Magnetic Tape Formatter

The TM78 Magnetic Tape Formatter serves as an interface between up to four TU78 Magnetic Tape Transports and a MASSBUS controller. It supports information interchange at 1600 bits/in (PE) or 6250 bits/in (GCR) and includes features like automatic error correction, on-line microdiagnostics, and dual MASSBUS port capability. The document provides detailed information on: - System Description: Functional groups and components of the TM78. - Programming: Non-data and data transfer commands, status registers, and interrupt handling. - Installation: Site planning, inspection, cabling for MASSBUS and TU bus, and configuring dual-port logic. - Specifications: Data transfer speeds, environmental requirements, and reliability metrics.