Black Box ServSwitch DKM FX - 7 Troubleshooting; External Failure; Video Interference; Fans Malfunction

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Chapter฀7:฀Troubleshooting
7.฀Troubleshooting
Tables 7-1 through 7-7 in Sections 7.1 through 7.7 provide support for problems
with the ServSwitch DKM FX matrix. This help assumes a functional extender
route. Before running, make sure your extenders’ matrixes work over a peer-to-
peer connection. This can be supported by the use of a CATx or fiber coupler.
7.1฀External฀Failure
Table 7-1. External failure.
ProblemPossible฀CauseSolution
ServSwitch DKM FX cannot be started Fuse at the standard appliance outlet is out Check fuse
7.2฀Video฀Interference
Table 7-2. Video interference.
ProblemPossible฀CauseSolution
Opening the OSD is not possible No OSD jumper set Set Jumper 11 on the CON unit
Incorrect video display Cable connection disturbed
Check the connection, length,
and quality of the interconnection
cable to the units
7.3 Fans Malfunction
Table 7-3. Fans malfunction.
ProblemPossible฀CauseSolution
Fans only run under full load
Communication to fan
tray is disturbed
Remove and reinstall the fan tray
Fans do not run; LED OK is on Fans are defective
Contact Black Box Technical Support at
724-746-5500฀or฀info@blackbox.com