Dau Controller - NEC S1300 User Manual

DAU Controller

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This Manual:http://www.manuallib.com/nec/s1300ug-disk-array-unit-user-guide.html
Figure 1-10 shows the features and indicators located on the rear of the DAU controller.
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LINKUP LED This LED lights green if the Disk Enclosure Fibre Channel (DE-FC)
(DE-LINK) connector (FC port) becomes operable (linked). This LED is off during
self-test or initialization, just after power-on.
FC Connector Connection between fiber channel controller and the host (HOST-FC).
This connector is used to connect the disk array unit to the basic
processing unit (host).
LINKUP LED This LED lights green while the FC interface with the host is operable.
(HOST LINK)
LINKUP LED This LED lights green if the respective disk module becomes operable
(DISK-LINK) (links up). This LED is off during the self-test or initialization, just after
power-on.
AL-PA switch This switch sets the address of the disk array unit as a fiber channel
device in the fiber channel loop.
At shipment, the addresses of CONT0 and CONT1 are set to "00" and
"01," respectively. Set AL-PA so that the address may not be the same
as that of another fiber channel device in the same host FC loop.
RS-232C The RS-232C connector is provided for maintenance of the disk array
connector unit.
Ejector This device is used to install and remove the controller.
DE-DIAG LED The DE-DIAG LED lights green when the controller is ready for
(green) diagnosis.
DE-DIAG The DE-DIAG connector is provided to connect a cable to the Disk
connector Enclosure (DE) for diagnosing (monitoring) functions in the DE..
FAULT LED The FAULT LED lights orange if a fault occurs in the controller.
(orange)
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Disk Array Unit Overview 1-19
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