Artifact Details

Title

SMS card DD ZZ

Catalog Number

102730280

Type

Physical object

Date

1959 ca.

Manufacturer

International Business Machines (IBM)

Identifying Numbers

Other number 491175 Printed in solder on printed wiring side
Other number DD ZZ Card Code. Etched on side edge of board, component side
Other number EC 108538 Etched on side edge of board, component side
Other number EC 109191 Etched on side edge of board, component side
Part number 371308 IBM part number. Etched on side edge of board, component side

Dimensions

overall: 4 1/2 in x 2 5/8 in x 3/8 in

Description

This record contains two (2) Standard Modular System (SMS) cards type: P to N converter Type B.

Category

Component/module

Credit

Gift of Paul Pierce

Lot Number

X7021.2014