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M3099GX/GH OEM Manual 3-3
INTERFACE
• NO OPERATION
• RESTORE POINTERS
• SAVE DATA POINTER
• SYNCHRONOUS DATA TRANSFER REQUEST
Connection
SCSI devices are daisy-chaned together using a common 50-
conductor ‘A’ cable and, optionally, a 68-conductor ‘B’ cable. Both
ends of each cable are terminated. All signals are common between
all SCSI devices on the ‘A’ cable. In systems that employ the wide
SCSI option, wide SCSI devices additionally connect to the ‘B’ cable.
Various width SCSI devices may be mixed. This scanner supports ‘A’
cable.
Note: Use of ‘B’ cable is not recommended because of ANSI draft
proposal indicates this definition is removed in a future
version of the SCSI.
TERMINATOR
SCSI device SCSI device SCSI device SCSI device
TERMINATOR
Figure 3.1 SCSI device connection
Physical
Specifications
#03.pm5 98.2.22, 1:31 PM3