Nortel NT5D12AB NT5D12AB

Overview
The Nortel NT5D12AB is a high performance digital telephone line interface designed for enterprise and carrier grade applications. Engineered with robust construction and reliable circuitry, this module provides seamless connectivity for voice and data services across a wide range of network environments. Its compact form factor and plug-in design make installation quick and maintenance simple, helping businesses keep communications up and running with minimal downtime.

Key Features

• Supports up to 12 simultaneous digital channels for high capacity deployments
• Integrated echo cancellation and noise reduction for clear audio quality
• Hot-swap capable - replace or upgrade without interrupting service
• Low power consumption reduces operational costs
• Built-in diagnostic LEDs for instant status monitoring
• Compatible with standard Nortel PBX and carrier equipment

Technical Specifications

• Model/Part Number: NT5D12AB
• Manufacturer: Nortel
• Channel Type: Digital (ISDN PRI)
• Number of Channels: 12
• Supply Voltage: 48 VDC
• Power Consumption: less than 5 W
• Operating Temperature: 0 to 55 deg Celsius
• Storage Temperature: -20 to 70 deg Celsius
• Dimensions: 4.5 in x 2.0 in x 1.0 in (HxWxD)
• Weight: 0.5 lb

Applications
The NT5D12AB is ideal for corporate PBX systems, call centers, and telecom carrier infrastructures that require reliable digital line termination. It is also well suited for government and educational institutions that need scalable voice solutions, as well as for remote office extensions where space and power efficiency are critical. Whether upgrading an existing Nortel environment or building a new digital network, the NT5D12AB delivers the performance and flexibility needed to support modern communication demands.