DigitaLinx, Matrix Switcher, models:

DL-44E-KIT	Installation And Operation Manual
DL-A31	Installation Manual
DL-A51	Installation Manual
DL-HDM44	Installation Manual
DL-HDM44-FS	Installation And Operation Manual
DL-HDM88-SS	Installation And Operation Manual
DL-S42-H2	Owner'S Manual