IBM DDS Gen 5, User Manual

Page: 36 / 66

Mounting the Internal Tape Drive--Side and Bottom View
Power specifications
The following table lists the power specifications for the internal DDS Gen 5 drive.
Specification +12 VDC supply +5 VDC supply
Voltage tolerance + or - 10% operating + or - 7% operating
Operational current 250 milliamps max 1.35 Amps max
Standby current 15 milliamps max 1.2 Amps max
Surge (peak) 600 milliamps max 1.5 Amps max
Ripple (peak-to-peak)
≤
100 mV (peak-to-peak)
≤
100 mV (peak-to-peak)
Total power consumption is as follows:
Standby power 6.5 watts max
Operating power 8.7 watts typical, 10.0 watts max
Surge (start up) 20.0 watts max (instantaneous peak)
Note : When measured over a 20-msec period, the maximum surge power is 14.0 watts.
26
DDS Gen 5 Tape Drive: User’s Guide