Cyclades-PR2000 Access Router Installation Manual

Cyclades-PR2000
Appendix A - Troubleshooting 121
What to Do if the Router Does Not Work or Stops Working.
1 Check that the cables are connected correctly and firmly (see chapter 2, What is in the Box, for correct
cable connection information).
2 Confirm that the Link LED is lit, indicating proper Ethernet cable termination. If it is not lit, check both ends
of the Ethernet cable and the hub connection.
3 Confirm that the CPU LED is blinking consistently one second on, one second off. If this is not the case,
see figure A.2 for an interpretation of the blink pattern.
Event CPU LED Morse code
Normal Operation S (short, short, short...)
Flash Memory Error – Code L (long, long, long, ...)
Flash Memory Error – Configuration S, L
Ethernet Error S, S, L
No Interface Card Detected S, S, S, L
Network Boot Error S, S, S, S, L
Real-Time Clock Error S, S, S, S, S, L
FIGURE A.2 CPU LED CODE INTERPRETATION
4 Make sure any external modem, DSU/CSU, or interface equipment is properly connected and that the
interface configuration is correct. Many cables, for example, have a DB-25 connector, but are not
interchangeable. Which cable is used for which type of modem is given in chapter 2.