Hardware components
4–11
Hitachi AMS 2100/2300 Storage System Hardware Guide
AMS 2100 Fibre channel control unit
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
shows the lower control unit of an AMS 2100 /RKS
base unit. The upper control unit is identical but is installed in the base unit
upside down.
Figure 4-8: Control Unit Connectors and LEDs (Fibre Channel AMS
2100)
Table 4-9: Control Unit Connectors and LEDs (Fibre Channel AMS 2100)
Item
Description
Item
Description
Item
Description
(2 per controller)
Reset Button
Resets the control unit and
performs a full dump.
ENC Connector 0 IN
(Path 0)
Fibre Channel HALM
(Host Alarm) -
indicates that the host
connector is abnormal.
GP0 LED/GP1 LEDs
(green)
- indicate that
the interface is
normal.
Reset LED
(orange)
Blinks while the control unit
is resetting
ENC Connector 1 IN
(Path 1)
C- Power LED
(green)
When
on, indicates that cache
memory is backed up.
Battery Expansion Unit
Connector (not
supported)
Lock Lever (2 places)
Left connector
Maintenance (LAN 0)
(LAN 1)
ACT LED (yellow) indicates
data is being transferred.
LINK LED
(green)
When ON,
indicates that the link status
is normal.
Uninterruptable Power
Supply Connector
Alarm LED
(red)
Indicates that the
control unit has failed.
LOC LED
(orange)
See
Summary of Contents for AMS 2100
Page 20: ...xx Preface Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 28: ...1 8 Introduction Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 50: ...1 30 Introduction Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 176: ...5 58 Installation Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 240: ...7 58 Configuration Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 278: ...10 6 Upgrading the firmware Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 292: ...B 6 Regulatory information Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 304: ...Index 4 Hitachi AMS 2100 2300 Storage System Hardware Guide ...
Page 305: ...Hitachi AMS 2100 2300 Storage System Hardware Guide ...