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· Compliant to 100GbE electrical specification 802.3bm (Annex 83E CAUI-4) with No Host FEC
· 100G Link Distances up to 70m OM3, 100m OM4, 150m OM5.
· QSFP28 MSA Specification Compliant, including new functions per SFF-8636
· Class 1 Eye Safety
· Pull Tab: Ease of Transceiver Insertion and Extraction
· +10ºC to +70ºC case temperature operating range
· Dual Wavelength VCSEL Bi-Directional Optical Interface, PAM4 2x50Gbps 850nm/900nm
· Proven High Reliability 850 nm and 900nm technology: Topstar VCSEL transmitter and PIN detector
· Hot Pluggable QSFP28 Transceiver for Ease of Installation and Servicing
· Two Wire Serial (TWS) interface with Digital Monitoring and Maskable Interrupts for Expanded Functionality






Products series:
Topstar are one of the leading Manufacturers and Supplier of Fiber Optical transceivers in Shenzhen. Our main core business as below:
Original SFP module:We are a professional supplier of original (Finisar/ Brocade/ Huawei/ Avago/ Source/ WTD/ JDSU/ INTEL, etc) sfp module, more than 200,000pcs inventory per month in warehouse satisfy your one-stand demand.

2. Delivery: We promise that we will deliver the products you ordered within 24 hours after everything is confirmed!
3. Quality Control: Every single product will be fully tested, make sure it's fully functional before it's being shipped out.

1. Professional testing equipments: Error Detector/ Industrial Oven/ Agilent Oscilloscope/ Digitizer/ WaveRunner for producing process. Juniper/ Brocade/ Alcatel-lucent/Huawei/ERICSSON/ Datacom etc. guarantee compatibility.
2. Specialized in developing and producing the most Hi-tech products like: 40G QSFP+/ 100G CFP/CFP2/CFP4 / QSFP28 / 25G SFP28 / 200G QSFP56 /400G QSFP DD/400G OSFP . Every month sales qty transceivers more than 10W pcs .
3. OEM Compatible transceivers have 3-year warranty , support 3 months unconditional return , 1 year replacement or repair . Brand transceivers have 1 year warranty .
4.Stocks holds more than 200,000 transceivers at any one time for immediate delivery. Shenzhen sales center, Shenzhen OEM/ODM factory , Shenzhen warehouse , HK warehouse , USA San Fran branch to support fast service and shipment .
FAQ
1. Are your Optical Transceivers original?
Answer: Yes, all our optical transceivers are guaranteed 100% original!
2. What will you do if I found the product has any quality problem?
Answer: We back up every sale with our risk-free money-back guarantee!
You can buy with confidence from a company in good faith that has been serving its clients for over 7 years!
3. What did your company do in terms of quality control?
Answer: We have professional testing equipment and QC team. Every unit will be fully tested with perfect performance before shipping.
4. What are the trade terms?
Answer: Lead Time: 1 day after confirm your payment (In stock, we need 1 day to fully test them)
Payment term: Western Union, T/T, Aliexpress Escow, Money Gram
Warranty: 1 Year
5. Do you have compatible ones?
Answer: Yes, we have our own brand—Toptrans, including SFP, XFP, SFP+, Bidi in all kinds of specifications.
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