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GigaX3112 Series Layer 3 Managed Switch
7.3 Simple fixes
The following table lists some common problems that you may encounter when
installing or using the switch, and the suggested actions to solve the problems.
Table 9. Troubleshooting
Problem
LEDs
SYSTEM LED does
not light up after the
switch is turned on.
RPS LED does
not light up after a
redundant power
supply is attached.
FAN LED is
amber blinking
Gigabit Ethernet
Link LED does
not illuminate after
an Ethernet cable
is attached.
Network Access
PC cannot access
another host in the
same network
PCs cannot display
web configuration
pages.
96
Suggested Action
Verify if the power cord is securely connected to
the switch and a wall socket/power strip.
1. Verify if the RPS cable is securely connected to the RPS
connector and a wall socket/power strip.
2. Make sure that the RPS meets with the standards provided
in the RPS section.
Check the fans on the back of the switch. If any of the
fans is defective, refer to section 7.2 to replace the fan.
1.Verify if the Ethernet cable is securely connected to your LAN
switch/hub/PC and to the switch. Make sure the PC and/or hub/
switch is turned on.
2.Verify if your cable is sufficient for your network requirements.
A 1000 Mbps network (1000BaseTx) should use cables labeled
Cat 5. 10Mbit/sec cables may tolerate lower quality cables.
1.Check the Ethernet cabling is good and the LED is green.
2.If the port LED is amber, check if this port is disabled. You
may experience a disconnected network in a short period
(around 1 minute) if you just turned on the STP.
1.The switch is powered up and the connecting port is enabled.
The factory default IP for the switch is 192.168.1.1.
2.Verify your network setup in your PC for this information.
If your PC does not have a valid route to access the switch,
change the switch IP to an appropriate IP that your PC can
access.
3.Ping "switch IP" from the PC, if it still fails, repeat step 2.
4.If ping is successful but the web configuration still fails,
connecting PC through the console port by a RS232 or USB,
check if any filter rule or static MAC address is set to block the
WEB traffics.
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