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User manual
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6. Troubleshooting
6.1 How to resolve the link LED off
The possible reasons as followings:
1.the power supply is off
2.the type of the cable is not right
3.the interface of Ethernet switch is trouble
6.2 Q&A
1.
Computer A can access computer B through Ethernet switch. However, computer A
can not access computer C.
9
Computer A and computer C are maybe not in the same VLAN. Please check the
VLAN configuration through console port.
9
The network has some problem including Computer C. please check LED
LNK/ACT of computer C and try to connect other device using this interface.
9
Please check the NIC configuration of computer C.
Appendix A
z
Standard straight line
z
Cross over line
A. Sketch map for cables
Standard straight line
HUB / Switch
NIC
Pin#
#
Pin #
#