Using Findfiber In Loopback Mode - Fluke DTX-1800 Technical Reference Handbook

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.
1
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)
2
Figure 8-27. Equipment for Using FindFiber in Loopback
Certifying Fiber Optic Cabling
Finding Connections with FindFiber
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.
SC
4
3
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
8
5
amd55f.eps
8-55