2 problems with the wan ports, 3 problems with the lan interface – ZyXEL Communications PRESTIGE 128MH User Manual
Page 178

Prestige 128MH PSTN Router/Hub
14-2
Acronyms and Abbreviations
14.2 Problems With the WAN Ports
Table 14-2.
Troubleshooting a WAN Port Connection
Problem
Corrective Action
Check if the WAN port is connected to an external modem/ISDN
TA.
Check if LINE 1 or LINE 2 is connected to a telephone line.
RDY LED of a WAN port is off
Check if the power of the external modem/ISDN TA is turned on.
14.3 Problems with the LAN Interface
Table 14-3.
Troubleshooting the LAN Interface
Problem
Corrective Action
Check the Ethernet LEDs on the front panel. The LED should be
on for a port that has a station connected. If it is off, check the
cables between your Prestige and the station.
Can’t ping any station on the LAN
Verify that the IP address and the subnet mask are consistent
between the Prestige and the workstations.