Specifications
Power Specifications
47
Power Specifications
The desktop LTO-1 and LTO-2 drives come with a built-in 90-260VAC (47-63 Hz) automatic switch-
ing power supply.
Maximum voltage and power specifications for the internal LTO-1 and LTO-2 drives are listed in the
tables below. Specifications are the same for SCSI and Fibre Channel drives unless otherwise noted.
Table 9. Voltage and Current
Specification
+12 VDC
+ 5VDC
DC Voltage Tolerance
+ or – 10%
+ or – 5%
Non-operating max voltage
14 Volts peak
7 Volts peak
Max operating current – LTO-1
Continuous:
Ultra2 SCSI LVD;
Ultra SCSI HVD
Peak:
1.0 amps RMS
1.0 amps RMS
3.0 amps
(1 sec max)
3.5 amps max RMS*
4.0 amps max RMS*
N/A
Max operating current – LTO-2
Continuous:
Ultra2 SCSI LVD;
Ultra SCSI HVD
Peak:
1.2 amps RMS
1.0 amps RMS
4.0 amps
(1 sec max)
4.0 amps max RMS*
4.0 amps max RMS*
N/A
Standby current (max) – LTO-1
Ultra2 SCSI LVD; Ultra SCSI HVD
Fibre Channel
0.5 amps RMS
0.5 amps RMS
2.0 amps RMS*
2.5 amps RMS*
Standby current (max) – LTO-2
Ultra2 SCSI LVD; Ultra SCSI HVD
Fibre Channel
0.5 amps RMS
0.5 amps RMS
1.0 amps RMS*
2.5 amps RMS*
Ripple (peak-to-peak)
< 100 mV
< 100 mV
* RMS parameters measured at the power connector using a true RMS digital meter.
Table 10. Power Dissipation
Specification
LTO-1
LTO-2
Max Standby Power
Ultra2 SCSI LVD; Ultra SCSI HVD
Fibre Channel
14 watts RMS*
19 watts RMS*
17 watts RMS*
N/A
Max Continuous Operating Power
Ultra2 SCSI LVD; Ultra SCSI HVD
Fibre Channel
30 watts RMS*
32.5 watts RMS*
31 watts RMS*
N/A
