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Products >> USB2.0 to Ultra SCSI Converter U2SCX

USB2.0 to Ultra SCSI Converter

Allows to use your favorite Ultra SCSI device as the latest USB2.0 device!
Allows to attach directly to SCSI 50P High-Density port.


This product has been DISCONTINUED.

Supports Windows Vista/7Supports MacOSX 10.6 Driver and Utility for Windows Vista/7 are now included in current package. If the package doesn't include Vista software CD-ROM, refer to Software Download Page.

Features | System Requirements | Certified SCSI devices | Specitications | Optional Items

  • Connect U2SCX to your SCSI device, and plug its USB cable to the USB port. Available to use in just a second.
  • Allows Hot-Swappable as an USB device. No need to restart the OS, open the case, install SCSI board, or change SCSI ID setting.
  • Fully compatible with both USB2.0-enabled port and USB1.1-enabled port. Automatically detected and mounted as an USB1.1 Full Speed device with USB1.1-enabled port.
  • U2SCX get it's own power through the Term Power pin from the SCSI device.
  • Supports High-speed USB2.0. Date transfer rate up to 480 Mbps.
    Fully compatible with various SCSI devices or SCSI based Application Software;
    Scanners, Film Scanners, CD-ROM, CD-R/W, DVD, Zip, Jaz, HDD, MO,VueScan, WinBench and more. Refer to "Certified SCSI Devices" below.
  • The U2SCX has two different operation mode and switches automatically.
    [USB mass storage mode]
    With Microsoft standard Mass Storage class driver. Supports only one SCSI device per one U2SCX.
    [SCSI emulation mode]
    With RATOC original driver. Supports up to seven SCSI devices in daisy per one U2SCX. You must use this mode for image scanners, film scanners or other SCSI devices except mass storage devices.
    *SCSI emulation mode is only for Windows.
  • Ultra-slim and compact design allows you to use with another SCSI connector either side-by-side or stacked.

CPU Pentium4 1500MHz
Memory 256 MB
HDD Seagate ST34501N (FAT32)
OS Windows 2000
Host Adapter
Test software
WinBench 99

System Requirements
  • Mac
    Works as an USB 2.0 device with USB 2.0 enabled Macintosh with Mac OS X 10.2.7 or later, 10.3, 10.4, 10.5, 10.6

  • Windows PC
    Windows 7 / Vista / XP / Me / 2000 / 98SE

    *Regarding Windows Vista software, refer to Software Download Page.
    *Note :USB 2.0 embedded controller or add in host adapter required for USB2.0 speed, otherwise it works as USB1.1 device.

  • SCSI device
    • Hi-Density 50 pin female SCSI-2 connector
    • Term-Power output capability
    • Single-End interface
    • Internal or external Terminator

Certified SCSI Devices

Bus interface [USB] USB 2.0/1.1
Data transfer rate [SCSI]
20 MB/sec with Ultra SCSI devices (synchronous)
10 MB/sec with FAST SCSI devices (synchronous)
5 MB/sec (asynchronous)
480 Mbps(High Speed)/12Mbps (Full Speed)
Connector Type [SCSI]
Hi-Density 50 pin Male SCSI-II connector
USB TypeA Plug with 1 meter (39') USB 2.0 certified cable.
Package includes

- U2SCX USB2.0 to UltraSCSI converter
- U2SCX software CD-ROM
- U2SCX software CD-ROM for Windows Vista
If the package doesn't include Vista software CD-ROM, refer to Software Download Page.
 [MacOS software]
  - SCSI Configuration Utility
 [Windows software]
  - Format Utility
  - SCSI Configuration Utility
- User's Guide

Physical characteristics 51 mm(W) x 52 mm(D) x 18 mm(H) 98 g
Operating requirements - DC +5V 300mA (Max).
SCSI device must provide the power through SCSI Termination Power output pin. If SCSI termination power is not available, you need to connect an OPTIONAL AC adapter (sold separately).

- USB Bus Power 2 mA (Max)

Temperature from 0°C to 55°C
Relative humidity 20-80% (Non-condensing)
Electromagnetic Emissions Standards CE Mark, VCCI/FCC Part 15, Class B
Options - High-Density 50F to Centronics 50M adapter
- AC Adapter for U2SCXOutput DC5V/2A
Center Positive Polarity
(center"+", External"-")
Regulated Output
Available at RATOC Web Mall
Warranty 1 year

Optional Items

AC Adapter for U2SCX Item # FR-AC05
For CBU2, if USB devices need more than 300 mA from USB cable, this adapter is needed.
Both FR1SX and U2SCX work with term power from the SCSI device. If the SCSI device doesn't supply term power to SCSI bus, you need this optional AC adapter.
Price : $29.00
High-Density 50F to Centronics 50male Adapter Item # RCL-3005
<< Click here to enlarge the picture of Centronics 50 pin male connector(upper) and High Density 50 pin female connector(lower)
Price : $29.00
High Density 50 Female to High Density 68 male Adapter Item # RCL-3068
<< Click here to enlarge the picture of High Density 68 pin male connector(upper) and High Density 50 pin female connector(lower)
SCSI HD50 Female to HD68 Male Adapter
Price : $29.00
High Density 50 Female to D-Sub 25 male Adapter Item # RCL-3025
<< Click here to enlarge the picture of D-Sub 25 pin male connector(upper) and High Density 50 pin female connector(lower)
SCSI HD50 Female to HD68 Male Adapter
Price : $29.00

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