Chip PC CDC01927 manual LAN Troubleshooting flow

Jack PC Hardware User Manual - Training Department

Version 0506

7.3LAN Troubleshooting flow

If power is OK through external power supply but still there is no LINK you should suspect the wiring. The following flow will guide you through the troubleshooting procedure in such a case:

Device powered but NO

Link LED

Check at the far end that the port is connected to the switch

Check at the far end if

TIA-568-A or B is used

Something

Else

Check Flex-Jack

Terminal block

according to non-

standard wiring

table

Yes

Finished

TIA-568?

See Figure 6.2

A

Check Flex-Jack

Terminal block label for proper A wiring

Fix wiring if needed

Problem resolved?

No

Go to next page

B

Check Flex-Jack

Terminal block label for proper B wiring

36