Template:Networking device manual unmanaged switch recovery troubleshooting: Difference between revisions
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Latest revision as of 06:27, 27 April 2020
Summary
{{{name}}} is an unmanaged switch without active operating system running to control inside processes. All work is done by integrated chips, which has built-in logic to control switching and PoE operations.
This chapter contains information of possible recovery and troubleshooting options for a {{{name}}} unmanaged switch.
Ethernet port LEDs not lighting up
-
- Issue
- {{{name}}} green Ethernet port LED is not lighting up (orange LED lit)
- Solution
- {{{name}}} switch green Ethernet port LED indicates Gigabit connection with device. Check if connected device network card supports Gigabit speeds or software configuration is not limited to 10/100 Mbps.
-
- Issue
- Connected device is not powered up
- Solution
- Check if connected device is powered up and working properly
-
- Issue
- Bad cabling between {{{name}}} and connected device
- Solution
- Use other Ethernet cable to connect {{{name}}} with device
-
- Issue
- Defected {{{name}}} Ethernet port
- Solution
- Use other free {{{name}}} Ethernet port to connect switch with device. If device establishes connection with {{{name}}} using other Ethernet port, {{{name}}} is defective and must be sent for service inspection and repairs. Check [[{{{name}}}_Device_Recovery_and_Troubleshooting_Options#RMA | RMA]] section for further instructions
-
- Issue
- Defected {{{name}}} switch
- Solution
- If {{{name}}} Ethernet port LED are not lighting up after doing above mentioned actions, {{{name}}} is defective and must be sent for service inspection and repairs. Check [[{{{name}}}_Device_Recovery_and_Troubleshooting_Options#RMA | RMA]] section for further instructions
Connected devices have no internet
-
- Issue
- Connected router/modem do not have internet connection
- Solution
- Check connected router/modem users manual how to diagnose and troubleshoot internet connection issue
-
- Issue
- Bad cabling between {{{name}}} and router/modem
- Solution
- Check cabling from {{{name}}} to router/modem. If link between devices is established, orange LED at connected Ethernet port must be lit (LEDs meaning). If LED has not lit, change Ethernet cable, connect other router/modem and check again
-
- Issue
- Bad cabling between {{{name}}} and connected device
- Solution
- Check cabling from {{{name}}} to connected device. If link between devices was established, orange LED at connected Ethernet port must be lit (LEDs meaning). If LED has not lit, change Ethernet cable and check again
-
- Issue
- Defected {{{name}}} switch
- Solution
- Connect device directly to router/modem and check if internet connection was established. If device gets access to internet, when directly connected to router/modem. Try turn switch off and on (restart), if issue persists, {{{name}}} is defective and must be sent for service inspection and repairs. Check [[{{{name}}}_Device_Recovery_and_Troubleshooting_Options#RMA | RMA]] section for further instructions
Connected device not powered via PoE
-
- Issue
- Connected device to {{{name}}} is not powered via PoE
- Solution I
- Check if connected device supports 802.3af and/or 802.3at PoE standard(s)
- Solution II
- Check if {{{name}}} is powered with PSU, which outputs 44 VDC or higher voltages and can provide at least 2 W + connected device needed power
-
- Issue
- All PoE devices and switch lost power after connecting more than two device to {{{name}}}
- Solution
- {{{name}}} supports 802.3at standard, were each port can supply up to 30 W of power at PSE with total power budget of 120 W per all 4 ports. Standard PSU, which comes in the box with {{{name}}}, provides ~65 W power and limits power budget to ~60 W. If all connected devices to PoE ports combined required more that 60 W of power, PSU was overloaded and turned itself off.
If full 120 W power budget is necessary, {{{name}}} must be powered with PSU, which can provide at least 130 W power at 44 VDC or higher voltages
RMA
If conventional recovery methods do not help, you may need to send the device to warranty for repair. The warranty process is described here.
[[Category:{{{name}}} Manual]]