TOP > Product Specifications > Interface > External Signal (EXT) Interface > Basic Specifications of External Signal (EXT) Interface Basic Specifications of External Signal (EXT) Interface This interface is designed to connect the product with other peripherals. Basic Specifications Connector Centronics IDC Type 14 pins (Female) Signal Levels High-level +4.2 to +5.0 V Low-level +0.0 to +0.7 V Back to top