Controller - NEC S2500 User Manual

Controller

(12) LINKUP LED (DL0)
(12) LINKUP LED (DL1)
(10) FC connector
(for additional disk
enclosure)
(15) DISK LINK LED
(1) FAULT LED (orange)
The FAULT LED lights orange if a fault occurs in the controller.
(2) BATTERY BACKUP LED (orange)
With no power supplies for the controller supplying power normally (such as the case of a power
interruption), the BATTERY BACKUP LED lights orange if the cache memory is subject to battery
backup.
The warning "Do not remove the controller while the "BAT" LED is on." is printed on
the CONT chassis. However, if you have performed the scheduled stop procedure
using the SHUTDOWN switch, you can replace the controller even while the
BATTERY BACKUP LED (BAT) is on.
(3) SVP LED (green)
The SVP LED flashes green when the Status Monitoring Processor (SVP) in the controller is operating
normally.
(4) DIR LED (green)
The SVP LED flashes green when the Director Control Processor (DIR) in the controller is operating
normally.
(5) MC ACS LED (green)
The MC ACS LED lights when the Event Logging Tool (SD) card is being accessed.
(14) ACCESS LED (HA1)
(13) LINKUP LED (HL1)
(14) ACCESS LED (HA0)
(13) LINKUP LED (HL0)
(11) FC connector
(for host bus
adapter)
(5) MC ACS LED
xxxvi
(1) FLT LED
(2) BAT LED
(3) SVP
LED
(9) LAN connector
(16) LAN LINK/ACT LED
(6)Slot for Event Logging Tool
(7) MODEM connector
(4) DIR LED
(17) Ejector
(8) MNT connector