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Purpose of Phone Jack or Ethernet Port


  • What is the ethernet port (RJ14/RJ12) on Sub-Zero, Wolf, and Cove products for?
  • What is the phone jack (RJ11) on Sub-Zero, Wolf, and Cove products for?
  • Reason for RJ11, RJ12, RJ14 jack or port on a Sub-Zero, Wolf, and Cove


The service port (RJ11, RJ12, RJ14), commonly called a phone jack an ethernet port, serves a number of purposes on Sub-Zero, Wolf, and Cove products:

  • Factory testing of products.
  • Future diagnosis capabilities for service technicians.
  • All BI Refrigeration Units, E Series Ovens, and WWD30 Warming Drawers include the ethernet port.
  • Connection to smart grid appliance applications, such as Control4, Crestron, and Savant. This application may require an upgrade to the unit's control board or the purchase of third-party sales accessories.
  • See also, Connect Appliances to Third-Party Systems.

See also:

Contact the Sub-Zero, Wolf, and Cove Customer Care Team at (800) 222-7820, Monday-Friday, 8:00 a.m. - 5:00 p.m. CST, for additional information.


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