7310D Installation and User’s Guide
Trouble Shooting
Foxcom Proprietary Information
Document No. 93-005-21-A1
39
PROBLEM
POSSIBLE CAUSE
3.
No optical power, LED
not illuminated.
1.
There is a break or severe bend in the fiberoptic
cable. Use an optical power meter or another
functioning receiver unit to verify optical
power coming down the fiber.
2.
Optical power too low, too many splits, too
long a distance (thus exceeding optical budget).
System
may still function
without LED
illuminated although at reduced performance.
3. The transmitter is not functioning, see above.
4.
Optical power light
illuminated with
disconnected optical
input.
Damaged (leaky) photodiode. Unit may still
function, otherwise contact Factory for service.
