4–9
Communicating on the Ethernet Network
Publication
1747-10.4
The diagnostic counter data displayed is stored in the diagnostic file
defined on the Ethernet channel 1 configuration screen.
Status field: Bytes: Displays the number of:
Commands
sent 0-3 Commands sent by the channel.
received 4-7 Commands received by the channel.
Replies sent 8-11 Replies sent by the channel.
received 12-15 Replies received by the channel.
sent with error 16-19 Replies containing errors sent by the channel.
received with error 20-23 Replies containing errors received by the channel.
timed out 24-27 Replies not received within the specified timeout period.
Ethernet In Octets 28-31 Octets received on the channel.
Out Octets 32-35 Octets sent on the channel.
In Packets 36-39 Packets received on the channel, including broadcast packets.
Out Packets 40-43 Packets sent on the channel, including broadcast packets.
alignment errors 44-47 Frames received on the channel that are not an integral number of octets in length.
FCS errors 48-51 Frames received on the channel that do not pass the FCS check.
carrier sense errors 52-55 Times that the carrier sense condition was lost or never asserted while trying to transmit a
frame.
excessive collisions 56-59 Frames for which a transmission fails due to excessive collisions.
excessive deferrals 60-63 Frames for which transmission is deferred for an excessive period of time.
MAC receive errors 64-67 Frames for which reception on an interface fails due to internal MAC sublayer receive error.
MAC transmit errors 68-71 Frames for which reception on an interface fails due to internal MAC sublayer transmit error.
single collisions 72-75 Successfully transmitted frames for which transmission was delayed because of collision.
multiple collisions 76-79 Successfully transmitted frames for which transmission was delayed more than once
because of collision.
deferred transmission 80-83 Frames for which the first transmission attempt is delayed because the medium is busy.
late collisions 84-87 Times that a collision is detected later than 512 bit-times into the transmission of a packet.
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