ROCK Pi 4B PoE HAT and sample give away

#1

Hi community

We are very happy to announce that, we have make the ROCK Pi PoE HAT samples now and it proves working! Here is what it looks like.

IMG_1908
IMG_1908.jpeg5184×3456 1.22 MB

The top surface
IMG_1909
IMG_1909.jpeg5184×3456 664 KB

The bottom surface
IMG_1910
IMG_1910.jpeg5184×3456 1.2 MB

IMG_1911
IMG_1911.jpeg5184×3456 736 KB

With ROCK Pi 4B
IMG_1912
IMG_1912.jpeg5184×3456 795 KB

With RPi 3B+
IMG_1913
IMG_1913.jpeg5184×3456 1.13 MB

3 Likes
#2

Hi, Community

We welcome developers to test the PoE module, to apply the free sample of PoE module, following requirements should be met:

  • Owner of ROCK Pi 4B or Raspberry Pi 3B+
  • Having access to networking devices supporting PoE, 802.11 AF or AT
  • Basic hardware knowledge, can measure the voltage, power consumption etc

We expect the tester with the following result:

  • Brand/model of the PoE provider device
  • Working status
  • Power consumption measured

To apply the free sample, just reply this topic with a brief introduction of yourself and how do you plan to test it. For the result, just edit your post afterwards to add your conclusion.

1 Like
#3

Hi, there,
Here is my application for ROCKPi POE HAT sample. I do own a ROCKPI 4B from allnetchina Taobao store, and a 10Ports PoE D-Link switch. And I have tools for measure voltage power consumption and etc.
Generally I spend a lot my spare time on OpenWRT on my several WRT1900s, and together with a Espressobin networking SBC. I did some bcache fs for my Espressobin with SSD and USB3 attached disk, and also cryptodev with inside-secure safeexcel.
Hope I can play with PoE HAT.

Thanks!
TaNGSoFT

PoE HAT arrived at 2019/01/10
First trying out:
The port 1 to port 8 can be set a power limit between 1W and 30W. Max power used by PSE: Class 1: 4W, Class 2: 7W, Class 3: 15.4W, Class 4: 30W.

Port State Time Range Priority Delay Power Detect Power Limit Power (W) Voltage(V) Current(mA) Classification Status
4 Enabled N/A Normal Disabled Auto 0.0 0.0 0.0 Class 4 Overload

with default PoE port settings, it is saying PSE class4, but overload. board Power LED is slowly flashing, and can not boot up.

So I manually set the port power limit to 30W, it is booting up without problem.
4 Enabled N/A Normal Disabled 30.0 4.5 53.8 84.0 30.0 (User Defined) POWER ON

From what I observed, the initial booting up watt is between 15-20watt.

PS. I have ordered m2 extender board and heatsink, if I try to mount them together, the m2 extend cable is a little short. And the screw cylinders are not compatible too.

image
55B66AB9-4AD5-4A32-892E-A3CEEA8B1E77.jpeg3024×4032 3.34 MB

1 Like
#4

Hi,
I would like to get sample of rockpi 4b and also poe.
I can do the review of that and also report the issues.

Thnaks a lot
Petr

#5

Hi,
I own 4 rockpi 4b that i am testing in my opencv kubernetes cluster,
i have a BLY-SFP2G4FEP1000M 5 port poe switch
i own tools to mesure voltage comsumtion.
I have been tickering with the raspberry pi and Arduino for the past 2 years.
I work as a Unix/HL7 inetrface tech support and integrator

tnanks
Pierre

1 Like
#6

Hy,

I got the rockpi 4b a while back and have been tinkering with it, for a while now.
I have plenty of experience with measuring values, since if been working with arduino, raspberry and other µ controllers for at least 1.5 years.

I have a couple Networking devices that are capable off PoE, once I decided which one to use I’ll post detailed information regarding setup, measured data and results.

#7

I have a Raspi 3B+ and will be getting a Rock Pi 4B soon.
My PoE switch is a Ubiquiti 8 port switch

#8

Question, can i put a y connector to used the GPOI at the same time as the PoE Hat?

#9

Yes, you can. The PoE Hat only uses the 4 PoE header and 5V pins on 40pin GPIO header. The rest signals are empty. Maybe we should export them as well…

#10

We have collected enough applications.

Thanks @tangsoft @Pierre @Roggerson @dcplaya for helping us testing the PoE HAT. We will ship the sample to you. Please send a private message to @radxa of your shipping address and contact phone number. @radxa will send you the tracking info after the shipment.

#11

Hmm…Seems like I either can’t send private messages to anyone or just to @radxa or @jack. Forums are saying I do not have permission to send the message.

#12

Hi, that’s because you are new to the forum :slight_smile:

Check: https://blog.discourse.org/2018/06/understanding-discourse-trust-levels/

Trust Level 1 — Basic

can send PMs.

Never mind, I have asked the site admin to change your trust level to Level 1. You can send the PM now.

#14

Is this PoE HAT still on testing phase?

#15

Well, the PoE is working fine, the biggest issue is the HEAT!! From our test, running at 5V/4.5A, which is 22.5W, the temperature is reaching 100 degree! Apparently we need heatsink and fan for this. we need a re-layout design to get it usable for normal users.

1 Like
#16

What is the voltage for the USB C power connector, the RockPI power adapter has a 5v, 9v and 12v rating.

Is it safe to provide 12v 1.5a to the USB C port?

Is there less heat that way?

#17