Philips BV300 Pulsera DFI Combo PB11 Board 4522 127 0259Philips BV300 Pulsera DFI Combo PB11 Board 4522 127 0259 The PB11 board is a core component of the Defibrillator Interface (DFI) module in the Philips BV300 Pulsera patient monitoring series. It handles ECG signal routing and synchronizes defibrillator charge discharge commands, ensuring safe, coordinated therapy delivery within the monitor platform. Key Specifications Board Number: 4522 127 0259 Function: ECG signal interface and defibrillator sync