6TROUBLESHOOTING AND DIAGNOSTICS

Troubleshooting the Installation 53

 

Accessing 3Com Support Databases

54

 

Accessing the 3Com Knowledgebase

54

Accessing the 3Com NIC Help System

54

Accessing Release Notes and Frequently Asked

Questions 55

 

 

 

 

Interpreting the LEDs

56

 

 

 

Running the NIC Diagnostics Tests

57

 

To Run the Network Test

58

 

 

To Run the NIC Test

59

 

 

 

To Run the Remote Wake-Up Test

59

 

Troubleshooting Remote Wake-Up

61

 

Viewing Network Statistics

62

 

 

Using the 3Com Icon in the Windows System Tray 63

Removing NIC Software 64

 

 

 

Windows 95 and Windows 98

64

 

Windows NT 4.0

64

 

 

 

Windows NT 3.51

65

 

 

 

Frequently Asked Questions

66

 

 

ASPECIFICATIONS AND CABLING REQUIREMENTS

Hardware Specifications

69

 

Network Interface

69

 

Physical Dimensions

69

 

Environmental Operating Range

69

Power Requirements

69

 

Standards Conformance

70

 

Cabling Requirements

70

 

Twisted-Pair Cable

70

 

10BASE-T Operation

71

 

100BASE-TX Operation 72

 

RJ-45 Connector Pin Assignments

72

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3Com 3C905C-TX-M, 3C905C-TX manual Troubleshooting and Diagnostics