EXFO FTB-800 Series for FTB-1 - Manual (Page 337)

Test Results
NetBlazer 327
S-OAM
Synthetic Loss

Status displays the status of the test function (refer to page 364).

TX SLM indicates the count of transmitted SLM frames.

RX SLR indicates the count of SLR frames having their source MAC
address matching the Peer MEP MAC address, the destination MAC
address matching either the unit port MAC address, and VLANs
matching the unit port VLANs.

Invalid SLR indicates the count of SLR frames received from the peer
MEP with incorrect MEG/MD level, incorrect source MEP ID, or
incorrect Test ID.

Synthetic Loss is calculated (count and %) for both Near-End and
Far-End over all frames received and is updated after each Synthetic
Loss measurement period (after receiving the defined Frame Count,
refer to page 186).

Successful indicates the count of received SLR frames having no
errors.

Failed indicates the count of SLR frames declared as invalid.