Manual for the Simplex 2001 Voice Communications Modules, published in 1987. Document No: VC2-11-003, Rev: 3. 5 models including 2001-6015, 2001-6016 and 2001-6017. System overview, features and capabilities, and basic operation.
Manual for the Simplex 2001 Voice Communications Modules, published in 1987. Document No: VC2-11-003, Rev: 3. 5 models including 2001-6015, 2001-6016 and 2001-6017. System overview, features and capabilities, and basic operation.
