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9 FAQs on Using 100G QSFP28 in Data Centers

100G QSFP28 is designed to carry 100 Gigabit Ethernet, providing a high-density and high-speed solution for data centers and high-performance computing networks. What does QSFP28 refer to? How many types of QSFP28 transceivers are there in the market? Find answers
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Passive DWDM System vs Active DWDM System

Dense wavelength division multiplexing (DWDM) is a wavelength division multiplexing (WDM) technology that expands the transmission capacity of existing optical fiber networks. Save a lot of fiber resources in transmission applications. There are two main types of DWDM systems at …

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2x100G DWDM Dual Fiber Solution for 110km

Customer: Do you have 200G solution point to point solution?
HTF: How many G for each channel you need?
Customer: 100G.
HTF: Could you please send us your using environment? The distance is?  the fiber loss is?
Customer: 110km, 30dB
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Do you have single fiber DWDM solution for 80km?

Customer: Do you have single fiber DWDM solution for 80km?
HTF: Yes, can you tell us your fiber loss for the 80km.
Customer: 20dB loss for 80km, 10x10G
HTF:  Engineer will design suitable solution for you to check. For single
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How many 10G can 40ch AAWG Mux Demux transmit by single fiber?

One of HTF customer ask, can we support to design single fiber DWDM solution for 80km?
HTF: Of course we can support and design.
Your need point to point DWDM single fiber solution?
The fiber loss for 80km is
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How 3 typical CWDM solutions for different simplex BiDi transmission systems?

1. The Type-A solution includes a pair of simplex CWDM MUX DEMUX modules and a pair of 1CH simplex CWDM OADM modules over a single fiber. In this situation, the Tx and Rx of the dual fiber CWDM transceivers use
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DDM in optical module

As the application of optical modules becomes more and more widespread, the speed, packaging, power consumption and functions of optical modules are also developing in the direction of high speed, small size, low power and multi-function. Today we are going …

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Why optical module signals are lost during the operation of a device?

Optical ports of transceivers also require proper cleaning to ensure the fiber transmission performance. Look at the picture, you will find why we need clean optical transceiver module?

Clear Optical Module

For no apparent reason, optical signals are lost during the operation of
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QSFP56 vs QSFP28 vs QSFP+

Seen from their industry names, QSFP56, QSFP28 and QSFP+ are very similar in that they share the same QSFP form factor as their postfix shows, and they have the same size as each other. However, their data center and connectivity …

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OLP 1+1 Optical Line Protection Solution

Do you have Optical line protection solution? For 20km, The loss 15dB max.

Yes, The following is reference solution diagram from HTF for you reference.

 HTF OLP1+1 Solution
Item Model Specification Site A Quantity (pcs) Site B Quantity (pcs) Sub
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