Intermec i.roc User Manual - Page 31

The computer is connected to the network and you move to a new site to collect data. Your computer now shows you are not connected to the network. Move closer to an access point or to a different location to reestablish communications until you reconnect with the network. The computer appears to be connected to the network, but you cannot establish a terminal emulation session with the host computer. There may be a problem with the host computer, or with the connection between the access point and the host computer. Check with the network administrator to make sure the host is running and allowing users to log in to the system. The computer appears to be connected to the network, but the host computer is not receiving any information from the i.roc® Ci70 -Ex computer. There may be a problem with the connection between the access point and the host computer. Check with the network administrator or use your access point user's manual. A network connection icon appears in the toolbar, but then disappears. The computer may not be communicating with the intended access point. Make sure the network name matches the access point network name. Default network name is INTERMEC." The access point may not be communicating with the server. Ensure the access point is turned on, properly configured, and has 802.1x security enabled. Troubleshoot 802.1x Security Use the following table to troubleshoot problems with your 802.1x security that will prevent you from connecting to your network, such as an incorrect password. Problems With 802.1x Security Problem Solution The computer indicates it is not authenticated. Make sure that: • the User Name and Password parameters on the computer must match the user name and password on authentication server. You may need to reenter the password on both the computer and authentication server. • on your authentication server, the user and group are allowed and the group policy is allowed to log into the server. For help, see the documentation that shipped with your authentication server software. • the IP address and secret key for access point must match the IP address and secret key on the authentication server. You may need to reenter the IP address and secret key on both your access point and authentication server. • the authentication server software is running on the server PC. You receive a message saying The server certificate has expired or your system date is incorrect" after you perform a clean boot on the computer. Date and time are not saved when you perform a clean boot. Reenter the date and time, and then save your changes. 60 Check 802.11 Network Status If you have trouble connecting to your 802.11 wireless network: • Make sure you have correctly set network parameters on the computer. • Check your wireless security settings. Follow the next procedure to verify available access points and networks, check signal strength, and view other diagnostics. If you need to contact ecom instruments Product Support, this information can be helpful in troubleshooting wireless network connection issues. 1 Tap Start > iSpyWiFi. The ISpyWiFi application launches. The ISpyWiFi tab shows: • MAC address and IP address of the 802.11 radio. • network association status, including the SSID and MAC address of the access point. • security configuration. • radio transmit power and signal strength information. 2 Tap the Scan tab to view a list of available 802.11 networks. The list includes the signal strength, channel, and MAC address for each network. • Tap Scan to refresh the screen. 3 Tap the Supp tab to view radio supplicant information, including a list of supplicant events and authentication status. • To verify the settings for the currently active security profile, tap Configure Profile. ecom instruments Settings launches for you to configure 802.11 Radio settings. • To try reconnecting to the network, tap Reconnect. • To delete the events in the list, tap Clear Events. 4 Tap the Ping tab to run a ping test to the host. a In the Host field, enter the IP address of the host. b From the Repetitions list, choose the number of times the computer will ping the host. c Tap Ping. The graph shows the amount of time it takes for the host to return the ping. Tap List to see this information in a list format. 5 Tap the RSSI tab to view the received signal strength of the host signal. The information box includes the current signal strength, host SSID name, MAC address, data rate, and transmit power. • Tap Mark to place an arrow marker above the graph. 6 Tap the Conf tab to set up a log file that lists RSSI history. This screen includes the 802.11 radio driver version and available radio modes. a Check the Log to File check box. b (Optional) Change the sample period and number of samples displayed. c Tap Log File. The Save As screen appears. d (Optional) Change the name of the saved log file, the folder to which the file will be saved, the content type (log or text), and the location. e Tap OK. Troubleshoot Reading Bar Codes Use this section to troubleshoot problems that may prevent you from being able to read a bar code, such as the symbology not being enabled. 61