D-SUB connector, 9-pin, with two cable entries, universal type for all systems, pin assignment: 1, 2 86.20 € / 168.59 лв. without VAT
Input soptocoupler terminal block, input: 12 V DC, output: 3 - 48 V DC/100 mA, terminal width 6.2 mm 88.20 € / 172.50 лв. without VAT