Fujitsu M2681/82/84S:Switch Settings


PCA Layout    All configurations marked "*" are default settings

Terminal CNH1

Pins Status Function 1-2 OPEN(*) SCSI ID bit value 1 3-4 OPEN(*) SCSI ID bit value 2 5-6 OPEN(*) SCSI ID bit value 4 7-8 OPEN UNIT ATTENTION disabled SHORT(*) UNIT ATTENTION enabled 9-10 OPEN SCSI bus parity disabled SHORT(*) SCSI bus parity enabled 11-12 OPEN SCSI level - CCS/SCSI-1 SHORT(*) SCSI level - SCSI-2 13-14 OPEN Spin up via command SHORT(*) Spin up on power up 15-16 SHORT(*) Reserved (notes) 1-6; Always ensure that each device on the SCSI bus has been assigned a unique ID. 7-8; Disable this function when attaching the drive to any Apple Macintosh computer. 9-10; Some older Macintoshes require this option disabled. 11-12; Remove this jumper when attaching the drive to older model host adapters. 13-14; Remove this jumper only if the host adapter supports START/STOP UNIT command.

Terminal CNH2


Pin Status Function 1-2 OPEN Supply BUS line terminator power from IDD disabled SHORT(*) Supply BUS line terminator power from IDD enabled 3-4 OPEN Supply BUS line terminator power to/from TERMPWR disabled SHORT(*) Supply BUS line terminator power to/from TERMPWR enabled 5-6 OPEN(*) Reserved (Do not change)

Connector CN5


Pin Function 01 LED(V) 02 LED (note) Cable length should not exceed 30 centimeters

Connector CN4


Pin Function 01 GROUND ON 02 SPSYNC IN 03 GROUND OUT 04 SPSYNC OUT


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