Twisted Pair Surge Protection

When installing your Ethernet extenders, especially in areas prone to lightning or industrial environments, it is extremely important to make sure that your extenders are properly protected.  This includes not only surge protection for the AC power, but for the Ethernet ports and on the DSL port for the line that is used to connect the extenders.  In the majority of installs, this line will be a single copper twisted-pair, and is one of the most vulnerable parts of a lot of Ethernet extenders.  Proper surge protection on the DSL/Line ports is essential to keeping your Ethernet extenders up and running, and will keep you from experiencing outages and down-time in your application.

When left unprotected, an Ethernet extender's DSL/Line port is vulnerable to lightning and other power surges traveling up the twisted pair used to connect the extenders.  Surge damage through the DSL/Line ports is one of the leading causes of failed Ethernet extenders, and this type of damage will generally void the warranty of the extender as well.  A good line surge protector will have a clamping point of 48-64V DC if the extenders are being used for data only, and a clamping point of 90-130V DC if the extender is carrying a POTS signal as well as a data signal.  Netsys carries Stormin' Protection brand surge protectors custom designed and tested to protect the DSL/Line ports of Ethernet extenders.  The Stormin' Protection SP-48VKIT is for use in applications where the Ethernet extender is carrying only a data signal, while the SP-130VKIT is used in applications where the extender is carrying a POTS signal as well as the data signal.  Each kit features two easy-to-install surge protectors, one for each Ethernet extender at either end of the line.  The twisted pair is terminated into the surge protector (Make sure to ground the grounding wire properly!), and has an RJ-11 jack that plugs directly into the Line port of the Ethernet extender, providing superior protection from lighting and other power surges.

As always, if you have any questions regarding this topic or any other support questions, feel free to email us at support@netsys-america.com and our support team will be happy to help you out.  Thanks for checking out Netsys Direct for your networking needs!  

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