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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