Name: Passport 6400: 3-Port DS3 ATM Function Processor (FP) Module
Brand: Nortel
Price: 1560.95 USD
Availability: InStock

Nortel NTNQ51AA Passport 6400: 3-Port DS3 ATM Function Processor (FP) Module

The Nortel Passport 6400 3-Port DS3 ATM Function Processor (FP) Module (model NTNQ51AA) is a high-performance interface card designed for the Passport 6400 series routers. It provides reliable DS3 (Digital Signal 3) connectivity with built-in ATM cel... Read More

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$1,560.95

Ships next business day.

In Stock: 4
Manufacturer: Nortel
Model or Part: NTNQ51AA
Condition: Refurbished
Weight: 15.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Nortel Passport 6400 3-Port DS3 ATM Function Processor (FP) Module (model NTNQ51AA) is a high-performance interface card designed for the Passport 6400 series routers. It provides reliable DS3 (Digital Signal 3) connectivity with built-in ATM cell processing, enabling seamless integration of legacy T1/E1 services and modern ATM networks. Ideal for service providers and large enterprises, this module delivers robust traffic management, low latency, and scalable bandwidth for demanding data and voice applications.

Key Features

Three independent DS3 ports for flexible network design
Integrated ATM cell processing with support for AAL1, AAL2, and AAL5
Full duplex operation with up to 45 Mbps per port
Hardware based traffic shaping and policing for QoS enforcement
Hot-swap capable for zero-downtime upgrades
Compact 2U form factor compatible with existing Passport 6400 chassis

Technical Specifications

Model/Part Number: NTNQ51AA
Interface: 3 x DS3 (OC-3) connectors
ATM Support: AAL1, AAL2, AAL5
Maximum Throughput: 45 Mbps per port, 135 Mbps aggregate
Power Consumption: 45 W typical
Operating Temperature: 0 to 40 degrees Celsius
Dimensions: 2U rack height, 17.5 inches width
Compliance: FCC Part 15, CE

Applications
The Passport 6400 3-Port DS3 ATM Function Processor is suited for a variety of network environments, including:

Carrier back-haul linking legacy T1/E1 circuits to ATM backbone
Enterprise WAN aggregation where high-speed DS3 and ATM services coexist
Voice over ATM (VoATM) deployments requiring low latency and precise cell timing
Data center interconnects that need reliable, high-capacity DS3 links
Network test and measurement labs that simulate mixed TDM and ATM traffic

By integrating the NTNQ51AA module, customers gain a dependable, scalable solution that bridges traditional circuit-switched services with modern packet-based networks, ensuring smooth migration paths and future-proof performance.