8-Bit Teletype Transmitter

This document describes the Digital Equipment Corporation 4707 8-Bit Teletype Transmitter. It functions as a parallel to serial converter, self-contained on a double-length DEC System Module board. The document covers:

• Operational principles, including data disassembly, start/stop element addition, and flagging.
• Timing and transmission rate calculations.
• Input/output signal requirements, including clock, enable, data, and wait signals.
• Jumper configuration for stop element duration (1.0, 1.5, or 2.0 units).
• Indicator lamp usage and power requirements.