Hitachi AMS 2000 Series Service Manual page 66

Control unit LEDs, connectors, and switches - AMS 2500
Figure 1-23
upper control unit is identical, but is installed in the base unit upside down.
Figure 1-23: AMS 2500 Control Unit Connectors and LEDs
Table 1-15: AMS 2500 Control Unit Connectors and LEDs
Item Description
Fibre channel host
1
connectors
(8 per controller)
Fibre Channel HALM
(Host Alarm) -
indicates that the host
connector is abnormal.
2
GP0 LED/GP1 LEDs
(green) - indicate that
the interface is
normal.
3
Lock Lever (2 places)
Alarm LED (red)
4
Indicates that the
control unit has failed.
LOC LED (orange)
5
page 1-25
See
1–26
shows the control unit of an AMS 2500/RKHE2 base unit. The
Item
RST (Reset) Button
6
Resets the control unit and
performs a full dump.
Reset LED
7
Blinks while the control unit
is resetting
C- Power LED
8
on, indicates that cache
memory is backed up.
Maintenance Port (LAN 0)
• ACT LED (yellow)
indicates data is being
9
transferred.
• LINK LED
ON, indicates that the
link status is normal.
10/100 Ethernet
management port
• ACT LED (yellow)
indicates data is being
transferred.
• LINK LED
ON, indicates that the
link status is normal.
Connector Path 0 to ENC
unit IN
Introduction
Hitachi AMS 2000 Family Storage System Service Guide
Description Item
(orange)
(green) When
(green) When
(LAN 1)
(green) When
Description
Connector Path 1 to
ENC unit IN
Connector Path 2 to
ENC unit IN
Connector Path 3 to
ENC unit IN
Uninterruptable Power
Supply Connector
Battery Expansion Unit
Connector
Remote Adapter
connector