Protection requirements

Product Introduction
Huawei SDH Transmission Equipment OSN3500 PIUB High Power Power Supply Board Parameter Introduction

OSN3500 SSN1PIUB Functions and Features
The PIUB 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 PIUB board are shown in Table 1.
Table 1 Functions and features of the PIUB single board
| Functions and Features | Description |
|---|---|
| Lightning protection function | Provides lightning protection function, realizes 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, etc.), each with 50W. |
| Alarm monitoring | Provide the reporting of the alarm information of the single board in position. |
| Power Backup | Provide 1+1 hot backup, any one PIUB board can meet the need of power supply for the whole subrack alone. |
OSN3500 SSN1PIUB Technical Specifications
PIUB single board specifications include mechanical specifications, power consumption, and input voltage.
OSN3500 SSN1PIUB Mechanical Specifications
The mechanical specifications of N1PIUB single board are as follows:
Veneer size: 44.0mm (W) x 125.2mm (D) x 261.4mm (H)
Weight: 0.6kg
OSN3500 SSN1PIUB power consumption
The maximum power consumption of the PIUB single board is 0W at room temperature (25°C).
OSN3500 SSN1PIUB Input Voltage
The input voltage range of the PIUB single board is:
If the standard voltage of the input power supply is -48V, the power supply voltage is between -38.4V and -57.6V.
If the standard voltage of the input power supply is -60V, the power supply voltage is between -48V and -72V.
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