Teltone Substation Line Sharing Switch: Cut your substation telecom costs.

The SLSS has been discontinued, and is replaced by the Dial-up Gateway, a drop-in replacement offering enhanced security for protecting critical cyber assets. Click here for more info.

*Teltone has been acquired by Industrial Defender. For inquiries please visit http://www.industrialdefender.com

With over 10,000 units installed in North American substations, the now retired Substation Line Sharing Switch has earned its status as the industry standard for reliable phone line sharing in demanding environments. The legacy of reliability continues with the next-generation Dial-up Gateway, offering enhanced security for control system protection.

Support info

  • Upgrading to the secure Gateway: click here
  • Product support including user manual downloads: click here
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