Connecting to the host computer, What is scsi, Scsi connection requirements for the scanner – Ricoh G410 User Manual

Page 21: Scsi connection require- ments for the scanner

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2. Setting up the Scanner

10

Connecting to the Host Computer

This scanner connects to a host personal
computer through a SCSI interface. This
section provides an overview of SCSI, and
explains how to connect the scanner to a host
computer.

What is SCSI?

“SCSI” (Small Computer System Interface)
is an interface standard that is used for high-
speed data transfer between a peripheral device
and a host computer.

In a SCSI connection, ANSI-compliant
SCSI cables are used to connect one or
more peripheral devices in daisy chain
fashion to the host computer.

Each device is assigned a unique SCSI
ID (0 to 7), which must be set for the
device before turning on the power and
before turning on the computer.

The last device in the daisy chain requires
a terminator.

1: SCSI cables

2: Up to 7 devices

3: Terminator

Important

❒ If two or more devices in a daisy chain

share the same SCSI ID, misoperation
and data loss may result. Set a unique
SCSI ID for this scanner that does not
duplicate the SCSI ID of any other de-
vice.

SCSI Connection Require-

ments for the Scanner

This scanner complies with the SCSI-2
standard. SCSI-1-compliant peripheral
devices can also be connected and used
with this scanner. The SCSI interface on
the scanner has a 50-pin half-pitch (pin
type) connector. Connect an ANSI-
compliant shielded SCSI-2 cable to the
scanner. Note that some combinations of
cables and SCSI boards will not work
together properly, so check this carefully.

If you are using a SCSI board and driver
software that supports SCAM, the SCSI
ID of this scanner will be set automati-
cally, so there is no need to set the ID. If
you are using a driver that does not have
a SCAM function, it will be necessary to
set the SCSI ID for the scanner if the
SCSI ID is identical to that of another
device that is connected.

The scanner’s terminator can be enabled
or disabled by turning a DIP switch on or
off.

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