Express Ethernet Switch
Trouble-shooting Guide
This trouble
No Power to the Switch.
Symptom: Power cord is connected to the switch, but all LEDs, including the Power LED, are off.
Possible Problem
Solution
Loose power connection or faulty power supply
1.Check both ends of the power cord to make certain that they are securely connected to the power receptacle on the switch and to t he power outlet.
2.Verify that the power outlet has power.
No Connectivity to the Data Terminal Equipment.
Symptom: An Ethernet switch cannot communicate to the directly connected computers or network segments.
Possible | Solution | ||
Problem | |||
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| 1. | Check cables for a secure connection. | |
| 2. | Verify that the correct type of cable is in use. | |
| ?? | For connection to a PC or a network interface card (NIC), use a | |
| ?? | For uplink to another switch or hub, use a | |
Incorrect or faulty |
| to the uplink port with the uplink button activated. | |
| Refer to Table 9 for cable specifications. | ||
cabling | ?? | ||
| 1. Verify proper cable preparation. | ||
| 2. Use a time domain reflectometer (TDR) or other | ||
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| shorts, or other problems. | |
| 3. Swap the cable with another of the same kind to see if the cable is bad. | ||
| ?? | Replace or fix the faulty cable as necessary. | |
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Dysfunctional NIC | Run the diagnostic supplied by the vendor on the NIC to determine if it is functioning properly. If it is not, replace | ||
on a PC or | it. |
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workstation |
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Packet Overflow or | Reset the switch by pressing the reset button or turn the switch off, then on again. | ||
Hardware problem |
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No Connectivity to Certain Nodes on the Network
Symptom: Data terminal equipment (DTE) connected to the switch can not send or receive information from certain segments on the same network or across to another LAN or WAN.
Possible
Problem
Hardware problem
Solution
Check for a damaged
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