2042 constant current adapter type 3, suitable for IBH S5 interface converter # 2020

For devices that provide no 20mA loop current (20mA passive -TTY- interface), the constant current adapter is provided. In the 15-pin D-Sub. housing contains two constant current sources for loop current. The constant power adapter is supplied with power supply. Pin assignment for the U150 25-pin Sub-D connector with pin arrangement (A ... 21 B ... 20 C ... 19, D ... 18, E / F ... housing) for connection to the SPS., Manufacturer-No: 2046