Chip PC CDC01927 User Manual

 
 
 
 
 
 

 

36 

Jack PC Hardware User Manual - Training Department 
Version 0506 
 

 

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: 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check at the far end that the 

port is connected to the switch 

Device powered but NO 

Link LED 

TIA-568? 

See Figure 6.2 

Finished 

Yes 

Problem resolved? 

B 

Something 
Else 

Check at the far end if  

TIA-568-A or B is used 

Check Flex-Jack 

Terminal block label 

for proper B wiring 

Check Flex-Jack 

Terminal block label 

for proper A wiring 

Check Flex-Jack 

Terminal block 

according to non-

standard wiring 

table 

Fix wiring if needed 

No 

A 

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