30
C
HAPTER
1: I
NTRODUCTION
Flash codes for disk problems:
■
2 flashes
: No valid disk (system is halted).
■
3 flashes
: Two valid disks, but they are not paired
(system is halted).
■
4 flashes
: Configuration problem (system is
halted).
■
5 flashes
: Two disks present, but no mirroring
license installed. System is running but the system
is not using the second disk.
N/A
Flashing
Flashing
Using disk 0 (zero) only
N/A
On
Off
Using disk 1 only
N/A
Off
On
Synchronizing — disk 0 is valid, disk 1 is becoming a
fully mirrored disk. LED 3 flash rate indicates
progress.
If LED 3 stops normal flashing and intermittently
flashes twice, the mirroring process has failed.
N/A
On
Flashing
Synchronizing — disk 1 is valid, disk 0 is becoming a
fully mirrored disk. LED 2 flash rate indicates
progress.
If LED 2 stops normal flashing and intermittently
flashes twice, the mirroring process has failed.
N/A
Flashing
On
LED 2 and LED 3 flash alternately: the two disks are
resynchronizing
N/A
Flashing
Flashing
Synchronized
N/A
On
On
Explanation
S1
S2
S3
Summary of Contents for NBX
Page 20: ...20 ABOUT THIS GUIDE ...
Page 78: ...78 CHAPTER 1 INTRODUCTION ...
Page 120: ...120 CHAPTER 2 INSTALLING SYSTEM HARDWARE COMPONENTS ...
Page 142: ...142 CHAPTER 4 ANALOG LINES ...
Page 162: ...162 CHAPTER 8 T1 DIGITAL LINE CARD ...
Page 192: ...192 CHAPTER 10 CONFIGURING IP TELEPHONY ...
Page 198: ...198 CHAPTER 11 TROUBLESHOOTING ...
Page 222: ...222 APPENDIX A SPECIFICATIONS ...