Description
Features:
1. Expand USB to 4-channel RS485, allowing each channel to communicate concurrently and independently
2. Onboard TVS (transient voltage suppressor), effectively suppresses surge voltages and transient peak voltages in the circuit, and protects against lightning and static electricity
3. Onboard self-restoring fuse and protection diode ensure stable current/voltage output, provide over-current/over-voltage protection, and improve shock-proof performance
4. Onboard RS485 output terminal 120R resistor, enabled/disabled by DIP switch
5. Aluminum alloy shell, oxidized matte surface, CNC process opening, sturdy and durable, excellent workmanship
Product parameters:
1. Host port: USB
2. Device interface: RS485
3. Baud rate: 1200bps-460800bps
4. USB:
Working voltage: 5V
Connector: USB-B
Protection: 500mA resettable fuse, ESD protection
Transmission distance: about 5m
5.RS485
Connector: screw terminal
Protection: 600W lightning surge protection, 15KV ESD protection
Transmission distance: Maximum communication distance is about 1200m (low speed, turn on 120R resistor)
Transmission method: point-to-multipoint (up to 32 nodes, repeaters are recommended for more than 16 nodes)
6. Temperature: minus 40 degrees Celsius - 85 degrees Celsius
7. Humidity: 5%RH-95%RH
8. Operating system: Win7/8/8.1/10/11, Mac, Linux, Android
9. Product size: 86.2 x 48 x 27.2mm
10. Weight: 181 grams
Packing list:
-USB to 4-way RS485 x1
-USB Type A to Type B cable 1.2m x1
Shipping
Shipping policy
We offer fast and reliable shipping for all our clothing items. Orders are processed within 2-3 business days and shipped via standard delivery, which typically takes 8-25 business days.
Express shipping options are also available at checkout for an additional fee, ensuring your fashion essentials arrive even sooner. For any questions regarding your order, please contact our customer service team for assistance.
Shipping from Chinese Warehouse: | ||
Airmail and register airmail | Area | time |
United States, Canada, Netherlands, Spain, Germany, France, Japan, Republic of Korea, United Kingdom | 7-15 business days | |
Australia ,New Zealand, Singapore |
7-15 business days | |
Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland | 7-20 business days | |
Brazil, Russia, Mexico | 15-35 business days | |
Other countries | 7-25 business days | |
EMS | All countries except those listed below | 6-8 business days |
Brazil and Russia | 10-25 business days | |
Expedited Shipping*(DHL) | 3-7business days to worldwide. | 3-7 business days |
Return & Refund
Refund policy
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
To start a return, you can contact us at support@reluova.com. Please note that returns will need to be sent to the following address:
T8 BLOCK ROOM312,XINGHUA SMART ZOOM,DONG CHENG STREET,DONGGUAN,DONGGUAN,CHINA,523000,+86 137 9069 5247
If your return is accepted, we’ll send you instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return question at support@reluova.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items or gift cards.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
European Union 14 day cooling off period
Notwithstanding the above, if the merchandise is being shipped into the European Union, you have the right to cancel or return your order within 14 days, for any reason and without a justification. As above, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
Provided the conditions in our refund policy have been met, refunds will be processed using the original form of payment. You can return an item purchased online by posting it to us. Please contact customer service for return address. Please note that delivery costs will be excluded from the refund unless goods are returned in accordance with your statutory rights (e.g. they are faulty or not as ordered).
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