Call Us: 717.843.4240
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Interconnect Solutions for Data Communications

Sentinel Connector Systems designs and manufactures highly engineered interconnect solutions for data communications applications, and proudly celebrates its 25th anniversary with a relentless commitment to engineering innovative, reliable, high-quality products made in the USA.


  • Markets & Applications

    We are proud to be a dependable partner to many of the world’s largest companies, helping them solve their most demanding challenges with data communications interconnects for a wide range of applications.

    Sentinel products are utilized in a variety of markets, from data centers of critical importance, to factories of the future, to the Pentagon and the International Space Station.

  • Plug Finder

    Sentinel Connector Systems works very closely with all major cable manufacturers to ensure optimum performance for each application.

    Simply click on the cable manufacturer’s name or enter the part number and we will match it to the correct plug connector.

Why Sentinel?

Sentinel Connector Systems is the global leader of Made in the USA Ethernet connectors and the leading authority on RJ45 connection system technology. We have an unwavering commitment to our values and a relentless drive for highly engineered solutions, while doing whatever it takes to satisfy a customer with the most reliable connectors available today.

sales team
Telecommunications Industry AssociationUL Certified LogoCommunications Cable & Connectivity Association

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If you have questions or need immediate assistance, give us a call today!

Mon-Fri: 8am-5pm

Tel: (717) 843.4240

Fax: (717) 848.1949