GE MDS entraNET 2400, Technical Manual

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05-4055A01, Rev. E MDS entraNET Technical Manual 81
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Receive errors
—Packets that do not pass a Cyclic Redundancy
Check (CRC). This may be due to transmissions corrupted by
RF interference.
•
Clear Statistics
—Resets the statistics counter.
3.9.4 Radio Packet Statistics Menu
The previous screen dealt with Ethernet-related information. The Radio
Packet Statistics screen ( Figure 3-45 ) contains statistics that relate
directly to over-the-air transmission of data. It provides valuable insight
into the quality of the RF link between entraNET radios with respect to
the handling of data packets.
Figure 3-45. Radio Packet Statistics Menu
•
Overflow
—TX packets with “LCP buffer overflow data”
responses.
•
No Ack
—Number of packets that were sent but not
acknowledged.
•
Lost Data
—TX packets lost; over-the-air retries exceeded.
•
Timeout
—TX data packets lost; contention timeout.
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Good Data
—Data packets with CRC “good” responses.
•
Failed
—TX packets failed; data integrity failed.
•
Over the Air Data
—Data packets successfully delivered over the
air.
•
Frags
—Total fragments of data received.
•
Retries
—Total number of times packets were re-transmitted.
•
Diags
—TX packets with “Remote not synchronized” data
responses.