Grandpa's Attic

Stuff found as of 7/19/08

 

 



FW-1 circuit pack -  Is a daughter card that goes in the 1A service unit.  It provides line termination and  video equalization.

1 2

What is this?

345678

Other Stuff

910 11 1213

1415
1617

Diplexer

Diplexer

July 2008

Picture Phone BoxControls

Service UnitDisplay Units
55D Control unitsService Units
55D SpeakerPhone Control Units

 

PicturePhone

SpeakerPhone