Ams 2100 Fibre Channel Control Unit - Hitachi AMS 2100 Hardware Manual

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
control units.
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
Table 4-9: Control Unit Connectors and LEDs (Fibre Channel AMS 2100)
Item Description
Fibre channel host

connectors
(2 per controller)
Fibre Channel HALM
(Host Alarm) -
indicates that the host
connector is abnormal.

GP0 LED/GP1 LEDs
(green) - indicate that
the interface is
normal.

Lock Lever (2 places)
Alarm LED (red)

Indicates that the
control unit has failed.
LOC LED (orange)

See Table 4-16 on
page 4-21
Figure 4-8 shows the lower control unit of an AMS 2100 /RKS
Item
Reset Button

Resets the control unit and
performs a full dump.
Reset LED

Blinks while the control unit
is resetting
C- Power LED

on, indicates that cache
memory is backed up.
Left connector
Maintenance (LAN 0)
Right connector:10/100
Ethernet management port
(LAN 1)

ACT LED (yellow) indicates
data is being transferred.
LINK LED
indicates that the link status
is normal.
Hardware components
Hitachi AMS 2100/2300 Storage System Hardware Guide
2100)
Description Item

(orange)
(green) When
(green) When ON,
Description
ENC Connector 0 IN
(Path 0)
ENC Connector 1 IN
(Path 1)
Battery Expansion Unit
Connector (not
supported)
Uninterruptable Power
Supply Connector
4–11