Fluke Versiv Series Technical Reference Handbook page 287

Note
Connect only UPC connectors
to the tester's output ports.
See "About APC Connectors"
on page 250.
UPC APC
APC UPC
Reference
*Use the EF-TRCs only with multimode modules.
Figure 107. TRCs Necessary for Links with APC Connectors
Chapter 9: Certify Fiber Cabling
Requirements for Reliable Fiber Test Results
UPC APC
APC APC
APC APC
APC UPC
TRC Verification
UPC APC
APC APC
APC APC
APC APC
APC APC
APC UPC
Fiber Link Test
GPU166.EPS
251