"ET AMPLIFIE" is printed in white at the extraction end of this printed circuit card. At each corner of the component side there is a round hole. Between the holes is an inspection stamp featuring a triangle inside a circle. Three fourths of the component side is covered by a brass plate.
Manufacturer
Xerox Data Systems, Inc. (XDS)
Identifying Numbers
Model number
BT11
Printed in white at the extraction end of the component side
Other number
0350
Stamped at the extraction end of solder side
Other number
116029
Printed in what at the extraction end of the component side (assembly number)
Other number
128050b/A
Printed in gold near rivet hole at extraction end on component side
Other number
128093b/A
Printed in silver beneath the dark green color layer on the solder side