User guide

March 2005 Managing Your Canopy Network
Through Software Release 6.1
Page 378 of 425 Issue 1
Canopy System User Guide
Module Has Lost or Does Not Gain Sync on Page 381
Module Does Not Establish Ethernet Connectivity on Page 382
Module Does Not Power Up on Page 382
Power Supply Does Not Produce Power on Page 383
CMM2 Does Not Power Up on Page 384
CMM2 Does Not Pass Proper GPS Sync to Connected Modules on
Page 384
31.5 PROCEDURES FOR TROUBLESHOOTING
31.5.1 Module Has Lost or Does Not Establish Connectivity
To troubleshoot a loss of connectivity, perform the following steps.
Procedure 48: Troubleshooting loss of connectivity
1. Isolate the end user/SM from peripheral equipment and variables such as
routers, switches, and firewalls.
2. Set up the minimal amount of equipment.
3. On each end of the link
a. check the cables and connections.
b. verify that the cable/connection scheme—straight-through or crossover—is
correct.
c. verify that the LED labeled LNK is green.
d. access the Status page of the module
e. verify that the SM is registered.
f. verify that RSSI is 700 or higher.
g. verify that jitter is reported as 9 or lower.
h. access the IP Configuration page of the module.
i. verify that IP addresses match and are in the same subnet.
4. On the SM end of the link
a. verify that the PC that is connected to the SM is correctly configured to obtain
an IP address through DHCP.
b. execute ipconfig.
c. verify that the PC has an assigned IP address.
5. On each end of the link
a. access the Configuration page of the module.
b. verify that the settings for link negotiation, frequency, and color code match
those of the other module.
c. access the browser LAN settings (for example, at
ToolsÆInternet OptionsÆConnectionsÆLAN Settings in Internet
Explorer).
d. verify that none of the settings are selected.
e. access the Link Test page of the module.
f. perform a link test.