Troubleshooting; How To Resolve The Link Led Off; Q&A; Sketch Map For Cables - Raisecom ISCOM 1005M User Manual

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.
Computer A and computer C are maybe not in the same VLAN. Please check the
VLAN configuration through console port.
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.
Please check the NIC configuration of computer C.
Appendix A
Standard straight line
Cross over line
A. Sketch map for cables
Standard straight line
HUB / Switch
Pin# #
13
User manual
NIC
Pin # #