1 ： Gigabit Ethernet port, used to connect the sending card or receiving card, the same two network ports are interchangeable,
2 ： Power interface, can be accessed with 4.5V ~ 5.5V DC voltage；
3 ： Work indicator, D1 flashes to indicate that the control card is running normally; D2 flashes quickly to indicate that Gigabit has been recognized and data is being received.
4 ： Test button,used to test display brightness uniformity and display module flatness.
5 ： External indicator light, run light and data light,
6 ： HUB75Eport, connect to the modules.

HUIDU HD-R516 Video LED Screen Full Color Receiving Card Parameter:

Fit for sender	A4、 A5、 A6、 A601、 A602、 A603 dual mode player； A3、 A30、 A30+、 C10、 C10C、 C30、 C15、 C15C、 C35、 C35C Asynchronous controller； T901、 T901B、 T901S synchronous controller； VP210、 VP410 video processor.
Module type	Compatible with all common IC module, supported most PWM IC module.
Scan mode	Supports any scanning method from static to 1/64 scan
Communicatio n method	Gigabit Ethernet
Control range	Recommend： 256*512 pixels Outdoor module width ≤256, Indoor module width ≤128
Multi-card connection	Receiving card can be put in any sequence.
Gray scale	256~65536
Smart setting	A few simple steps to complete the smart settings, through the screen layout can be set to go with any alignment of the screen unit board
Test functions	Receiving card integrated screen test function,Test display brightness uniformity and display module flatness.
Communicatio n distance	Super Cat5,Cat6 network cable within 146 meters
Port	5V DC Power2,1Gbps Ethernet port2, HUB75E*16
Input voltage	4V-6V
Working temperature	-40℃~85℃

1. Each items not including shipping cost. You can check the shipping cost after you add the goods in the shopping cart.

2. DHL express is the default method. Others express like UPS or Fedex will be adopted only when DHL is not available or not suitable at the destination; If you would like to ship the goods by sea or by air, please contact us in advance.

3. We will ship your order within 2 working days upon receiving payment. We will re-inform you another fastest delivery date if the goods is out of stock.

4. We only ship to the confirmed address from your order information. Please do confirm the delivery address on your account when you pay by PayPal or Credit Card.

5. Shipment time is depends on the carrier and excludes weekends and holidays. Transit time may slow, particularly during the holiday season.

6. Please inform us in advance if you wanna declare lower value on the shipping invoice in order to avoid or minimize the customs tax on your side. If not, we will use the orginal amount as paid.

7. If required, please assist the courier for necessary assistance concerning the customs clearance of the goods locally.

8. Please check the items in front of the courier when they arrive. If the goods are damaged, please try to obtain local courier’s documentary evidence for the breakage, In the meantime, please email us with photos or videos of the packaging and products as soon as possible.

9. If you have not received your shipment within 15 days since payment date, please contact us. We will track the shipment and get back to you ASAP.

10. The products ordered will not enjoy return and warranty if their codes are ripped off.

11. We provide two years warranty for most of our products sold (special terms are subject to final Proforma Invoice.). If there are any defects under normal use during this period, we will fix or replace for free at our factory. Customers only responsible for turn back shipping cost.

Why Buy from us?

1.Strong technical background. we are a professional LED screen manufacturer in Shenzhen China. our engineers are well experienced in all kinds of LED controller card configuration and operation and producing and using LED screens.

2.No MOQ request on all our products. You can buy even one sample to test our products before placing bulk orders.Many other suppliers have strict MOQ request,which is not convenient for buyers.

3.Quick and safe payment. You can pay by credit card through Paypal, which offers complete buyer protection and avoids having to share any of your financial information.

4.Good quality control. Our technicians inspect all the products earnestly before packaging.

5.Long warranty period. All LED controller products you buy from ledpartsmall.com are under two years warranty. You can send the defective products back to us for repair during the warranty period, and we will repair them and send back to you. The shipping cost is afforded by sender.

6. Good support from our English-speaking engineers. Before and after sales 7/24, you can get full support from our engineers, we are proficient in English.