
1.6.3 LED Definitions
Front Panel
LED
State
Color
Description
On
Green
System is turned on
On
Amber
System is turned off
Power
LED
Off Off
Power
off
On
Green
HDD power on
Blinking Green HDD
active
On Amber
HDD
error
Blinking Amber HDD
rebuild
HDD LED
Random
Green/
Amber
HDD locate
Blinking
Amber
LAN is active
LAN LED
off
off
No LAN is linked
ID LED
On
Blue
ID select on
Warning
LED
On
Red
Fan fail/PSU fail/Over
temperature/Over voltage
Rear I/O LED
LED
State
Color
Description
On
Green
Output On and OK
Blinking Green
AC present / Only 5Vsb on(PS
Off)
On Amber
No AC power to this PSU only
or Power supply critical event
causing a shutdown: failure,
fuse blown, OCP(12V),OVP(12
V), Fan failed
Blinking Amber
Power supply warning events
where the power supply contin-
-ues to operate: high temp,high
power / high current,slow fan.
Power sup-
ply module
Off Off
No AC power to all power suppl
-ies.
On
Green
10Mb/100Mb/1000Mb linked
Blinking Green 10Mb/100Mb/1000Mb
activity
RJ-45
Linkage/
Activity(left)
Off
Off
No LAN linked
On
Amber
1000Mb linked/ activity
On Green
100Mb linked/activity
RJ-45
Linkage/
Activity(Right)
Off
Off
10Mb mode or No LAN linked
16
Chapter 1: Overview
Summary of Contents for B4989
Page 1: ...Transport TN68 B4989 Service Engineer s Manual...
Page 2: ......
Page 27: ...1 6 6 System Block Diagram Chapter 1 Overview 19...
Page 30: ...22 Chapter 1 Overview...
Page 41: ...Chapter 2 Setting Up 33...
Page 43: ...5 Secure the holder to the chassis follow the above steps in reverse Chapter 2 Setting Up 35...
Page 50: ...42 Chapter 2 Setting Up...
Page 54: ...46 Chapter 3 Replacing Preinstalled Components...
Page 72: ...Rear View 64 Chapter 3 Replacing Preinstalled Components...
Page 86: ...Step 6 Connect the data cables 78 Appendix II Installing the Internal 2 5 HDD...
Page 92: ...84 Appendix IV Cable Connection Tables...
Page 96: ...88 Appendix V FRU Parts Table...