Netgear ETHERNET SWITCH SW108 User Manual Page 26
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- Table of contents
- TROUBLESHOOTING
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Installation Guide for the Model SW108 Ethernet Switch
5-2 Troubleshooting
Port connection
not functioning
Link LED off or
intermittent
After the cabling has been installed, if the Link LED is not lit on
an active port, check the attached device and make sure that it
is powered on and there is a proper UTP connection at that
end. Also make sure that the proper cable is installed, and
check for miswired cable pairs or loose connectors.
If the Link LED is on intermittently, check the port termination at
both the switch and device ends. Check the crimp on the RJ-45
connectors.
Check that the length of the UTP cable from the switch to the
device does not exceed 328 feet (100 meters). Using cable test
equipment, check that the cable meets the specifications as
required by the 10BASE-T standard. Refer to Chapter C,
“Cabling Guidelines,” for information on cable specifications.
Make sure the network adapter card installed in the PC is in
working condition.
Make sure that there is power to both the switch and the
connected PC.
Problems with port 8
on the Model SW108
switch
Link LED off Check the Normal/Uplink push button on the front panel.
If you are using a straight-through cable connected to a PC or
other MDI-wired device, make sure the Normal/Uplink push
button is set in the Normal position.
If you are using a straight-through cable connected to a router
or another switch, make sure the Normal/Uplink push button is
set in the Uplink position.
Try the alternate position of the Normal/Uplink push button to
turn the Link LED on.
Refer to Chapter C, “Cabling Guidelines,” for cable information.
Table 5-1. Troubleshooting (continued)
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SW108.BK Page 2 Friday, June 27, 1997 10:48 AM
- Installation Guide for 1
- Ethernet Switch 1
- Warning: 2
- Contents 5
- Chapter 1 9
- Introduction 9
- Types of Ethernet Switches 10
- Model SW108 Switch Overview 10
- Features 11
- Normal/Uplink 13
- Ethernet Ports 14
- Normal/Uplink Push Button 14
- Table 2-1. LED descriptions 15
- Physical Description 2-3 15
- Rear Panel 16
- Chapter 3 17
- Applications 17
- Desktop Switching 18
- 1234 5678 19
- Chapter 4 21
- Installation 21
- Verifying Installation 23
- Chapter 5 25
- Troubleshooting 25
- 5-2 Troubleshooting 26
- Appendix A 27
- Technical Specifications 27
- A-2 Technical Specifications 28
- Environmental Specifications 28
- Electromagnetic Emissions 28
- Technical Specifications A-3 29
- Performance Specifications 29
- 12345678 31
- B-2 Connector Pin Assignments 32
- Appendix C 33
- Cabling Guidelines 33
- Twisted Pair Cables 34
- Cabling Guidelines C-3 35
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