ONcore Cannot PING the ARP Servers and Vice-versa ...... 7-25
ONcore Hub Cannot PING an ARP Client .............. 7-27
ONcore LEC Cannot PING another Client and Vice-versa .... 7-28
ARP Client Cannot PING the ARP Server .............. 7-29
Two Devices Using IP Over a PVC Cannot Ping Each Other ... 7-30
ONcore LEC Cannot Initialize to the LES/BUS ........... 7-31
Administrative Problems (Netview/SNMP/Telnet) .......... 7-34
Communication Problems in an IBM LAN Emulation Environment 7-39
Other Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-44
ATM Connection Problems ....................... 7-47
Using 6416SW Trap Messages ...................... 7-50
Contacting Your 3Com Service Representative ............ 7-51
Troubleshooting Phase 1 and Phase 2 Problems .......... 7-51
Troubleshooting Phase 3 Problems .................. 7-52
Troubleshooting Phase 4 Problems .................. 7-53
Appendix A. TechnicalSpecifications . . . . . . . . . . . . . . . . . A-1
General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . A-2
Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . A-2
Appendix B. RS-232 Cable and Modem Requirements ....... B-1
Attaching a Console, Modem, or Server .................. B-1
RS-232 Cable Requirements ........................ B-2
RS-232 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
9-Pin/9-Pin Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3
9-Pin/25-Pin Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-4
Null-Modem Interposer . . . . . . . . . . . . . . . . . . . . . . . . . . B-5
Modem Attachment . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-6
Modem Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-7
Modem Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . .B-7
Appendix C. Error and Information Codes .............. C-1
Q.2931 Error Codes for Clear Causes ................... C-2
Maintenance Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C-5
IBM LAN Emulation Server Error Codes ................. C-6
x ONcore ATM Switch/Control Module: Installation and User's Guide