User manual

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Cooper Bussmann 245U-E Wireless Ethernet Modem & Device Server User Manual
Rev Version 2.19
Radio Path Test Settings
Enable Radio Path
Test
Enables or disables the radio path test.
RSSI Strong
Threshold
Strong RSSI indication threshold.
RSSI Weak
Threshold
Weak RSSI indication threshold.
Enable Throughput
Test
Enables or disables the throughput test (independent of radio path test (RSSI).
Remote Device IP
Address
IP address of the remote device that you wish to path test.
Throughput High
Threshold
High throughput indication value. Generally configured with the desired throughput
level.
Throughput Low
Threshold
Low throughput indication value.
RSSI
The first test uses the RS232, LED to indicate the RSSI level from the access point. The LED will be green when
the RSSI to the access point is greater than the configured RSSI Strong Threshold or red when the RSSI to the
access point is greater than the configured RSSI Weak Threshold. If the RSSI to the AP is less than the RSSI
Weak Threshold, the RS232 LED will be off. When the Radio Path Test is enabled, the OK LED will flash alternately
between green and red indicating that it is in a diagnostic mode.
Throughput
The second test is the throughput test, which when enabled performs a basic throughput test between the access
point and the client. The configurable remote device IP address should specify the IP address of the access point.
NOTE The on-board Iperf server must be enabled at the access point prior to running this test.
The throughput test will run through a continuous cycle where data is transferred for 10 seconds, followed by
10seconds of silence. The RS485 LED and the DIO LED are used as indicators of the throughput test. When data
is being transferred, the DIO LED is red, and when no data is being transferred, the DIO LED is off.
If the average throughput over the 10-second duration of the throughput test is greater than the configurable
Throughput High Threshold, the RS485 LED will be green. Otherwise, if the throughput is greater than the
configurable Throughput Low Threshold, the RS485 LED will be red. If the measured throughput is less than the
Throughput Low Threshold, the RS485 LED will be off.
The radio path test can be accesses by selecting the link from the System Tools page and then selecting the
“Enable Radio Path Test” option and entering the appropriate thresholds levels to indicate RSSI and throughput
and the IP address of the Iperf server (normally the access point).
Figure 93 shows the indications you will see using the configuration above.
• The OK LED will flash between red and green, which indicates that the module is in a diagnostic Radio Test
mode.
• RS-232 LED is green, indicating the RSSI to the access point is greater than -40 dB. If the RS232 LED were
red, it would indicate the RSSI level was greater than -60 dB.