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FTTH Knowledge
- Solving the FTTH Rollout Problem in Multiple Dwelling Units
- WDM PON Introduction FAQ
- A Simple Overview of Optical Power Meter
- ODN is based on PON FTTH Optical Cable Network of the Device
- Using an OTDR to be an Expert in Fiber Link Testing
- How FTTH Broadband Works?
- Connections among Fiber Terminal Boxes & Patch Cables & Pigtails
- Easy to Install a Fiber Terminal Box
- What is Arrayed Waveguide Grating?
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SOPTO Products
- Fiber Optic Transceiver Module
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- Splitter CWDM DWDM
- PON Solution
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- PCI-E Network Card
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- Fiber Optical Adapter
- Fiber Optical Attenuator
- Fiber Media Converter
- PDH Multiplexers
- Protocol Converter
- Digital Video Multiplexer
- Fiber Optical Tools
- Compatible
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Performance Feature
FTTH Knowledge
Recommended
AON and PON Advantages and Disadvantages
Passive optical networks, or PONs, have some distinct advantages. They're efficient, in that each fiber optic strand can serve up to 32 users. PONs has a low building cost relative to active optical networks along with lower maintenance costs. Because there are few moving or electrical parts, there's simply less that can go wrong in a PON.
Passive optical networks also have some disadvantages. They have less range than an active optical network, meaning subscribers must be geographically closer to the central source of the data. PONs also makes it difficult to isolate a failure when they occur. Also, because the bandwidth in a PON is not dedicated to individual subscribers, data transmission speed may slow down during peak usage times in an effect known as latency. Latency quickly degrades services such as audio and video, which need a smooth rate to maintain quality.
Active optical networks offer certain advantages, as well. Their reliance on Ethernet technology makes interoperability among vendors easy. Subscribers can select hardware that delivers an appropriate data transmission rate and scale up as their needs increase without having to restructure the network.
Active optical networks, however, also have their disadvantages. They require at least one switch aggregator for every 48 subscribers. Because it requires power, an active optical network inherently is less reliable than a passive optical network.
For more information about FTTH, please browser our website or contact a Sopto representative by calling 86-755-36946668, or by sending an email to info@sopto.com.