User manual

86 www.cooperbussmann.com/wirelessresources

Cooper Bussmann 945U-E Wireless Ethernet Modem & Device Server User Manual

Rev Version 2.14

Throughput Low Threshold, the RS485 LED will be off.

Radio path test can be accesses by selecting the link from the System Tools page and then ticking the “Enable

Radio Path Test” and entering in appropriate thresholds levels to indicate RSSI and throughput and the IP address

of the Iperf server (normally the access point).

Figure 87 shows the indications you will see using the configuration above.

Figure 87 Throughput Test LEDs

• The OK LED will flash between red and green, which indicates the module is in a diagnostic Radio Test mode.

• RS-232 LED is showing a green indication which means the RSSI to the access point is greater than -40dB. If

the RS232 LED were red, it would indicate the RSSI level was greater than -60dB.

• RS-485 LED is showing a green indication, which means the throughput to the access point is greater than

10Mbps. If the LED showed a red indication, this would mean the throughput is between 10 Mbps and 4

Mbps.

NOTE Advanced conﬁguration settings such as Serial or I/O Transfer should be disabled, and if using the

throughput test, the Iperf Server option on the Advanced Radio Settings page for the access point must be

enabled.

4.8 Remote Configuration

Because a module configuration is viewed and changed in a Web format (which uses TCP/IP protocol), you can

view or change the configuration of a remote module via the wireless link, provided the remote module already

has a wireless link established to the local 945U-E. To perform a remote configuration, connect a PC to the local

module, run Internet Explorer and enter the IP address of the remote unit (or device name if using DNS). The

configuration page of the remote module will appear and changes can be made.

NOTE Care must be taken if modifying the conﬁguration of a module remotely. If the radio conﬁguration

is changed, some changes made may cause loss of the radio link, and therefore loss of the network

connection.

It is advisable to determine the path of the links to the modules you wish to modify and draw a tree diagram, if

necessary. Modify the modules at the “leaf nodes” of your tree diagram. These will be the furthest away from your

connection point in terms of the number of radio or Ethernet links. In a simple system, this usually means modifying

the client modules first and the access point last.