Numag Data Systems Pvt Ltd offers RS232 to RS422 Interface Converter. Numag Data Systems Pvt Ltd have also built Heat Stress Monitors with automatic WBGT and comfort Index calculation, Sound Ranging Systems, ECG data acquisition systems for Defence applications. Converter weighing Approx 1 KG has model number Model LD-101 series. These are used to extend the signal drive capability of RS232 ports over a long distance. Line drivers are used in pairs and have the capability to drive the RS232 signals over distance upto 1 KM. Cables to connect Computer to RS232 to RS485 converter are to be arranged by the user, depending on the type of connectors provided on the user`s Computer and the distance over which data is to be sent. Connection details for various types of RS-232 standards will be given along with the product.