User's Guide

4. Names and Functions of Parts
Express5800/R120d-1E User’s Guide
40
Chapter 1 General Description
Important Observe the following precautions whenever you use the auto rebuild feature.
 Do not turn off or reboot the server while a hard disk drive is being rebuilt.
 Wait at least 90 seconds before installing a hard disk drive after removing one.
 Do not replace a hard disk drive while another hard disk drive is being rebuilt.
4.7.8
LEDs for LAN connectors
The five LAN connectors provided at the rear of the server have two LEDs each.
 LINK/ACT LED (
1, 2, 3, 4, M)
This LED indicates the state of the LAN port.
LINK/ACT LED pattern Explanation
On (green) The server and hub are powered and properly connected
Flashing (green) The network port is being accessed.
Off Check the cable or connection
 SPEED LED (
1, 2, 3, 4, M)
This LED indicates which network interface is used.
– The four LAN connectors for data transmission support 1000BASE-T, 100BASE-TX, and 10BASE-T.
– Management LAN port supports 100BASE-TX and 10BASE-T.
SPEED LED pattern Explanation
On (amber) Operating with 1000BASE-T
On (green) Operating with 100BASE-TX
Off Operating with 10BASE-T
LINK/ACT
LED
4
M
3 2 1
SPEED
LED
LINK/ACT
LED
SPEED
LED
LINK/ACT
LED
SPEED
LED
LINK/ACT
LED
SPEED
LED
LINK/ACT
LED
SPEED
LED
LAN connectors for data transmission Management LAN
connector