PPC-157T User Manual 405.1.5 Jumper SettingsTable 5.32: CN45 (AT Power Solution Connector)Pin Signal1 NC2 But_PANSWIN3 PANSWINTable 5.33: CN47 (GPIO)Pin Pin Name1 +V52 GPIO43 GPIO04 GPIO55 GPIO16 GPIO67 GPIO28 GPIO79 GPIO310 GNDTable 5.34: CN26 (COM1 RI Function Selection Connector(1-2) Ring Function (default)(3-4) Ring output 5V(4-5) Ring output 12VTable 5.35: CN42 (COM3 RI Function Selection Connector(1-2) Ring Function (default)(3-4) Ring output 5 V(4-5) Ring output 12 VTable 5.36: CN43 (COM4 RI Function Selection Connector)(1-2) Ring Function (default)(3-4) Ring output 5 V(4-5) Ring output 12 VTable 5.37: CN44 (COM2 RI Function Selection Connector)(1-2) Ring Function (default)(3-4) Ring output 5 V(4-5) Ring output 12 V