This section tries to answer to most frequent question concerning the use of your NTP
device. First, ensure that the GTNetManager software and a SUN JAVA Virtual Machine
1.4.2_X are installed on your computer.
I MADE A « SCAN NOW ! » WITH GTNETMANAGER
BUT I CANNOT SEE THE DEVICE ?
1. Verify the cable connection. If Ethernet LEDs are visible, the upper-left LED ►
should be green. Otherwise, there should be a network connection or power supply
failure.
2. If you use several VLAN (Virtual Local Area Network), verify that the device is on ►
the same VLAN than your computer.
3. Connect your computer directly to the device using a straight cable. In DHCP ►
mode, the device take automatically an address in the range 169.254.x.y if it does
not nd any DHCP server. Change your computer IP address in this range, with a
network mask of 255.255.0.0.
I CANNOT OPEN THE CONFIGURATION WEB PAGE ?
1. First, is the device reachable with ► GTNetManager ?
YES
Your computer and the device should have the same IP range and the same network
mask.
NO
See previous question.
2. If you use the SUN Java virtual Machine 1.4.2_x, go to: ►
Start Menu ► Settings ► ControlPanel ►Java Plug-in ► Advanced - select JRE 1.4.2_
Start Menu ► Settings ► ControlPanel ► Java Plug-in ► Cache - Uncheck “Enable Caching"
3. Has the page been found by the browser (the loading begins but fails after a ►
while) ?
NO, PAGE NOT FOUND
If you use “Internet Explorer”, go to :
Tools ► Inter ►net Options ► Connexions ► Network Parameters
The browser should not use proxy, uncheck all checkboxes. ☛
APPENDIX C – TROUBLESHOOTING
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