This Letter of Support (LOS) is a vehicle by which Dell EMC® can offer support for a specific vendor solution. A Letter of Support details support for configurations tested at that particular point-in-time and does not imply future updates of the solution.

Dell EMC reserves the right to make any future updates to the solution. For instance, updates could be made if future enhancements discovered through testing further fortifies the existing solution and benefits the customer. It is recommended that the customer and distance vendor periodically check for updates to the Letter of Support Navigator at

Successful completion of an Dell EMC Engineering-approved test plan with accepted results is required. The Letter of Support for distance extension solutions is defined by the following:

  • Agreement
  • Configuration diagram
  • Supported configurations