Fluke DTX-1800, Technical Reference Handbook

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Certifying Fiber Optic Cabling
Finding Connections with FindFiber
8-55
8
Using FindFiber in Loopback Mode
Use FindFiber in Loopback mode to quickly check the
continuity of patch cords and fiber spools. Figure 8-27
shows the equipment needed for using FindFiber in
Loopback mode.
1 Turn the rotary switch to SETUP; then select Fiber Loss.
2 Select Remote End Setup; then select Loopback.
3 Clean all connectors; then connect the tester's OUTPUT
fiber to one end of the fiber path, as shown in
Figure 8-28.
4 Turn the rotary switch to MONITOR; then select
FindFiber.
5 Try various connections with the INPUT fiber. The status
shows Loopback for both fibers when the path is
complete.
Figure 8-27. Equipment for Using FindFiber in Loopback
amd55f.eps
A
Tester with fiber module and connector adapter
installed. Match the connectors on the test reference
cord (
C
) or use an SC adapter if the fiber under test has
SC connectors. See Figure 8-28.
B
AC adapters with line cord (optional)
C
Test reference cord (optional for checking a fiber with SC
connectors)
D
Two adapters of the appropriate type (optional for
checking a fiber with SC connectors)
E
Fiber cleaning supplies
1
2
3
4
5
SC