AOpen ISDN SOHO Router User Manual page 45

ping 129.97.35.1
The router shoud respond. If it does not respond then there should be a problem.
The following tests are done similarly:
Test the router's ISDN interface:
ping 192.168.1.2
Test the connectivity with the Total Control hub:
ping 192.168.1.1
Test the connectivity with the NT server:
ping 192.97.34.1
ISDN Router Manual V.1.1 44