Nortel NTRB53AA NT Global Clock Controller Card

Overview

The Nortel NTRB53AA NT Global Clock Controller Card is a high precision timing module designed for integration into Nortel telecommunication platforms. It provides reliable synchronization of network clocks, ensuring consistent voice and data quality across large scale deployments. This card is engineered for continuous operation in carrier grade environments, delivering stable timing even under heavy traffic loads.

Key Features

• Provides master clock source for multiple line cards
• Supports both internal crystal and external reference inputs
• Low jitter performance for high quality audio and data streams
• Plug-in design for easy installation and replacement
• Built-in diagnostics and status LEDs for quick troubleshooting
• Compatible with existing Nortel chassis and software releases

Technical Specifications

• Model/Part Number: NTRB53AA
• Manufacturer: Nortel
• Form factor: Standard 3U card
• Clock source: 19.2 MHz crystal oscillator
• External reference input: 1 PPS, 10 MHz, or 8 kHz
• Output formats: BCD, binary and pulse per second
• Power consumption: 8 watts typical
• Operating temperature: 0 to 55 degrees C
• Storage temperature: -40 to 70 degrees C
• Compliance: RoHS, CE

Applications

The NT Global Clock Controller Card is ideal for:

• Large enterprise PBX installations requiring synchronized call timing
• Carrier networks that need precise timing for VoIP and TDM services
• Data centers where timestamp accuracy is critical for logging and security
• Broadcast and media facilities that rely on exact audio sync
• Any mission critical environment where clock drift can impact service quality

By delivering stable and accurate timing, the Nortel NTRB53AA enhances overall system performance, reduces latency, and helps maintain compliance with industry timing standards. Its robust design and easy integration make it a valuable upgrade for any Nortel based communication infrastructure.