Description of the Metrics page
The following table describe each of the properties displayed on the MS/TP Metrics page.
Metric Description
TX Frame Count The number of transmissions sent by the router.
Tx Data Count The number of transmissions sent by the router
that included data.
Tx Error Count The number of transmissions sent by the router
that were in error.
Rx Frame Count The number of frames received by the router.
Rx CRC Error Count The number of frames intended for the route with
a bad CRC (Cyclic Redundancy Check).
Rx Unexpected Frame Count The number of frames with an unexpected error
that were received by the router.
Duplicate MAC Count The number of times the router received a
message from another device with the same
MAC.
Token Retry Count The number of times the router had to retry
passing the token.
Token Timeout Count Number of times the token passing from the
router to the next device failed.
RX Token Count Number of times the router received the token.
RX PFM Count Number of times the router saw a poll-for-master
message for its own MAC.
PFM Error Count The number of times the router was expecting a
poll-for-master message and did not receive it.
RX Frame Abort Count The number of frames that were terminated
because of a timeout error.
RX Discard Count The number of frames rejected because of
mismatched timing or preambles.
RX FB Reparse Count The number of times more than one frame was
found inside of the frame buffer.
Table 4–3 Diagnostic metrics
Section 4: Diagnostics and status KMC Controls, Inc.
48 Revision J
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