Fujitsu M2622/23/24SA:Switch Settings

PCA Layout    All configurations marked "*" are default settings

Terminal CNH1

PER defaults
        1-2     SHORT(*)   0
                OPEN       1
SCSI level
        3-4     SHORT      SCSI-1/CCS mode
                OPEN(*)    SCSI-2 mode
Offline self diagnostics
        5-6     SHORT      Diagnostic mode
                OPEN(*)    Normal mode
UNIT ATTENTION report mode
        7-8     SHORT(*)   Reports with CHECK CONDITION status
                OPEN       Does not report with CHECK CONDITION status
Reselection retry
        9-10    SHORT(*)   Retry count = unlimited
                OPEN       Retry count = 10

       11-12    SHORT(*)   Reserved
SCSI Bus Parity
       13-14    SHORT(*)   Executed
                OPEN       Not executed
Synchronous Data Transfer Request
       15-16    SHORT(*)   Enabled from TARG
                OPEN       Disabled from TARG
LED display requirement
       17-18    SHORT(*)   LED activated when drive seeking
                OPEN       LED activated when drive idle
Motor Start Mode
       19-20    SHORT(*)   On Power Up
                OPEN       Via START/STOP UNIT Command
SCSI Terminating Power
       21-22    23-24      Function
       SHORT(*) SHORT(*)   Power is supplied to the terminating resistor
                           from the HDD and TERMPWR pin. Power is also
                           supplied to the TERMPWR pin from the HDD.
                           (Pin 26 of the interface)
       OPEN     SHORT      The TERMPWR pin is not used. Power is supplied
                           to the HDD terminating registor only from the HDD.
       SHORT    OPEN       Power is not supplied to the terminating
                           resistor from the HDD, only from the TERMPWR pin.

Terminal CNH2

        1-2     OPEN(*)    User must not change this setting
        3-4     OPEN(*)    User must not change this setting

Terminal CNH3

Spindle synchronisation termination
        1-2     OPEN(*)    User must not change this setting
                           On revision B2 and above drives, these pins
                           assume the same function as pins 3-4 on the earlier
                           model drive.
        3-4     OPEN(*)    No termination
                SHORT      Termination installed

Terminal CNH4

For spindle synchronisation cable
        Pin     Function
         1      GROUND
         2      MASTER SYNC PULSE
         3      KEY
         4      SLAVE SYNC PULSE

Terminal CHN7

Set SCSI ID
   (note) Always ensure that each device on the SCSI bus has been given
          a unique ID. Normally the host adapter will take or assume
          SCSI ID 7.  Check your host adapter documentation for more
          details.

        5-6      3-4     1-2      ID
        OPEN(*)  OPEN(*) OPEN(*)  0
        OPEN     OPEN    SHORT    1
        OPEN     SHORT   OPEN     2
        OPEN     SHORT   SHORT    3
        SHORT    OPEN    OPEN     4
        SHORT    OPEN    SHORT    5
        SHORT    SHORT   OPEN     6
        SHORT    SHORT   SHORT    7

Write Protection
        7-8      SHORT(*)  Disabled
                 OPEN      Enabled
        9-10     OPEN(*)   RESERVED

Connector CN5

External LED connection
         Pin     Signal
         01      LED(V)
         02      -LED

Connector CN6

External SCSI ID connector
   (note) Ensure that the device has been physically set to SCSI ID 0
          (zero) before attempting to use this connection.

         Pin     Signal
         01      GND
         02      -ID2 (bit 4)
         03      GND
         04      -ID1 (bit 2)
         05      GND
         06      -ID0 (bit 1)

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