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Pin Assignments Reference Page

Here are some common connector pin assignments. It's only for SCSI-2 and SCART at the moment but let me know of any other useful pinouts you would like to see here and I will add them.

SCSI Connector Contact Assignments

A-Cable Single-Ended. Unshielded Low-density Connectors
A-Cable Single-Ended. High Density and Shielded Low Density Connectors

SCART Connector Contact Assignments

Scart connector

Connector pin layouts

Micro D-type connector
Mating face shown

Centronics
Mating face shown

0.1" Pin header
Mating face shown


A-Cable: Single ended (Unshielded low-density connectors)


 SIGNAL   CONNECTOR     CABLE       CABLE    CONNECTOR    SIGNAL

  NAME     CONTACT    CONDUCTOR   CONDUCTOR   CONTACT      NAME

            NUMBER      NUMBER     NUMBER      NUMBER        

                                                             

 Ground       1           1     |     2          26       DB(0)

 Ground       2           3     |     4          27       DB(1)

 Ground       3           5     |     6          28       DB(2)

 Ground       4           7     |     8          29       DB(3)

 Ground       5           9     |    10          30       DB(4)

 Ground       6           11    |    12          31       DB(5)

 Ground       7           13    |    14          32       DB(6)

 Ground       8           15    |    16          33       DB(7)

 Ground       9           17    |    18          34       DB(P)

 Ground       10          19    |    20          35       Ground

 Ground       11          21    |    22          36       Ground

Reserved      12          23    |    24          37      Reserved

  Open        13          25    |    26          38      TERMPWR

Reserved      14          27    |    28          39      Reserved

 Ground       15          29    |    30          40       Ground

 Ground       16          31    |    32          41        ATN

 Ground       17          33    |    34          42       Ground

 Ground       18          35    |    36          43        BSY

 Ground       19          37    |    38          44        ACK

 Ground       20          39    |    40          45        RST

 Ground       21          41    |    42          46        MSG

 Ground       22          43    |    44          47        SEL

 Ground       23          45    |    46          48        C/D

 Ground       24          47    |    48          49        REQ

 Ground       25          49    |    50          50        I/O


A-Cable: Single ended (High density and shielded low lensity lonnectors)


 SIGNAL   CONNECTOR     CABLE       CABLE    CONNECTOR    SIGNAL

  NAME     CONTACT    CONDUCTOR   CONDUCTOR   CONTACT      NAME

            NUMBER      NUMBER     NUMBER      NUMBER        

                                                             

 Ground       1           1     |     2          2        DB(0)

 Ground       3           3     |     4          4        DB(1)

 Ground       5           5     |     6          6        DB(2)

 Ground       7           7     |     8          8        DB(3)

 Ground       9           9     |    10          10       DB(4)

 Ground       11          11    |    12          12       DB(5)

 Ground       13          13    |    14          14       DB(6)

 Ground       15          15    |    16          16       DB(7)

 Ground       17          17    |    18          18       DB(P)

 Ground       19          19    |    20          20       Ground

 Ground       21          21    |    22          22       Ground

Reserved      23          23    |    24          24      Reserved

  Open        25          25    |    26          26      TERMPWR

Reserved      27          27    |    28          28      Reserved

 Ground       29          29    |    30          30       Ground

 Ground       31          31    |    32          32        ATN

 Ground       33          33    |    34          34       Ground

 Ground       35          35    |    36          36        BSY

 Ground       37          37    |    38          38        ACK

 Ground       39          39    |    40          40        RST

 Ground       41          41    |    42          42        MSG

 Ground       43          43    |    44          44        SEL

 Ground       45          45    |    46          46        C/D

 Ground       47          47    |    48          48        REQ

 Ground       49          49    |    50          50        I/O

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