Dot Hill Systems II 200 FC - Manual (Page 103)

Chapter 6 Checking LEDs 6-5
A similar situation occurs when you add an expansion unit or JBOD and there is a
mismatch between the SES or PLD firmware of the RAID array and that of the
expansion unit, or between two expansion units.
See “Upgrading SES and PLD Firmware” on page 7-8 for information about
upgrading SES and PLD firmware.
6.3 Back-Panel LEDs
The back-panel LED colors indicate the conditions described in the following figures
and tables.
Note – To test that the LEDs work, using a paper clip, press and hold the Reset button
for 5 seconds. All the LEDs should change from green to amber when you perform this
test. Any LED that fails to light indicates a problem with the LED. When you release
the Reset button, the LEDs return to their initial state.
6.3.1 I/O Controller Module LEDs
Figure 6-3 shows the SANnet II 200 FC array I/O controller module and the LEDs on
its back panel.
Figure 6-3 SANnet II 200 FC Array I/O Controller Module and Battery Module
LEDs
Figure 6-4 shows the SANnet II 200 SATA array I/O controller module and the LEDs
on its back panel.
Ethernet active Ethernet link Battery
SFP link status
SFP speed
RAID controller status I/O activity Cache