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Single Tests for Loopback Mode
Use these tests to troubleshoot fiber links, test patch cords, and check spools of
fiber before installation.
•
Total Loss: Measures the optical power loss between the output and
input ports of the DSP-FTA410 unit. If two fibers are connected end-to-
end with a loopback cable, the total loss of both fibers is displayed.
•
Total Length: Measures the total length of the fiber between the
output and input ports of the DSP-FTA410 unit. If two fibers are
connected end-to-end with a loopback cable, the total length of all fibers is
displayed.
•
Propagation Delay: Measures the total propagation delay of the
of the fiber between the output and input ports of the DSP-FTA410 unit.
•
Power: Measures the optical power received at the input port on the
main unit. Power is measured at 850 nm and 1300 nm.
•
Send (850 nm or 1300 nm): Continuously transmits a 850 nm or
1300 nm optical signal at the output port.
Single Test for Far End Source Mode
The Receive test, which requires a separate multimode or singlemode
source at the far end, continuously measures optical power at the main unit.
With a multimode source, you can measure power at 850 nm or 1300 nm. With
a singlemode source, you can measure power at 1310 nm or 1550 nm.
Single Tests
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