EXFO MaxTester 635 - Manual (Page 82)

Setting Up Copper Tests
74 MAX-635
FED Setup
2. For Open, set the FED so that the T-R/A-B wires connected to the
customer side of the FED are open circuited.
3. For T-R-G/A-B-E Shorted, set the FED so that T-R-G/A-B-E are all short
circuited (connected to each other) at the customer side of the FED.
Note: P.U.T., in the above diagrams, refers to the Pair Under Test.
Remote is the FED, and Controller is the MaxTester.