PCLV11-J Multifunction Unit

This technical manual provides comprehensive details for the Webster Computer Corporation PCLV11-J, a multifunction unit designed for the LSI-11 Qbus. The manual covers general descriptions, specifications, installation procedures, programming details, and functional descriptions of its three core components: four enhanced RS232C serial lines, a 16 KB bootstrap ROM, and a 45 MB cartridge tape interface compliant with the QIC-02 industry standard. The document also includes circuit diagrams and appendices describing the bootstrap program and serial line configuration methods.