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1. Huidu R502 LED Display Cascading Receiving Card 256x256 Features: HD-R502 no need HUB, and been have 16PORT HUB75B. Functions same
2. Huidu R502 LED Display Cascading Receiving Card 256x256 Mainly parameter：
Used in Sending card HD-A601/602/603 Series, HD-C10/C30series,
Suitable Modules types
Indoor & outdoor full-color & single/dual color module
Support MBI5041/5042、MBI5050、MY9221、MY9268 etc PWM
Static, 1-32 scan randomly
1pcs of receiving card support areas
Outdoor: 256W*256H Indoor: 512W*128H
The highest height is 512H.The longest width 512W
Receiving cards sequence
Sequence randomly, and it can recognize the sequence by software or set up sequence by hand.
Receiving card connected speed by nanoseconds
Smart set by few simple steps, through display routine setting ,it could suit almost different PCB routine
Play video、animation、picture、text、excel、PPT、time、counter etc
It have self test button, could test modes of red、green、blue、white、gray、oblique line、grid、spots etc
150m use CAT5E OR CAT6 Cable (From Sending card to Receiving card)
2pin 5V Power x1,Gigabit portX2，75B HUB portx16
3. Connected ways（Here used HD-A602 Sending card）
4. Data interface description:
①：Power Port: 4V-6V
②：Gigabit Port: Connected sending card HD-A601/602/603 or HD-C10/C30/or HD-A30/A30+ etc.
Two Ports is same
③：Testing button: after adjusted display working normal, then press by sequence, it come out color red 、green、blue、white、slash.(Note: just software saved parameter same with display screen, and pull out the Network cable, Then press the testing button is affective)
④：Light D1 normal status is flicker, showed controller working normal；
Light D2 normal status is flicker fast, showed recognized the Gigabit and receiving data.
⑤：16 PORT of HUB75B: Connected LED module Port.
1. Unit prices of the items don’t include shipping cost. You can check the shipping cost on the shopping cart page after you choose the item quantity and the destination.
2. DHL express is the default method. Others like EMS, UPS, FedEX and TNT 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 for details.
3. We will proceed with 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 for the order. So your address must match the shipping address. Please do confirm the delivery address on your account when you pay by PayPal or Credit Card.
5. Transit time of shipment is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season.
6. Please inform us if you want to declare lower value on the shipping invoice in order to avoid or minimize the customs duties on your side. If not, we will use the actual 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, at 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 quality warranty of two years 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 are responsible for shipping.