Cost Comparison : Single-mode Vs. Multimode Fiber Optics

There is the long-term debate between single-mode and multimode optics. From the data rate, link distance, and costs, people usually will calculate every single difference between them. However, this article will not talk about the technical distinctions because you can find the related information everywhere. Cost, as one of the important factors, is sometimes the deciding point by many data center operators. The cost difference between single-mode and multimode optics (optical transceiver modules and fiber optic cables) are quite obvious. Single-mode optics with longer transmission distance and more bandwidth, usually…

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DAC Twinax for Top of Rack Switching

Top of rack switching as the basic data center architecture, requires one or two access switch installed on the top pf each sever rack, which provides easy cable management and maintenance. Additionally, it reduce the cable requirement as all sever connections are terminated to its own rack. Direct attach cables (DAC) twinax cable can achieve interconnection up to 15 m at 10 Gbps or 40 Gbps with low power. Most server gears come default with DAC twinax cables in-rack along with a couple of short-throw lasers back to core. This…

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Gigabit Ethernet Transceivers Supported on Cisco Nexus 3500 Series Switches

Cisco Nexus 3500 Series switch are the comprehensive portfolio of 1, 10, and 40 Gigabit Ethernet switches to achieve exceptional layer 2 and 3 switching latencies of less than 200 ns. They are Cisco’s hot-selling switches that can support a series of Gigabit Ethernet transceivers like the SFP optical transceiver, SFP+, and the QSFP+ modules. Cisco Nexus 3500 Series Switches include various models such as Cisco Nexus 3048 switch, Cisco Nexus 3100 platform switches, Cisco Nexus 3100-V platform switches and Cisco Nexus 3200 platform switches. Today’s article will provide a…

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Compatible Test of Cisco QSFP-40G-SR4 Optics

When purchasing the third party optics, customers usually suffer from the poor quality and compatibility issue, which is the major obstacle of OEM market. Just as a saying goes, what is good is not cheap. However, this article will prove that the cost-effective OEM optics from FS.COM are well worth the penny. FS.COM, as a professional and reliable manufacturer and supplier of compatible optical transceiver, provides a series of self-developed products which can be highly compatible with many major brands, such as Cisco, HPE, Juniper, Brocade, Arista, etc. In this…

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Introduction to Horizontal and Vertical Cable Manager

For many IT manager or data center professionals, one of the most difficult task is to keep cables in proper order. Image that you walk into a sever room to troubleshoot cables because of the bad cable management, you see the cable here, cable there, cable everywhere. Can you walking through this without crying? Now that you have looked at the horrible cable management, it is time for you to do something to avoid joining the terrible cable management hall. From the above image, we can see that there are…

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