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Chapter 7: Troubleshooting
7. Troubleshooting
Tables 7-1 through 7-7 provide support for problems with the ServSwitch DKM FX
matrix. This help assumes a functional extender route. Before troubleshooting,
make sure your extenders work over a point-to-point connection. This can be
supported by the using a CATx or fiber coupler.
7.1 External Failure
Table 7-1. External failure.
Problem Possible Cause Solution
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.
Problem Possible Cause Solution
Opening the OSD is not possible
No OSD jumper set Set Jumper 11 on the CON unit
Switch set up as sub-master Try using hotkeys L-shift, L-shift, S, O
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.
Problem Possible Cause Solution
Fans do not run; LED OK is on Fans are defective
Contact Black Box Technical Support at 724-
746-5500 or info@blackbox.com
Fans do not run; LED OK is off Power supply Check power supply and power connections
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