Tahoe 289, User Manual

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Tahoe 289 E3/T3/Ethernet Bridge
Appendix A, Troubleshooting
Problem Possible solutions
Serial interface is connected
but there is no link

Make sure Rx and Tx connectors are not swapped. Make sure a
link partner is connected and properly configured
WAN link is detected at only
one end

Make sure both Tx and Rx connectors are properly connected
at both ends
There is a WAN link, but no
data flows

Check G.703 settings at both ends
LCD shows “Tx fail”

Transmit line is shorted at local end, remove the short circuit