TY - BOOK AU - Putman,Byron W. TI - RS-232 simplified: everything you need to know about connecting, interfacing, and troubleshooting peripheral devices SN - 0137834993 PY - 1987/// CY - Englewood Cliffs, N.J. : PB - Prentice-Hall, KW - Computer interfaces KW - Standards KW - United States N1 - Includes index ER -