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1766-UM002 - Rockwell Automation

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Monitor Diagnostics 19<br />

This field<br />

Multiple Collisions<br />

Deferred Transmissions<br />

Late Collisions<br />

Excessive Collisions<br />

MAC Transmit Errors<br />

Carrier Sense Errors<br />

MAC Receive Errors<br />

CRC Errors<br />

Specifies<br />

Successfully transmitted frames which experienced more than one collision<br />

Frames for which first transmission attempt is delayed because the medium is busy<br />

Number of times a collision is detected later than 512 bit-times into the transmission of<br />

a packet<br />

Frames for which transmission fails due to excessive collisions<br />

Frames for which transmission fails due to an internal MAC sublayer transmit error<br />

Times that the carrier sense condition was lost or never asserted when attempting to<br />

transmit a frame<br />

Frames for which reception on the Ethernet interface failed due to an internal MAC<br />

sublayer receive error<br />

Frames for which CRC error is detected<br />

Publication <strong>1766</strong>-<strong>UM002</strong>A-EN-P - November 2008

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