14
System Maintenance
Repair
For assistance with your Python II system, contact Telecast Fiber Systems, Inc.
at 508-754-4858. To return a unit for repair, you must obtain a return material
authorization (RMA) number from Telecast service.
Accessory List
The following accessories are available from Telecast:
• Optical power meter kit with wavelength filter
• Cable repair kit
• Loop-back cable to localize signals during installation test
• Prefabricated cables built to custom lengths
• Optical Splitters
Troubleshooting
Symptoms
Possible Cause
Corrective Action
No operation, all
indicators are off.
Check DC power
inputs
Verify that the external power supply
is delivering12-24 VDC.
TX LED RED
Bad SDI signal
Confirm presence of SDI signal at the
end of the coax or reduce coax cable
length at input
TX LED GREEN
RX LED RED
Bad fiber link or fiber
mis-patched
Reconfirm fiber link and ensure that
fibers are patched properly on multi
fiber units
TX LED GREEN
RX LED flashing
RED/GREEN
Fiber link is good
RX unit malfunction. Contact Telecast
For RMA number.
LEDs correct
Bad video
Too much fiber loss
Optical Link is
marginal
• Clean connectors
• Minimize connection points
• Search for tight bends in fiber run
Table 4: Troubleshooting guide
