Scanner Interface

(4)Statuses

The following statuses are supported by this scanner:

BUSY

CHECK CONDITION

GOOD

RESERVATION CONFLICT

(5)Messages

The following messages are supported by this scanner:

ABORT

BUS DEVICE RESET

COMMAND COMPLETE

DISCONNECT

IDENTIFY

INITIATOR DETECTED ERROR

MESSAGE PARITY ERROR

MESSAGE REJECT

NO OPERATION

RESTORE POINTERS

SAVE DATA POINTER

SYNCHRONOUS DATA TRANSFER REQUEST

(6)Others

The bits and fields for which the word “Reserved” is described are checked. For a non-zero, an error is returned.

A.1 Physical Specifications

The devices linked to this interface are daisy-chained with each other. A terminator is attached to the ends of the interface. Interface specifications are shown below.

(1)Connection

 

 

SCSI device

 

SCSI device

 

SCSI device

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminator

Terminator

Appendix A-2