Grass Valley Adder II - Manual (Page 36)

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Troubleshooting
Issues and Solutions
Issues and Solutions
Accessory List
The following accessories are available from Grass Valley:
• Portable optical power meter
• Fiber and coaxial cables built to custom lengths
Symptom Possible Cause Corrective Action
No Power No power adapter
Bad power adapter
Replace AC-DC Supply with a known
functional one.
No Optical Link Bad Fiber
Mispatched fiber
Lossy fiber or dirty fiber
connections
Verify that there is a link at both ends via
optical power meter and LINK LED.
Clean ends and/or reduce the number
of interconnections to achieve optical
power within range (-5 to -22 dBm).
Signal Generator/

analyzer not working
Speaker turned OFF Activate speaker using rear panel
switch.
Overall audio levels
too high or low Frame not set to match
audio console Use +18/+24 switch on rear panel to set
level at which audio will clip.
Clipping audio Too much gain Ensure that gains for each channel are
set properly for the input signal.