The pins and RJ-45 are numbered from 1 through 8. With the material points of the plug facing toward you, pin 1 is the leftmost pin.
Which two sets are looped on an RJ-45 T1 loopback plug? (Choose two)
A . Pins 1 and 4
B . Pins 1 and 7
C . Pins 2 and 5
D . Pins 2 and 8
E . Pins 1 and 5
F . Pins 2 and 7
Answer: A, C