This instructional guide, one of a series developed by the Technical Education Advancement Modules (TEAM) project, is a 16-hour introduction to plant floor operations. The guide is designed to develop the following competencies: (1) understanding the characteristics and components of personal computer (PC) networks; (2) computer networking operations; (3) workstation interconnection (PC network topologies); and (4) transmission media. The module is intended to upgrade basic technical competencies of unemployed, underemployed, and existing industrial employees. The materials in this module serve as a student outline and an instructor guide. The manual includes four units, each focussed on one of the four competencies. Textbooks needed to accompany the manual are listed. Statements of objectives for all four units are grouped together at the beginning of the manual and are followed by handouts relevant to each unit and explaning the specific content to be learned. (NLA)