Category Archives: How to

Switch Stacking vs Uplink: Which Is Better for Connecting Switches?

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Networks will eventually grow to the point that more switches should be integrated to increase port density and boost bandwidth. Then, should I buy switches with more ports or just connecting switch via stacking or uplink. Obviously, the latter makes more sense. … Continue reading

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Guidance on Buying a Data Center Switch

Given the unprecedented development of network technology, switches have been widely used in some large-scale LANs and switch products are becoming increasingly rich. Thousands of enterprises like FS, Cisco, HP and Huawei provide varying level of switch products, such as … Continue reading

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How to Build a Passive DWDM Network?

DWDM technology has been regarded as an ideal solution for long haul optical transmissions. Usually the common passive system is CWDM but not DWDM. However, passive DWDM network also can offer perfect performance in some cases. This post focuses on … Continue reading

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How to Place EDFA for DWDM Distance Extension?

Erbium doped fiber amplifier (EDFA) is the latest state-of-the-art solution for amplifying optical signals in optical transmission systems. It has become a key enabling technology and the dominant amplification device deployed in optical networks. Together with DWDM technology, EDFA has … Continue reading

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IP/WDM vs. IP/OTN: Which One to Choose?

The unceasingly demand for Internet-based services makes carrier IP networks a more critical social infrastructure. Operators are required to offer higher speeds, larger capacities and higher reliability network. There emerge two solutions to tackle this issue: IP/WDM and IP/OTN. IP/WDM … Continue reading

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How to Overcome the Challenges of Adopting WDM-PON in FTTx?

The bandwidth demand in the access network has been increasing rapidly over the past several years. Passive optical networks (PONs), as the most economical FTTx architecture that needs no power supply, have evolved to provide much higher bandwidth in the access … Continue reading

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Comparison Between CFP-100G-SR10 and CFP-100G-LR4 Module

Although 10/40G Ethernet nowadays still captures the major position in the world of telecommunication, service providers and enterprise data centers are actually undertaking a transformation of infrastructures. Which fuels the demand for higher speeds, greater scalability, and better performance and reliability, … Continue reading

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How to Integrate PoE to Your Network?

You may come across the situation when it is needed to install IP telephones, wireless access points or IP cameras to somewhere AC power outlets are not available. What would you do then? As extra power supply and wiring installation … Continue reading

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Advice on Server Rack Cable Management

The proliferation of the cloud network and virtualization has brought higher network demands, which means data centers and network closets need to house and support an abundance of power and data cables. It is obvious that fail to deliver proficient cable … Continue reading

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How to Use WDM for Fiber Capacity Expansion?

Imagine turning a cottage into a majestic skyscraper without having to deliver any innovation or construction. This is what wavelength division multiplexing (WDM) allows with your existing fiber optic network. The hunger for bandwidth propels service providers to make a … Continue reading

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