Technical specifications

PRAC AC Power Module (for ZXA10 OLT Series)

Product Model: PRAC

Product Type: AC Input Power Supply Module / Power Interface Board

Compatible Platforms: ZXA10 C600, C650, C680 OLT Chassis

 

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1. Product Overview

The PRAC is a carrier-grade AC-DC power conversion module designed for ZXA10 C600/C650/C680 OLT chassis. It converts mains AC input to stable -48V/–60V DC power, providing reliable and efficient power distribution to all service boards and control modules. Featuring hot-swappable design, comprehensive protections, and smart monitoring, it ensures uninterrupted operation for FTTH/FTTB broadband and triple-play service environments.

 

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2. Key Specifications

Electrical Parameters

• Input Voltage: 100–240V AC, auto-adaptive (50/60 Hz)
• Input Current: ≤ 16A (max)
• Output Voltage: -53.5V DC (nominal, telecom standard)
• Output Power: Max 350W
• Efficiency: ≥ 90% (typical at full load)
• Power Factor: ≥ 0.99 (active PFC)
• Ripple & Noise: ≤ 200mV (peak-to-peak)

Physical & Mechanical

• Dimensions (H×W×D): 23.9mm × 393.1mm × 214mm (1U slot)
• Weight: Approx. 1.25 kg
• Cooling: Forced air (chassis fan)
• Mounting: 19-inch rack, hot-swappable

Environment

• Operating Temperature: -40°C to +65°C
• Storage Temperature: -40°C to +85°C
• Humidity: 5%–95% (non-condensing)
• Altitude: Up to 4,000 m

Indicators & Controls

• LED Indicators:
  • RUN (Green): Normal operation (blinking)
  • ALM (Red): Fault/abnormality
  • PWR (Green): Input power present
• Buttons: Power on/off, reset
• Interfaces: AC input terminal, battery backup port, RS485 monitoring port

Protection Features

• Over-voltage protection (OVP)
• Under-voltage protection (UVP)
• Over-current protection (OCP)
• Short-circuit protection (SCP)
• Over-temperature protection (OTP)
• Reverse polarity protection
• Lightning/surge protection (±6kV contact discharge)

Compatibility & Redundancy

• Chassis Support: ZXA10 C600, C650, C680
• Redundancy: 1+1 or 2+2 power redundancy support
• Hot-Swap: Yes, online replacement without service interruption

 

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3. Core Features

• High-Efficiency Conversion: Active PFC and advanced topology ensure >90% efficiency, reducing energy consumption and heat.
• Wide Voltage Input: Universal 100–240V AC compatibility for global deployment.
• Carrier-Grade Reliability: Full electrical protections, redundant design, and industrial-grade components for 99.999% uptime.
• Hot-Swappable: Maintenance and replacement without powering down the OLT chassis.
• Smart Monitoring: Real-time voltage, current, temperature, and fault status via LED and SNMP/TR-069.
• Battery Backup: Integrated battery charging/discharging control for UPS/battery backup systems.
• EMI/EMC Compliance: Meets telecom EMC standards, minimizing interference with optical and data signals.

 

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4. Typical Applications

• ZXA10 C600/C650/C680 OLT main power supply
• Central office (CO) fiber access equipment
• FTTH/FTTB/P2P broadband deployment
• Triple-play (Internet, VoIP, IPTV) service platforms
• Enterprise/campus optical networks
• Carrier-grade redundant power systems