Motorola MK4000 MicroKiosk, Руководство по продукции

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B - 42 MK4000 MicroKiosk for CE .NET 5.0 Product Reference Guide
ICMP Ping Window
The
ICMP Ping
window allows testing a connection at the network layer (part of the IP protocol) between the
device and any other device on the network. Ping tests only stop when you tap the
Stop Test
button, close the
Wireless Diagnostics
application, or if the device switches between infrastructure and ad-hoc modes.
To open the
ICMP Ping
window, tap the
ICMP Ping
in the
Wireless Diagnostics
window.
Figure B-37
ICMP Ping Window
To perform an ICMP ping:
1.
In the
IP
field, enter an IP address or select an IP address from the drop-down list.
2.
From the
Size
drop-down list, select a size value.
3.
Tap
Start Test
. The ICMP Ping test starts. Information of the ping test displays in the appropriate fields.
The following statistics appear on the page:
•
Signal - The current signal strength, measured in dBm, appears as both a numeric value and as a
histogram.
•
Noise - The current noise level, measured in dBm, appears as both a numeric value and as a histogram.
•
SNR - The current signal to noise ratio, measured in dBm, appears as both a numeric value and as a
histogram.
•
Total Tx - The total number of pings sent appears numerically.
•
Total Rx - The total number of valid ping responses received appears numerically.
•
Lost - The total number of pings lost appears numerically.
•
RT Times - Four round trip times: Last, Average, Minimum, and Maximum appear in milliseconds.
•
% Rates - For each of the 12 data rates, the number of times that rate was used to transmit the ping
appears as a percentage.
Graphs
Double-tap a statistic listed above to display a real time graph of that statistic.