../ pictures/ 01-May-2023 16:20 - 1090644_B1870_B1860_Systems_Reference_Manual_19..> 24-Sep-2025 17:41 17097964 1098282_B1870_Technical_Manual_Vol1_Operation_a..> 01-May-2023 23:11 10450800 Connection_Port_Functional_Design_19790328.pdf 19-May-2023 17:09 1955894