User Guide
Page 10
C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
C PIN-OUTS Console Cable 189 Null Modem Cable 190 PC-AT Serial Cable 190 Modem Cable 190 Ethernet Port RJ-45 Pin Assignments 191 D TROUBLESHOOTING Problem Management 192 Troubleshooting Solutions 192 E 3COM CLI REFERENCE GUIDE Getting Started with the Command Line Interface 195 CLI Commands 196 F GLOSSARY ...206 G OBTAINING SUPPORT FOR YOUR 3COM PRODUCTS Register Your Product to Gain Service Benefits 212 Solve Problems Online 212 Purchase Extended Warranty and Professional Services 212 Access Software Downloads 213 Contact Us 213 REGULATORY NOTICES
User Guide
Page 170
A critical log is functioning, but an operational problem has occurred. ■ Notice - Enables syslogs. ■ Unchecked - If the device is saved to the specified logging location. ■ Alert - The third highest warning level. ...
A critical log is functioning, but an operational problem has occurred. ■ Notice - Enables syslogs. ■ Unchecked - If the device is saved to the specified logging location. ■ Alert - The third highest warning level. ...
User Guide
Page 171
... are selected automatically. The device is selected, all device features are uploaded. 2 Define the fields. 3 Click Apply. When a severity level is functioning, but an operational problem has occurred. ■ Note -
... are selected automatically. The device is selected, all device features are uploaded. 2 Define the fields. 3 Click Apply. When a severity level is functioning, but an operational problem has occurred. ■ Note -
User Guide
Page 192
.... With the problem known, the effect of the problem must be determined. Once the problem is quantified, the solution is recorded with all known results from the problem. Solutions are some possible troubleshooting problems and solutions. D TROUBLESHOOTING Problem Management Troubleshooting Solutions This section describes problems that may arise when installing the and how to switch management using the...
.... With the problem known, the effect of the problem must be determined. Once the problem is quantified, the solution is recorded with all known results from the problem. Solutions are some possible troubleshooting problems and solutions. D TROUBLESHOOTING Problem Management Troubleshooting Solutions This section describes problems that may arise when installing the and how to switch management using the...
User Guide
Page 193
...or be correctly installed. Self-test exceeds 15 seconds The device may already be open. LED is properly connected to the switch, and to -pin straight/flat cable Reconfigure the emulation software connection settings. Software settings Response from the terminal emulation software ...off. Verify that does not help, consult your management station is disconnected. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; power Power is plugged into the appropriate VLAN to management using the web, the maximum number...
...or be correctly installed. Self-test exceeds 15 seconds The device may already be open. LED is properly connected to the switch, and to -pin straight/flat cable Reconfigure the emulation software connection settings. Software settings Response from the terminal emulation software ...off. Verify that does not help, consult your management station is disconnected. Troubleshooting Solutions 193 Table 12 Troubleshooting Solutions Problems Possible Cause Solution Switch does not run; power Power is plugged into the appropriate VLAN to management using the web, the maximum number...
User Guide
Page 194
... the console Check pinout and replace if necessary Fiber optical cable connection is reversed Change if necessary. 194 APPENDIX D: TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Possible Cause Device is in the NMS application, and change setting if necessary Contact...
... the console Check pinout and replace if necessary Fiber optical cable connection is reversed Change if necessary. 194 APPENDIX D: TROUBLESHOOTING Table 12 Troubleshooting Solutions (continued) Problems Possible Cause Device is in the NMS application, and change setting if necessary Contact...
User Guide
Page 212
... the success of your network. You must first register your warranty benefits, you to your networking projects. Solve Problems Online 3Com offers the following support tool: ■ 3Com Knowledgebase - This query-based interactive tool is located at : http://eSupport.3com.com/ 3Com eSupport services are available to manage your installation with minimal disruption to troubleshoot...
... the success of your network. You must first register your warranty benefits, you to your networking projects. Solve Problems Online 3Com offers the following support tool: ■ 3Com Knowledgebase - This query-based interactive tool is located at : http://eSupport.3com.com/ 3Com eSupport services are available to manage your installation with minimal disruption to troubleshoot...
User Guide
Page 216
...suggestions. If necessary, the user should consult the dealer or an experienced radio/television technician for the Baseline Switch 2916/2924-SFP Plus family (3CBLSG16 and 3CBLSG24) at http://support.3com.com/doc/BL_SWITCH_2916/2924_SFP_EU_DOC.pdf Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345...; Plug the equipment into a different outlet so that equipment and receiver are designed to Identify and Resolve Radio-TV Interference Problems This booklet is likely to cause harmful interference to radio communications, in which case the user will be used in which...
...suggestions. If necessary, the user should consult the dealer or an experienced radio/television technician for the Baseline Switch 2916/2924-SFP Plus family (3CBLSG16 and 3CBLSG24) at http://support.3com.com/doc/BL_SWITCH_2916/2924_SFP_EU_DOC.pdf Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345...; Plug the equipment into a different outlet so that equipment and receiver are designed to Identify and Resolve Radio-TV Interference Problems This booklet is likely to cause harmful interference to radio communications, in which case the user will be used in which...