Teletype Incoming Line Unit 4702B System Building Block
Digital Equipment Corporation (DEC)
Stamped into metal frame on side.
Stamped into metal frame on top.
overall: 1/2 in x 4 1/2 in x 14 1/2 in
The following is stamped in solder on circuit side "Teletype Incoming Line Unit 4702 B". The module consists of the following components: switch; indicator light; resistors; transistors; capacitors; diodes.