1400 FD  (250-3501)               Pinouts               Faxback Doc. # 1053

RS-232 Serial DB-9:

1.  Carrier Detect              6.   Data Set Ready
2.  Received Data               7.   Request To Send
3.  Transmitted Data            8.   Clear To Send
4.  Data Terminal Ready         9.   Ring Indicate
5.  Signal Ground

Printer Interface:

Connector Pin Assignment:

Pin #   Description   Contents

  1       OUTPUT       STROBE     STROBE signal
  2       OUTPUT       PDB 0      Print data bit 0
  3       OUTPUT       PDB 1      Print data bit 1
  4       OUTPUT       PDB 2      Print data bit 2
  5       OUTPUT       PDB 3      Print data bit 3
  6       OUTPUT       PDB 4      Print data bit 4
  7       OUTPUT       PDB 5      Print data bit 5
  8       OUTPUT       PDB 6      Print data bit 6
  9       OUTPUT       PDB 7      Print data bit 7
                       ____
 10       INPUT        ACKG       Printer Acknowledge
 11       INPUT        BUSY       Printer Busy
 12       INPUT        PAPER END  Out of paper
 13       INPUT        SELECT     Printer select
                       ___
 14       OUTPUT       ATF        Auto feed
                       _____
 15       INPUT        ERROR      Printer error
                       ______
 16       OUTPUT       INIPRN     Initialize Printer
                       ______
 17       OUTPUT       SELINP     Select input
18-25     GND

External 5-inch FDD Connector Assignment:

Pin #  Contents:                Pin #    Contents

  1      NC                       15      DSEXT*
  2      NC                      16-23    NC
 3-7     GND                      24      INDEX*      
  8      BSIDESE                  25      TRK0*
  9      CDIR                     26      STEP*      
 10      WRPRT                    27      BMTRON*
 11      RDDATE                  28-32    GND
 12      WRTATA                  33-37    NC         
 13      WEN*                    
 14      NC                      

Modem I/F Slot 20-Pin Connector Socket:

Pin #  Signal Name               Pin #  Signal Name

  1      TXDM                      11      GND
  2      RXDM                      12      +5V
  3      DTRM                      13      GND
  4      DSRM                      14      +5V
  5      CDM                       15      GND
  6      RIM                       16      +12V
  7      MODEM PWC                 17      GND
  8      NC                        18      -12V
  9      AUDIO                     19      NC
 10      DIRECT/ACOUSTIC           20      NC

Expansion Box I/F Slot 60-Pin Connector Socket:

Pin #  Signal Name               Pin #  Signal Name

  1      NC                        31      A19
  2      +5V                       32      D0
  3      ENABLE                    33      D1
  4      NC                        34      D2
  5      NC                        35      D3
  6      DACK0*                    36      GND
  7      IRQ3                      37      D4
  8      NC                        38      D5
  9      GND                       39      D6
 10      A0                        40      D7
 11      A1                        41      EMW*
 12      A2                        42      EMR*
 13      A3                        43      GND
 14      A4                        44      EIW*
 15      A5                        45      EIR*
 16      A6                        46      TC
 17      47                        47      ALE
 18      GND                       48      BRST*
 19      A8                        49      DACK1*
 20      A9                        50      IRQ2
 21      A10                       51      GND
 22      A11                       52      +5V
 23      A12                       53      ECLK
 24      A13                       54      IRQ5
 25      A14                       55      DR3
 26      A15                       56      DACK3*
 27      GND                       57      AEN*
 28      A16                       58      DR1
 29      A17                       59      IOREDY*
 30      A18                       60      MOTOR ON

Hard Disk Controller I/F Slot 60-Pin Connector Socket:

Pin #    Signal Name              Pin #  Signal Name

  1      POWER FALL                31      A19
  2      +5V                       32      D0
  3      NC                        33      D1
  4      +12V                      34      D2
  5      +12V                      35      D3
  6      NC                        36      GND
  7      NC                        37      D4
  8      SHIP READY                38      D5
  9      GND                       39      D6
 10      A0                        40      D7
 11      A1                        41      NC
 12      A2                        42      EMR*
 13      A3                        43      GND
 14      A4                        44      EIW*
 15      A5                        45      EIR*
 16      A6                        46      NC
 17      A7                        47      NC
 18      GND                       48      BRST*
 19      A8                        49      NC
 20      A9                        50      NC
 21      A10                       51      GND
 22      A11                       52      +5V
 23      A12                       53      NC
 24      A13                       54      IRQ5
 25      A14                       55      DR3
 26      A15                       56      DACK3*
 27      GND                       57      AEN
 28      A16                       58      NC
 29      A17                       59      NC
 30      A18                       60      GND