KBC Networks ESUL5 - Manual (Page 11)

Ethernet Switch User Manual
Manual-ESUL5_Series_HW-Rev0611A
Copyright © KBC Networks Ltd. Page 11 of 15 www.kbcnetworks.com
3 Troubleshooting
3.1 Self-testing
When the device is powered on, all LEDs on the front panel will flash once, indicating
that the ports are running normally and the Power (PWR1/2) indicator lights will be
illuminated.
3.2 Twisted Pair Port Testing
As shown in Figure 3.1, with the switch powered on, connect two RJ45 ports from
the switch to two test computers and send the “ping” command between each
computer. If both the computers receive the complete command without packet loss
and the green LED flashes, this means that the two RJ45 ports are working correctly.
Test the other RJ45 ports as required, using the same method. During normal
operation the green ACT LED will flash to show data transfer and the yellow LINK
LED will either be off to show 10Mbps (10BASE-T) operation or on to show 100Mbps
(100BASE-TX) operation.
PC1
PC2
Figure: 3.1 Testing TP ports