Surge Protection for Fiber to the Home (FTTH)
OVERVIEW
Today's increased reliance on very sensitive electronics makes surge protection an important topic for Fiber to the Home (FTTH) applications deployed in rural, suburban and urban areas. The Insurance Institute for Business & Home Safety study found that $26 billion dollars was lost due to non-lightning power surges. In addition, there are about 25 million lightning strikes in the US each year that cause between $650M to $1B in losses according to the Insurance Information Institute, State Farm©.
This page discusses how to best protect your Fiber to the Home (FTTH) application and all associated components like the Rectifier, AC Power Panel, Transfer Switch, Battery Charger, Fiber Breakout Box, Street Cabinet, Wireless Radio, Router and Ethernet Switch. It covers the outdoor street cabinet owned by the Internet Service Provider or ISP as well as how the end-user of the high speed internet service can take steps to protect the equipment within the home.
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Street Cabinet |
Selecting SPD for Fiber to the Home (FTTH)
NEC/NFPA 70 require that Surge Protective Devices (SPDs) shall be UL 1449 Listed. This means selecting a surge protector is easier than it has ever been. There are only a few choices available for SPDs that are UL Listed for any of the most commonly used surge standards including UL 1449 5th Edition, UL 497B, and UL 497E.
Internet Service Provider (ISP) Infrastructure
Home Equipment
Main Service to the Home | Home Ethernet Router | Home Broadband Router
Internet Service Provider (ISP) Infrastructure
Recommended SPD for FTTH Street Cabinet
Location | Equipment | System | Surge Protector | Link |
|---|---|---|---|---|
| Street | 120/240Vac | ||
Rectifier | 48Vdc | |||
Digital I/O | ||||
Relay Output | ||||
Ethernet Switch | Cat. 6A | |||
Charge Controller | 48Vdc |
Home Equipment
Recommended SPD for Service Panel
Location | Equipment | System | Surge Protector | Link |
|---|---|---|---|---|
| Main Service | 120/240Vac |
Recommended SPD for Wifi Router (Ethernet)
Location | Equipment | System | Surge Protector | Link |
|---|---|---|---|---|
| Ethernet | Cat. 6A |
Recommended SPD for Wifi Router (Coaxial)
Location | Equipment | System | Surge Protector | Link |
|---|---|---|---|---|
| Cable | Coaxial |