If you are using an NI 62xx (formerly referred to as M Series) or NI 63xx (formerly referred to as X Series) multifunction I/O device or module with the SCB-68A, you can attach a connector-specific pinout label to the cover of the connector block for easy connection reference.
NI 62xx/63xx Pinout Labels for the SCB-68A Note to Users
Product DocumentationNI 62xx/63xx Pinout Labels for the SCB-68A Note to UsersNI 62xx/63xx Pinout Labels for the SCB-68A Note to UsersCurrent page