Hitachi AMS 2100, Hardware Manual

Page: 89 / 306

Hardware components
4–17
Hitachi AMS 2100/2300 Storage System Hardware Guide
AMS 2300 Rev2 Fibre channel control unit RKEM
As described earlier, the controllers in each model base unit are different.
The main differences between the control units is the number of Fibre
Channel ports and the amount of cache memory (RAM) installed in the
2
LOC
(orange)
When adding the chassis with the power turned on, indicates
the addition source (not an error).
Determine the type of error by the number of times the LED
blinks.
• Not blinking: Boot section error of ENC microprogram, RAM
error, or ENC hard configuration error.
• 1: SRAM error
• 2: ENC hard error
• 3: Microprogram error in flash memory
• 4: CUDG error in ENC
• 6: Voltage on the control unit is abnormal. Reset of the
control unit is not canceled.
3
RST
(orange)
ON: the control unit is resetting.
4
C-PWR
(green)
ON: cache memory is backed up.
5
ACT/Active
(yellow)
ON: data is being transferred.
6
LINK
(green)
ON: the link status is normal.
7
HALM ON: the host connector is abnormal.
8
GP1
(green)
ON: the status of the interface is normal.
9
GP0
(green)
ON: the status of the interface is normal.
Item LED Function