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Check in the table below for the LED pattern you see on your switch. 2. Refer to the corresponding diagnostic tip on the next few pages. LED Pattern Indicating Problems Diagnostic Tips Power Port LED (in Link view mode) Off with power cord plugged in * . On Off with cable connected . * This LED is not important for the diagnosis. Diagnostic Tips: Tip Problem Solution The switch is not plugged into an active AC power source, or the switch’s power supply may have failed. . 1. Verify the power cord is plugged into an active power source and to the switch. Make sure these connections are snug. 2. Try power cycling the switch by unplugging and plugging the power cord back in. 3. If the Power LED is still not on, verify that the AC power source works by plugging another device into the outlet. Or try plugging the switch into a different outlet or try a different power cord. If the power source and power cord are OK and this condition persists, the switch power supply may have failed. Call your ProCurve Networking authorized network reseller, or use the electronic support services from ProCurve Networking to get assistance. See the Customer Support/Warranty booklet for more information. The network connection is not working properly. . Try the following procedures: • For the indicated port, verify that both ends of the cabling, at the switch and the connected device, are secure. • Verify the connected device and switch are both powered on and operating correctly. • Verify that the connected devices comply with the appropriate IEEE 802.3 standard, including transmission of the Link signal. If the other procedures don’t resolve the problem, try using a different port or a different cable. Troubleshooting 4-2 Troubleshooting Forgotten the IP Address or Password Forgotten the IP Address or Password If you have forgotten the switch’s IP address or administration password you can return the switch to its factory default state by doing the following: 1. Remove the power cord from the back of the switch. 2. Remove all cables from the front-panel ports. 3. Connect port 1 to port 2 on the front panel using a standard network cable. 4. Reconnect the power cord to the rear of the switch. 5. Wait at least 40 seconds before disconnecting port 1 from port 2. After completing this procedure, there will be no password, the IP address will be returned to the default 192.168.2.10, and all configuration settings will be returned to factory defaults. Testing the Switch by Resetting It If you believe the switch is not operating correctly, you can reset the switch to test its circuitry and operating code. To reset a switch: ¦ Unplug and plug in the power cord (power cycling) Power cycling the switch cause the switch to perform its power-on self test, which almost always will resolve any temporary operational problems. These reset processes also cause any network traffic counters to be reset to zero, and cause the System Up Time timer to reset to zero. HP Customer Support Services If you are still having trouble with your switch, ProCurve Networking offers support 24 hours a day, seven days a week through the use of a number of automated electronic services. See the Customer Support/Warranty booklet that came with your switch for information on how to use these services to get technical support. The ProCurve Networking Web site, also provides up-to-date support information. Additionally, your ProCurve Networking authorized network reseller can provide you with assistance, both with services they offer and with services offered by ProCurve Networking. Troubleshooting 4-3 Troubleshooting Troubleshooting HP Customer Support Services Before Calling Support Before calling your networking dealer or HP Support, to make the support process most efficient, you first should have retrieved the following information: Information Item Information Location • product identification, including mini- GBICs the front of the switch, and on labels on the mini-GBICs Web interface • details about the switch’s status including the software (OS) version, a copy of the switch configuration, and any available port statistics information. • copy of your network topology map, including network addresses assigned to the relevant devices your network records 4-4 A Switch Specifications Physical Width: 44 cm (17.42 in) Depth: 17 cm (6.74 in) Height: 4.4 cm (1.73 in) Weight: 1.97 kg (4.32 lbs) Electrical The switch automatically adjusts to any voltage between 100-240 volts and either 50 or 60 Hz. AC voltage: 100-127 volts, 200-240 volts Maximum current: 0.75 A, 0.4 A Frequency range: 50-60 Hz Environmental Operating Non-Operating Temperature: 0 ° C to 40 ° C (32 ° F to 104 ° F) -40 ° C to 70 ° C (-40 ° F to 158 ° F) Relative humidity: 10% to 90% at 40 ° C (104 ° F) 10% to 90% at 65 ° C (149 ° F) (non-condensing) Maximum altitude: 3048 m (10,000 ft) 3048 m (10,000 ft) Switch Specifications A-1 Switch Specifications Switch Specifications Connecto...