Ethernet Cable Test - Viavi T-BERD 4000 Base Unit User Manual

Ethernet Cable
Test
Table 5 Ethernet summary results
Result
Dropped Frames
TX collisions
This category provides statistics on the pairs inside the cable.
describes the Ethernet Cable Test results.
Fig. 91 Cable Test Page
Table 6 Ethernet Cable Test results
Result Definition
Pair The pair being tested.
Channel Either Tx or Rx for 10/1000
A, B, C, or D for GigE
Fault Type Good appears if no faults are found, if a fault is
detected, one of the following will appear: Open,
Short, or Imp. Mismatch (Impedance)
Dx to fault The distance to the fault.
User Manual 77000000206 Rev. 007
Definition
Total dropped frames
Ethernet frames are transmitted "space-avail-
able" when there is a break on the signal on the
cable; sometimes frames are transmitted at the
same time as another transmitter, causing a
"collision" of frames.
Chapter 9 Ethernet TE Testing
Ethernet TE results
Table 6
141