Fujitsu M1603/M1606S:Switch Settings


Setting Terminals
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 Spin up via command SHORT(*) Spin up on power up (notes) 1-6; Always ensure that each device on the SCSI bus has been assigned a unique ID. 7-8; Remove this jumper only if the host adapter supports START/STOP UNIT command.

Connector CN6


Pins Function A0 SCSI ID bit value 1 A1 SCSI ID bit value 2 A2 SCSI ID bit value 4 7-8 Reserved 9-10 Reserved

Connector CN5


Pins Function 01 LED(V) 02 LED (note)Cable length should not exceed 30 centimeters
SCSI connector (CN1) pin assignment
Signal Pin Pin Signal GROUND 1 2 -DB0 GROUND 3 4 -DB1 GROUND 5 6 -DB2 GROUND 7 8 -DB3 GROUND 9 10 -DB4 GROUND 11 12 -DB5 GROUND 13 14 -DB6 GROUND 15 16 -DB7 GROUND 17 18 -DBP GROUND 19 20 GROUND GROUND 21 22 GROUND Reserved 23 24 Reserved Open 25 26 TERMPWR Reserved 27 28 Reserved GROUND 29 30 GROUND GROUND 31 32 -ATN GROUND 33 34 GROUND GROUND 35 36 -BSY GROUND 37 38 -ACK GROUND 39 40 -RST GROUND 41 42 -MSG GROUND 43 44 -SEL GROUND 45 46 -C/D GROUND 47 48 -REQ GROUND 49 50 -I/O

Setting Terminals <active terminator version >

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 Spin up via command SHORT(*) Spin up on power up 9-10 OPEN Synchronous data transfer request SHORT(*) Synchronous data transfer request 11-12 OPEN Reselection retry count is 10 times. SHORT(*) Reselection retry count is unlimited. 13-14 SHORT(*) Reserved (User setting inhibited) 15-16 OPEN(*) SCSI Terminating resistor is disabled. SHORT SCSI Terminating resistor is enabled. (notes) 1-6; Always ensure that each device on the SCSI bus has been assigned a unique ID. 7-8; Remove this jumper only if the host adapter supports START/STOP UNIT command. 9-10; Set whether synchronous mode data transfer request from TARG is enabled. 11-12; Set the retry mode of the reselection phase. 15-16; Set disable or enable of an Active terminator.

Terminal CNH3


Pins 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.

Connector CN6


Pins Function A0 SCSI ID bit value 1 A1 SCSI ID bit value 2 A2 SCSI ID bit value 4 7-8 Reserved 9-10 Reserved

Connector CN5


Pins Function 01 LED(V) 02 LED (note) Cable length should not exceed 30 centimeters
SCSI connector (CN1) pin assignment
Signal Pin Pin Signal GROUND 1 2 -DB0 GROUND 3 4 -DB1 GROUND 5 6 -DB2 GROUND 7 8 -DB3 GROUND 9 10 -DB4 GROUND 11 12 -DB5 GROUND 13 14 -DB6 GROUND 15 16 -DB7 GROUND 17 18 -DBP GROUND 19 20 GROUND GROUND 21 22 GROUND Reserved 23 24 Reserved Open 25 26 TERMPWR Reserved 27 28 Reserved GROUND 29 30 GROUND GROUND 31 32 -ATN GROUND 33 34 GROUND GROUND 35 36 -BSY GROUND 37 38 -ACK GROUND 39 40 -RST GROUND 41 42 -MSG GROUND 43 44 -SEL GROUND 45 46 -C/D GROUND 47 48 -REQ GROUND 49 50 -I/O


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