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Make sure these connections are snug. 2. Verify the PoE PSE is supplying sufficient power from a port that has an appropriate PoE priority. 3. Try power cycling the switch by unplugging and plugging in the power. 4. 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. If the power source is OK and this condition persists, the switch’s power adapter may have failed. Call your ProCurve Networking authorized network reseller, or use the electronic support services from ProCurve Networking to get assistance. See the Software License, Warranty and Support booklet for more information. Troubleshooting Testing the Switch by Resetting It Tip Problem Solution The switch has experienced a hardware failure. . Try resetting the switch by pressing the Reset button on the front of the switch, or by power cycling the switch. If necessary to resolve the problem, contact your ProCurve Networking authorized network reseller, or use the electronic support services from ProCurve Networking to get assistance. See the Software License, Warranty and Support booklet for more information. The network port for . which the Link LED is blinking has experienced a self test or initialization failure. Try power cycling the switch. If the fault indication reoccurs, the switch port may have failed. To confirm, try a different port that appears to be good. Call your ProCurve Networking authorized network reseller, or use the electronic support services from ProCurve Networking to get assistance. See the Software License, Warranty and Support 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 do not resolve the problem, try using a different port or a different cable. 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 the switch, unplug and plug in the AC power adapter (power cycling) Power cycling the switch will cause the switch to perform its power-on self test. Resetting the switch can also be invoked from the Web interface. Restoring to Factory Defaults You can restore the factory default configuration on the switch by pressing the Reset and Clear buttons. To execute the factory default reset on the switch, perform these steps: 1. Using a small, thin tool with blunt ends (such as a paper clip), simultaneously press both the Reset and Clear buttons on the front of the switch. 2. Continue to press the Clear button while releasing the Reset button. 3. When all three Mode LEDs (Act, FDx, and Spd) begin to blink, release the Clear button. Troubleshooting HP Customer Support Services The switch will then complete its self test and begin operating with its configuration restored to the factory default settings. 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. 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 Software License, Warranty and Support 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. 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 the front of the switch • details about the switch’s status includ-Web interface ing the operating software (OS) version, a copy of the switch configuration, and contents of the Support file • copy of your network topology map, in-your network records cluding network addresses assigned to the relevant devices A Switch Specifications Physical Width: 19.6 cm (7.7 in) Depth: 13.4 cm (5.3 in) Height: 4.4 cm (1.73 in) Weight: 0.54 kg (1.19 lbs) Electrical ¦ Power adapter module (5188-6700) specifications: AC Input Voltage: 100-240 V Maximum AC Input Current: 0.5 A AC Input Frequency Range: 50-60 Hz DC Input Voltage: 12 ± 10% volts Maximum DC Inpu...