Wrapping A Reference Test Cord Around A Mandrel - Fluke OF-500-01 OptiFiber Technical Reference Handbook

OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
Table 7-3 shows a partial list of mandrel requirements for
TIA and ISO standards.
Figure 7-4 shows how to wrap the fiber around a mandrel.
Place mandrels on the tester's output fibers,
Fiber
core size Standard
50 µm TIA-568-C.3 7.1
62.5 µm TIA-568-C.3 7.1
7-12
Table 7-3. TIA-568-C.3 Mandrel Requirements
Wraps Around
Mandrel
5
5
Figure 7-4. Wrapping a Reference Test Cord Around a Mandrel
as shown in Figures 7-6 through 7-13.
In the reference and test connection diagrams shown on
the tester, mandrels are indicated by a loop in the fiber.
Mandrel Diameter for
250 µm Buffered Fiber
25 mm (1.0 in)
20 mm (0.8 in)
Mandrel Diameter for 3 mm
(0.12 in) Jacketed Cable
22 mm (0.9 in)
17 mm (0.7 in)
ajt02f.eps