L3 Communications Targa 4 Series, Technical Reference And Installation Manual

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TARGA SYSTEMS
S4 SATA & USB DTU Installation Guide 32003444 Rev A
2
2 Specifications
2.1 Interface Characteristics
USB Interface SATA Interface
USB Mass Storage Class, Bulk Only
USB 2.0
High Speed (480Mbps)
USB 1.1 Full Speed (120Mbps)
SATA 1.5Gbit/sec (SATA 1)
Transfer Rates * USB 2.0
Sustained Read > 10 MB/sec
Sustained Write > 10 MB/sec
Transfer Rates *
Sustained Read > 25 MB/sec
Sustained Write > 15 MB/sec
Max Cable Length 5 m Max Cable Length 1 m
* Transfer rates are dependent on the SATA “disk ID” type and the data transfer
block size. Rates as stated were measured for a 10MByte transfer using a
16KByte block size.
2.2 Input Power Characteristics
Data Transfer Unit Ground Support
Unit
28 Vdc 5 Vdc AC
RTCA DO160C/Sect 16 CAT Z
Operation
22 - 29.5 Vdc
(18 emergency low)
Ripple 2v rms
Interrupt 1 sec
Surge 50Vdc 50ms / 12vdc 30ms
Undervoltage 10v 15sec
Abnormal
Operation
20 - 32.2 Vdc
Surge 80Vdc 100ms / 48Vdc 1sec
Undervoltage 12v 7sec
Power
7.5 w * max
5 Vdc -3% +5%
Ripple 100mv
1.5 amp * max
110 - 260 VAC
Auto Select
50 - 60 Hz
10 w max
* Note: For higher capacity DTD’s the max power demand for the Clear / Sanitize
functions may exceed these limits. Contact Targa to review.
2.3 Physical Characteristics
2.3.1 Data Transfer Unit
USB SATA
DTU Form Factor
Case Size
Front Panel
ARINC MS25221C K=4
1.4”h x 5”w x 6.5”d
1.5”h x 5.75” w ARINC MS25221C K=5
1.9”h x 5”w x 6.5”d
1.8”h x 5”w
Weight (max)
900 g 975 g
Mounting
Standard DZUS rail mount, All orientations
Cooling Passive, free air convection