Protection requirements

OSN3500 SSN1PIUA Functions and Features
The PIUA is a power interface board that supports functions and features such as power access, lightning protection, and filtering.
The specific functions and features of the PIUA board are shown in Table 1.
| Functions and Features | Description |
|---|---|
| Lightning protection function | Provides lightning protection function, realizing the single-board lightning protection failure alarm information reporting. |
| Filtering function | Provides filtering for power port and structural shielding for single board, which enhances the electromagnetic compatibility of the system. |
| Power supply interface | Provides 2 power supply interfaces for external units (e.g. COA and HUB, etc.), each with 50W. |
| Alarm Monitoring | Provide reporting of alarm information of single board in position. |
| Power Backup | Provide 1+1 hot backup, any one PIUA board can meet the need of power supply for the whole subrack alone. |
OSN3500 SSN1PUA Technical Specifications
PIUA single board indicators include mechanical indicators, power consumption, input voltage and fuse.
OSN3500 SSN1PUA Mechanical Indicators
The mechanical specifications of the PIUA veneer are as follows:
OSN3500 SSN1PUA power consumption
The maximum power consumption of the PIUA single board is 0W at room temperature (25°C).
OSN3500 SSN1PUA Input Voltage
The input voltage range of the PIUA single board is: