3Com 3C16897 8-slot DC Chassis Switch User Manual


 
4 CONTENTS
MAINTAINING SOFTWARE
Upgrading Software 55
Lost Passwords 63
Using the BOOT Menu 63
TROUBLESHOOTING
Troubleshooting the Configuration 67
Troubleshooting Power 67
Troubleshooting the Fan 68
Troubleshooting the Modules 68
MAINTAINING HARDWARE
Replacing a Power Module 69
Replacing a Power Supply 70
Replacing I/O Modules 71
Replacing the Fan Assembly 71
OBTAINING SUPPORT FOR YOUR SWITCH
Register Your Product to Gain Service Benefits 73
Purchase Value-Added Services 73
Troubleshoot Online 73
Access Software Downloads 73
Contact Us 74
Telephone Technical Support and Repair 74
SWITCH 7750 CABLES
Console Cable 77
AUX Cable 77
Electrical Port Connector 78
Optical Fiber Cable Connectors 79