Customer Service: tom.zhan@primeda-telecom.com
Factory price,No Minimum Purchase





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Estimated standard delivery time 7-12 days. Express 5-7 days
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We have huge stock for regular items,Normally we can ship within 1-2 work days upon we confirmed your order. For custom made items, regular lead time 3-5 work days.
Description:
the unit is a RS-485 interface fiber MODEM with asynchronous transmission half-duplex transparent protocol, which is the best for connecting remote terminal unit (RTU) to host (HOST) or distributed data acquisition system (SCADA) controller select. The product uses optical fiber as the transmission medium to improve the transmission performance of the system and effectively avoid the threats to communication equipment such as lightning strikes, surges and electromagnetic interference in harsh environments.
Feature:
Extend your RS-485 data: 1 bidirectional RS-485 over an optical fiber cable to far end, Long transmission distance, Singlemode fiber 0-20 km(12.4miles) and compatible with Multimode fiber 0-500m(0.31miles).
Suitable for Access control system, Alarming control system, Industrial automatic control, LED screen control and Parking lot, etc.
Zero-latency automatic forwarding, Automatically detect serial port rate, distinguish and control data transmission direction.Maximum communication rate 500Kbps. The interface provides 600W surge protection, 15KV electrostatic protection.
SC connector for fiber optical port, Green connector for RS-485 port(pin 1+, 2-). LEDs for power supply and optical fiber link, data status indication can monitor the operating status of the system.
Simple to Install, Plug and Play.

Specification:
1.Complies with EIA RS-485 standard.
2.RS-485 signal T+ T- (corresponding to industrial terminal pin 1+, 2-)
3.Working mode Asynchronous work, point to point.
4.Direction control adopts data flow automatic control technology to automatically determine and control the data transmission direction.
5.Baud rate 0-120Kbps, automatic detection of signal rate.
6.Fiber wavelength Multimode 850nm, single mode 1310nm.
7.Electrical port transmission distance RS-485 port 200 meters max.
8.Transmission distance 0-500meters for multi-mode, 0-20kilometers for single-mode (40Km/80km/60km/100km is customizable).
9.Interface protection 600W surge protection, 1500V electrostatic protection.
Other specification:
Power supply: AC100~240V,DC5V (US/EU/UK/AU standard plug is optional)
Power consumption: 2.5 w
Size:103x70x27mm(LxWxH)
Weight: 0.8Kg/pair.
Package contents:
1x RS-485 data Transmitter.
1x RS-485 data Receiver.
2 x power supply adapter
1 x User manual
In Primeda-telecom, All of our products usually enjoy one year limited warranty. Custom orders can not be returned when they function properly.
If any Primeda-telecom product fails due to a defect in materials or workmanship within limited warranty of original shipment, Primeda-telecom will, at its sole option, repair/replace the product or refund the original purchase price. To access this Limited Warranty, contact Primeda-telecom for a Return Material Authorization number and ship the product to us.
This Limited Warranty is given in line with all other warranties, express and/or implied and to the maximum extent permitted by law, Primeda-telecom disclaims all other warranties, expressed and/or implied, including the warranty of merchantability and fitness for any particular purpose. No employee of Primeda-telecom has the authority to verbally modify this Limited Warranty.
All else not withstanding, acceptance of products from Primeda-telecom, constitutes acceptance of this Limited Warranty.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
Q1:What’s your main products?
Primeda-telecom dedicates to the developing, production, marketing of the Fiber Optic communication products, like Video/Audio/Ethernet/Tel/Contact closure over Fiber Exender, FPV optical modules,Fiber cable/connectors/accessories and so on.Q2.: May I buy samples from you?
You are welcome to place sample order to test our superior quality and services.Q3.: Can you put my brand name (logo) on these products?
Yes! The professional OEM services will be welcomed to us. Our factory accepts to make the logo free for bulk orders.Q4.: How can I get the quotation quickly?
To send your inquiry with detailed requirements to our sales email box or call us. Our sales representative will get back to in 12 hours.Q5: What’s your best price? Can I negotiate the price?
Based on the quality of our products and the quantity of your estimated. We would quote the great best matching price all the time.Q6.: May I know the status of my order?
Yes .The order information and photos at different production stage of your order will be sent to you and the information will be updated in time.Q7: Can you provide OEM/ODM service?
Yes, we can. Please give us your requirements, our engineer will make the technical datasheet for your further confirm.Q8. Do you have distributor in other country?
Until now, we sell our products to customers directly. And factory price could be offered.Thanks for subscribing!
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