KL8-J Terminal Control/Asynchronous Data Interface

This document serves as the formal engineering drawing set for the KL8-J, an asynchronous data interface module for the Omnibus PDP-8 computer. It includes a complete drawing directory, detailed module variations, logic diagrams, and comprehensive engineering specifications. The documentation covers functional operations such as double buffering, serial data formatting, jumper configurations, and power requirements for both 20mA and EIA signaling modes. Additionally, it provides guidance on installation, cabling, and acceptance testing procedures.