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22 Ultrium Drives in Libraries
A thermocouple placed on the ASIC should not exceed 25°C over the ambient
air temperature while the drive is stream writing for at least one full hour.
Thus for an ambient temperature of 25°C, the U6 case lid should remain
under 50°C.
Electrical Fit
The drive is specified to operate at 5V±5% and 12V±10%.
Voltage and current requirement are as follows:
Rear Panel and Connectors
Caution Ultrium tape drives are not installable or replaceable by end-
users, so the attachment or removable of SCSI, power and ACI
cables between the tape drive and the tape library should only
be carried out be service-trained personnel authorized by the
tape library supplier. The connectors are not field upgradeable.
The rear panel contains the connector interface that allows the tape drive to
communicate with the tape library and host computer system. The panel
includes the following connectors:
3
A three-part SCSI connector.
This incorporates a 68-pin high density SCSI connector, a 4-pin power
connector and a 12-pin auxiliary connector used with jumpers to set the
SCSI ID. The SCSI and power connectors interface with appropriate cables
connected to the library bulkhead. The SCSI cables may be installed in a
daisy-chain configuration linking two or more Ultrium tape drives within
the library together on the same SCSI bus.
Specification 5V 12V
Maximum voltage 5.25V 13.2V
Minimum voltage 4.75V 10.8V
Maximum steady-state current 3.5A 1.0A
Maximum transient current 3.5A 2.5A
Maximum steady-state power 17.5W 12W
Maximum transient power 17.5W 30W
Maximum noise/ripple 150 mVpp 150 mVpp