D-Link DXS-3227P Product Manual - Page 336
Troubleshooting Solutions
UPC - 790069281198
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Troubleshooting Solutions Problems Self-test exceeds 15 seconds No connection is established and the port LED is on Device is in a reboot loop No connection and the port LED is off Possible Cause The device may not be correctly installed. Wrong network address in the workstation No network address set Wrong or missing protocol Faulty ethernet cable Faulty port Faulty module Incorrect initial configuration Software fault Incorrect ethernet cable, e.g., crossed rather than straight cable, or vice versa, split pair (incorrect twisting of pairs) Fiber optical cable connection is reversed Bad cable Wrong cable type Solution Remove and reinstall the device. If that does not help, consult your technical support representative. Configure the network address in the workstation Configure the network address in the workstation Configure the workstation with IP protocol Replace the cable Replace the module Replace the module Erase the connection and reconfigure the port Download and install a working or previous software version from the console Check pinout and replace if necessary Change if necessary. Check Rx and Tx on fiber optic cable Replace with a tested cable Verify that all 10 Mbps connections use a Cat 5 cable Check the port LED or zoom screen in the NMS application, and change setting if necessary Page 335