Artifact Details


Telecom switch rack and panel

Catalog Number



Physical Object


Oct 1994

Place Manufactured


Identifying Numbers

Part number NTK1930 Rel 03 Printed on label on inside right side
Part number NTK1931 Rel 02 Printed on label on inside left side of front panel


overall: 4 5/8 in x 25 3/4 in x 12 in


This is a mostly empty 19" steel rack with a gray plastic front panel that snaps on, held by 2 quarter turn screws under a fold-down door on the top left..
Also under the door is a femail DB25 connector labelled "Unser Interface Port 2", 2 headset jacks, a recangular pushbutton labeled "Ca''", two green lighted pushbuttons labelled "Local" and "Express", and 2 handset jacks.
To the right of the door is a white rectangular light labelled "Call", a green lighted pushbutton laelled "ACO/LT", 2 rectangular red lights labelled "Critical" and Major", a rectangular orange light labelled ""Minor", and an ESD Ground Jack.
Inside the rack is a connect with a cut cable that fees all the lights, switches, jacks, and connecters, and an internal buzzer.


Computer History Museum

Lot Number