fiber optical module QSFP+ SR4 40G optical module for Cisco QSFP-40G-SR4

 1.Product pictures of 40G QSFP+ SR4 850nm 300m MMF      

 1.About us

Located in Shenzhen,China, established in 2007. AscentOptics is pecialized in developing,manufacturing and sell various kinds ... More
Located in Shenzhen,China, established in 2007. 
AscentOptics is pecialized in developing,manufacturing and sell various kinds of optical transceivers for FTTX,Data communication,telecommunication and other optical transmission systems. 
Datarates range from 100M to 40Gbps,AscentOptics supply all kinds of optical transceivers form factor,including GBIC,SFP,XFP,SFP+,X2,XENPAK and QSFP+,ect.. 
Professional, delicated and passional, With reliable quality and competitive pricing,,AscentOptics supply over-expected products and service to customers,In the past years,AscentOptics have won the confidence and great reputation from domestic and oversea customers 
Our R&D closely follow up with the world industrial trend. With rofessional skills and responsible attitude.We implement strict flow management in manufacturing pocess to make sure high quality. 
As one of rapidly developing enterprise,Based on multi-win commercial principle.AscentOptics would like to grow with all of our customers and partners.

2.Certificate

3.Our markets

4.Payment

5.Contact us

  Packaging & Shipping

 Our services

1.OEM, ODM are welcome. 

You can use your own brand or ours. If you use our brand, our professional design team will help you design the packing, such as the bottle shape, logo and carton. Our research team will research new formula according to your market.

2.Free sample will be provided.
Usually, we make free samples for you, while you afford shipping charge of samples. But when the sample need new mold, you will afford the mold charge. And after we make a deal, the sample fee will be returned to you.

3.Welcome to visit. 
When you come to our company visIt us, we will arrange car for picking up and help you book hotel. If you want to visit the local scenic spot, our colleague will accompany you.

4.After-service. 
a. In production and after delivery, we will track on time and tell your goods situation.
b. When the goods arrived, if you find any design and quality question, or difference from your samples, please feel free to contact us, we will find the question and solve it with you.

FAQ(Frequently Asked Questions)

1. Can I have a sample order?What is your MOQ?  
Yes, we welcome sample order to test and check quality. Mixed samples are acceptable,We do not have MOQ,1 sample is available.

2. What is the lead time?
For usual products,We keep stock,could ship 1-3 days after PO.For big quantity and special products,Please check lead time with our sales representative.

3. How do you ship the goods and how long does it take arrive?
We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive.

4. Dose your modules compatible to CISCO.(HP/Extreme/Juniper,ect)
Yes,we code the optical transceivers compatible to CISCO(HP/Extreme/Juniper).

5. What is your payment terms?
Usually,we need prepayment by T/T,West Union or Cash.

Could also support Credit terms like NET 7DAYS,NET30 DAYS or COD(cash on delivery) for old customers after credit application is approved.

6. What is your warranty time
We promise 3 years warranty for all products shipped from us.

7. Could I return the products if there is a quality problem?
Yes,if there is a quality problem happen,including products defects,uncompatbility.we could accept free exchange or  return and  refund.

8. How to place an order?
Please send your inquires to sales or call our sales hotline:+86-755-26473461 Our sales representative will conact you within 24 hours.

9. Could i use our own logo and label?

Yes,we could provide a OEM service and make the products with your own label.