budget Hub for 3 or fewer Moonlanders
Pluggable USB hub - https://www.amazon.com/gp/product/B00L2LK164
These have 3 voltage regulators that are shared by the ports next to each other, so you can only run at max 3 of the Moonlanders. Put one on port 1, port 4, and port 7.
.......

There seems to be two types going (1st one is the one linked above):

PLUGABLE USB 2.0 7-PORT HUB WITH 60W POWER ADAPTER
Model: usb2-hub7bc
https://plugable.com/products/usb2-hub7bc/
Quote from link:
Quote
- Fast Charging only with BC 1.2 compatible devices like Apple iPads and iPhones with lightning connector
- Because only some devices support BC 1.2, check compatibility list below before purchase
- Some of those mobile devices have adopted proprietary mechanisms to draw more power than USB 2.0 was designed to allow, which has caused confusion about charging.  That is being solved by the Battery Charging (BC 1.2) Standard – when both the device and the hub/charger are BC Standard compliant, it can charge at a faster rate (up to 1.5A) in a standard way.
Quote from the FAQ:
Q: Can the hub support 7 devices which charge at the full BC 1.2 CDP 1.5A rate?
A: Yes, the supplied power adapter delivers 12A of available current across all USB ports which leaves us 1.5A left over (7 * 1.5A = 10.5A). Non BC 1.2 devices max out at only 500mA per the USB 2.0 specification leaving ample power for every port to be used at the same time.

USB 3.0 7-PORT CHARGING HUB WITH 60W POWER ADAPTER
Model: usb3-hub7bc
https://plugable.com/products/usb3-hub7bc/
Quote from link:
Quote
- Some of those mobile devices have adopted proprietary mechanisms to draw more power than USB 3.0 was designed to allow, which has caused confusion about charging. That is being solved by the Battery Charging (BC 1.2) Standard – when both the device and the hub/charger are BC Standard compliant, it can charge at a faster rate (up to 1.5A) in a standard way.
Q: Can the hub support 7 devices which charge at the full BC 1.2 CDP 1.5A rate?
A: Yes, the supplied power adapter delivers 12A of available current across all USB ports which leaves us 1.5A left over (7 * 1.5A = 10.5A). Non BC 1.2 devices max out at only 500mA per the USB 2.0 specification leaving ample power for every port to be used at the same time.

So - Has anyone tried to connect 7 moonlander to either of these hubs?  I know they might have space issues but i'm sure a mini USB extension cable like this one could fix that:
https://www.ebay.co.uk/itm/USB-3-0-Angle-90-Degree-Extension-Cable-Male-to-Female-Adapter-Cord-length-20cm/372061915159?hash=item56a09e4817:m:mthDKeekyOy4PZktBWEZgtA

Plus do these Moonlander 2 devices "fool" the hub into thinking that they are a BC 1.2 device:
https://www.maximintegrated.com/en/app-notes/index.mvp/id/5801
if they do - just need to look for a BC 1.2 compatible hub, yes ?
newbie
Activity: 42
Merit: 0
November 27, 2017, 01:12:50 PM
#15
ok yep thanks - I can see from the specs:

The Sipolar A223
http://www.sipolar.com/page172.html?product_id=166
Quote: "Rated Output 5V 2100mA"

Where the Sipolar A200:
https://www.aliexpress.com/store/product/USB-2-0-20-Port-Industrial-High-Power-Charger-Hub/1938705_32641188575.html
Quote: "Rated Output:5V 650mA"

Oh well - none of them are any good i think Sad

I've seen this one mentioned on this forum (but not sure about Moonlander 2) which i might go for:

Plugable USB3-HUB7BC
https://plugable.com/products/usb3-hub7bc/
PSU: 12V, 5A
Quote from link : "USB over-current protection supporting up to 900mA per port (up to 1.5A for BC 1.2 devices)"
full member
Activity: 658
Merit: 118
November 27, 2017, 12:49:26 PM
#14
I have a few hubs that I'm going to try using (don't have any miners yet), any ideas if these will work:

Belkin F4U041
http://www.belkin.com/uk/p/P-F4U041/
PSU: 5v 4A

Sipolar A200 20 Port USB hub
http://www.sipolar.com/page172.html?product_id=14
PSU: 20v 4.5A

Anker® USB 3.0 9-Port Hub
https://www.anker.com/products/variant/USB-3.0-SuperSpeed-10-Port-Hub-/68ANHUB-B10A
PSU: 12v 4A

I'm not sure if any of these will be any good, think the ports are limited to around 1amp Sad

Anyone comment with any success stories with any of these & Moonlander?

The Sipolar A223 will definitely work. I have 12 moonlanders running on that. Not sure about the A200.

The A223 has 5V 40A, so 2amp per port. Don't think any of these will reliably run more than 2 miners.


newbie
Activity: 42
Merit: 0
November 27, 2017, 12:46:47 PM
#13
I have a few hubs that I'm going to try using (don't have any miners yet), any ideas if these will work:

Belkin F4U041
http://www.belkin.com/uk/p/P-F4U041/
PSU: 5v 4A

Sipolar A200 20 Port USB hub
http://www.sipolar.com/page172.html?product_id=14
PSU: 20v 4.5A

Anker® USB 3.0 9-Port Hub
https://www.anker.com/products/variant/USB-3.0-SuperSpeed-10-Port-Hub-/68ANHUB-B10A
PSU: 12v 4A

I'm not sure if any of these will be any good, think the ports are limited to around 1amp Sad

Anyone comment with any success stories with any of these & Moonlander?
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