HP Disk System 2300 HP StorageWorks Disk System 2300 User's Guide(This manual - Page 102

BCC A & B DIP switch settings, Peer BCC DIP switch settings

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LED states are described in Table 11: Table 11. LED Functions LED State Indication System Power Green Power is on System Fault OFF Amber Power is off Self-test1 / Problem2 OFF Normal operation BCC Fault Flashing Amber BCC A & B DIP switch settings do not match. Self-test1 / Fault OFF Normal operation Flashing Peer BCC DIP switch settings do not match or BCC not installed properly Term. Pwr. Green Termination power is available from the host. Flashing Activity on the bus OFF There is no termination power. Full Bus Green Disks are on a single bus of 14 addresses. OFF Disks are split between two buses, seven addresses each 1 Start-up and self-tests occur briefly when the unit is powered on. 2 A component has failed; temperature or voltage is out of normal range. See Isolating Faults on page 104 3 When a disk is installed with power on, its activity LED blinks on momentarily indicating a SCSI bus reset. When the disk is ready, the LED blinks once and turns off. Thereafter, it flashes when there is I/O to the disk. 102 Troubleshooting

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102
Troubleshooting
LED states are described in Table 11:
Table 11.
LED Functions
LED
State
Indication
System Power
Green
Power is on
OFF
Power is off
System Fault
Amber
Self-test
1
/ Problem
2
OFF
Normal operation
Flashing
BCC A & B DIP switch settings
do not match.
BCC Fault
Amber
Self-test
1
/ Fault
OFF
Normal operation
Flashing
Peer BCC DIP switch settings
do not match or BCC not installed properly
Term. Pwr.
Green
Termination power is available
from the host.
Flashing
Activity on the bus
OFF
There is no termination power.
Full Bus
Green
Disks are on a single bus of 14
addresses.
OFF
Disks are split between two buses,
seven addresses each
1
Start-up and self-tests occur briefly when the unit is
powered on.
2
A component has failed; temperature or voltage is out of
normal range. See Isolating Faults on page 104
3
When a disk is installed with power on, its activity LED
blinks on momentarily indicating a SCSI bus reset. When
the disk is ready, the LED blinks once and turns off.
Thereafter, it flashes when there is I/O to the disk.