RATOC Systems U2SCXU 用户手册

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页码 97
84
Check the following points:
1)Be sure the SCSI device is powered on properly.
2)Turn off the SCSI device and make sure the U2SCXU is attached firmly, and
   turn on the device again.
   If the LED doesn’t come on even if you have done the above checking,
   refer to the user’s document on the SCSI device. Though SCSI specifications
   require Term-Power output capability as an optional, some SCSI devices
   such as iomega Zip drive may not be implemented this capability. If your
   SCSI device doesn’t have this Term-Power output capability, you must
   connect an OPTIONAL AC adapter(sold separately) as shown below or
   daisy-chain a SCSI device which has this Term-Power output capability.
   But, if you are a Mac user, don’t daisy-chain another SCSI device. Windows
   users only can daisy-chain another SCSI device.  If you are a Mac user, you
   must connect the optional AC adapter.
   For purchasing information, refer to Chapter 6.
4-10.When the power LED doesn’t come on(Win/Mac)
Optional AC adapter
AC adapter jack