Tag Archives: QSFP+ module

Economical Solutions for 10G to 40G Connection

With the accelerated development of optical network, there exist more and more capacity-hungry applications in 10G networks today. To solve this problem, experts put forward the 10G to 40G connection as an ideal solution. However, due to the high migration cost, we are prevented from making the migration. Do you also meet this issue? In this paper, it will offer several solutions for making 10G to 40G connections with less cost. Hope you can find one that suits your network.

10G to 40G Connection

Economical Solutions for 10G to 40G Short Connection

How to make a short link between 10G and 40G switches? You can choose the 40GBASE-SR4 QSFP+ module that supports the 40G network at length up to 150 m. Meanwhile, four 10GBASE-SR SFP+ modules are required. So is the MTP-LC harness cable for connecting QSFP+ and four SFP+ modules. In details, FS.COM offers OM3 MTP-LC harness cable supporting 40G connection up to 100 m and OM4 up to150 m. All these equipment mentioned above are available at FS.COM with good prices. For the details, you can learn from the following table.

Product ID Description Price
48558 Customized 40GBASE-SR4 QSFP+ 850nm 150m Transceiver US$ 49.00
48559 Customized 40GBASE-CSR4 QSFP+ 850nm 400m Transceiver US$ 59.00
50000 Customized 10GBASE-SR SFP+ 850nm 300m Transceiver US$ 16.00
31091 8 Fibers OM3 12 Strands MTP-LC Harness Cable US$ 26.00
48356 8 Fibers OM4 12 Strands MTP-LC Harness Cable US$ 28.00
66142 FS S3800-24T4S (24*10/100/1000Base-T+4*10GE) Switch US$ 400.00
29127 FS S5800-48F4S (48*1GE+4*10GE) Switch  US$ 1,700.00

If the link distance is longer than 150 m in your network, 40GBASE-CSR4 QSFP+ module may be a better choice. It can transmit the 40G signals longer, up to 400 m. As for the fiber patch cable, you can still chosse OM3 or OM4 MTP-LC harness cable. In general, the OM3 provided by FS.COM enables the connection up to 300 m, while OM4 up to 400 m. When making a short 10G to 40G migration, you can just choose FS.COM as an ideal fiber optical manufacturer. It offers all the equipment your network needs, including 10G and 40G switches, SFP+ and QSFP+ module and MTP-LC patch cable.

Economical Solutions for 10G to 40G Long Connection

Do you need to make a long 10G to 40G migration? FS.COM also offers several cost effective solutions. For example, up to 1km, 10km, 40km or even 80km 10G to 40G connection solutions. Let’s talk about the detail information of these solutions.

Spending Less for up to 40km 10G to 40G Connection

You can use the 40GBASE-PLRL4 QSFP+ and 10GBASE-LR SFP+ modules to support the 10G to 40G migration up to 1 km. The 40GBASE-LRL4 QSFP+ is also a good choice. As for the fiber patch cable, you can choose the 8 fibers single mode MTP-LC harness cable. Once the distance is longer than 1 km, your are suggested to use the 40GBASE-LR4 QSFP+ and 40GBASE-PLR4 QSFP+ modules. These two kinds of fiber transceiver modules enable the connection at lengths up to 10 km. It the link distance is up to 40 km, then you can use the 40GBASE-ER4 QSFP+ module. Here are the related equipment offered by FS.COM.

Product ID Description Price
48561 Customized 40GBASE-PLRL4 QSFP+ 1310nm 1.4km Transceiver US$ 220.00
48563 Customized 40GBASE-LR4L QSFP+ 1310nm 2km Transceiver US$ 340.00
48564 Customized 40GBASE-LR4 QSFP+ 1310nm 10km Transceiver US$ 340.00
48565 Customized 40GBASE-PLR4 QSFP+ 1310nm 10km Transceiver US$ 380.00
48566 Customized 40GBASE-ER4 QSFP+ 1310nm 40km Transceiver US$ 1,500.00
50004 Customized 10GBASE-LR SFP+ 1310nm 10km DOM Transceiver US$ 34.00
34959 8 Fibers Single Mode 12 Strands MTP-LC Harness Cable US$ 29.00

Spending Less for up to 80km 10G to 40G Connection

Have you ever felt puzzled about whether the 10G to 40G connection can be extended to 80 km? Here you’ll find the answer is yes. How to deploy 80km 10G to 40G connection? You should add the extra equipment, including two DWDM Mux Demux, two WDM transponder OEO (Optical-Electrical-Optical) repeaters and several DWDM SFP+ modules, to your network.

In order to make a smooth 80km 10G to 40G migration, we should add the WDM transponder OEO repeater into the 10G to 40G link. It can not only act as fiber repeater for long distance transmission, but also CWDM/DWDM optical wavelength converter. When the 10G signals pass through the WDM transponder OEO repeater, it will be converted into several DWDM singals. Then you should use the DWDM Mux Demux to multiplex, transmit and demultiplex them. And finally another WDM transponder OEO repeater is required to convert the DWDM singals into 10G signals again. Hence, you can finally achieve the up to 80km 10G to 40G connection. As for the equipment the network requires, you can also order them from FS.COM with good prices.

Product ID Description Price
65909 16 Channels C25-C40 Dual Fiber DWDM Mux Demux US$ 1,100.00
30515 4 Channels Multi-Rate WDM Converter (Transponder) US$ 820.00
64426 Customized C25-C40 10G DWDM SFP+ 80km Transceiver US$ 420.00

Conclusion

FS.COM is an ideal fiber optical manufacturer that offers very cost effective solutions for 10G to 40G connection. These solution can support not only the short 10G to 40G migration at lengths up to 400 m, but also the long migration with reach 1km, 10km or even up to 40km. Moreover, if you want to extend the 10G to 40G connection up to 80 km, you can order the extra equipment like DWDM Mux Demux, WDM transponder OEO repeaters and DWDM SFP+ modules from FS.COM with good price. All the equipment mentioned above have been tested to assure 100% compatibility.

Design Consideration for 40G Ethernet Network

With the speed in the data center now increases from 10G to 40G, different optical technology and cabling are required. But at first we should figure out the design of 40G Ethernet network. There are several key factors that may affect the transition to 40G. This article today will pay special attention to those aspects that influence data center design consideration.

General Data Center Design
The principal goals in data center design are flexibility and scalability, which involve site location, building selection, floor layout, electrical system design, mechanical design and modularity. Furthermore the key to a successful data center facility: one that is sustainable in the long term; the other is to consider it as a receptacle for equipment and operations, as well as an integrated system, in which each component must be considered to be flexible and scalable. Figure 1 shows a typical data center infrastructure design utilizing preterminated optical solutions.

data center design

What Does MPO Connector Means for 40G Data Center?
While speeds have increased to 40G, optical connectivity has remained in a duplex format, whether SC or LC. With the advent of 40G/100G Ethernet, multi-fiber push-on (MPO) connector technology are now used at the electronics interface and further into the data center infrastructure design. MPO technology has displayed proven value in cassette-based data center physical layer installations.

The MPO is defined by TIA-604-5-C, Fiber Optic Connector Intermateability Standard. Type MPO (FOCIS-5) as an array connector that can support up to 72 optical fiber connections in a single connection and ferrule. While the MPO is versatile in the fiber count supported, the 12-fiber MPO is the version widely deployed. Many data center designs today use cassette-based duplex LC connectivity or MPO to duplex LC harnesses at the electronics interface, while 12-fiber MPO-based connectivity is used to connect the trunk cabling to each cassette or harness.

40G Standard Provision
The Habtoor STFA Soil Group (HSSG) has designated 40G to support high-performance computing clusters, blade servers, SANs and network-attached storage. For 40G deployment, the QSFP transceiver will utilize a 12-fiber MPO. Deployment of 40G over multi-mode fiber will be achieved with 4-Tx and 4-Rx fibers from the 12-fiber MPO (see in Figure 2). Each of these four “channels” will transmit 10G for the combined 40G transmission. Single-mode fiber transmission will remain duplex connectivity using course wavelength division multiplexing. The HSSG has also defined the transmission media for 40G to include:

MPO connector

  • 40GBASE-SR4 (parallel optics)

100m on OM3/125m on OM4—10G on four fibers per direction

  • 40GBASE-LR4(cWDM)

10km on single-mode fiber—4x10G 1300nm wavelength region

  • 40GBASE-CR4

7m over copper—4x10G (twinax copper)

  • 40GBASE-FR(Serial)

2km on single-mode—4x10G 1550nm

As noted above, the QSFP+ module is specified for use with different standard. The 40GBASE-SR4 is terminated with the MPO connector. For example, Cisco QSFP-40G-SR4 QSFP+ transceiver enables high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors.

For 12-fiber MPO cassette-based optical systems already installed, 40G migration is as simple as removing the existing cassette from the patch panel housings at the equipment and cross connects and replacing the cassette with an MPO adapter panel. Next, an appropriate 12-fiber MPO jumper would be used to cross-connect the trunk cabling as well as interconnect into the QSFP. Though not widely available currently, future preterminated system trunks may utilize 24-fiber MPO connections, both on the trunks and on the cassette. In this case, 40G deployment would require an interconnect harness terminated with two 12-fiber MPO connectors at the QSFP end, and one 24-fiber MPO at the trunk end. This would provide the needed interface with the 24-fiber MPO-based trunk and the 40G QSFP. A 24-fiber MPO jumper would be needed at the system cross connects to ensure polarity was maintained and that skew was within requirements.

Conclusion
The data center infrastructure must be reliable, manageable, flexible and scalable no matter who you are asking for requirements of data center design. It is the responsibility of the network designers to insure best compatibility of data center. As migrating to 40G, we have 40G QSFP and cables within MPO connectivity. Fiberstore supplies a variety of 40G QSFP modules and cables for you to choose from. Besides QSFP-40G-SR4, QSFP-40G-SR4-S and Cisco QSFP-40G-CSR4 are also available. If you are interested in our products, please contact us directly.