This data communications board consists of a ten position thumb wheel switch, a toggle switch, two crystals, resistors, capacitors, doides, transistors and dips. Next to the thumb wheel switch is a paper label with the different baud rates.
Date
ca. 1968
Manufacturer
Data General Corporation (DGC)
Identifying Numbers
Other number
4023-RS232
Hand written on a paper label stuck on top frame of board on component side.