Warning: Kramer Serial Tunnel Disconnected Message on Touch Panel or XPanel in Smart Classroom

Issue/Question

Receiving an error message on the touch panel or XPanel 

Error: Warning: Kramer serial tunnel disconnected. Please contact the help desk for assistance.

Environment

  • Classroom
  • Smart classroom

Cause

The Kramer VP-773A video switch has lost network connection and is offline.

Resolution

  1.  Please Report Smart Classroom Issue with the following information: 
    1. Building
    2. Room number
    3. A detailed description of the issue
    4. Error messages

Details

Article ID: 4012
Created
Tue 9/24/19 9:13 AM
Modified
Mon 9/20/21 11:00 AM
KCS Article Status
WIP: Only Problem & some Environment captured
Not Validated: Complete & Resolution captured, confidence lacks in structure, content, no feedback
Validated: Complete & reusable, used by licensed KCS user, confidence in resolution & std. compliance
Validated