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Home Networking Router, Security, NPB Cisco NM-1A-E3 ATM Network Module - 1-Port E3 ATM Interface for Cisco 2600/3600/3700 Modular Routers

Cisco NM-1A-E3 ATM Network Module - 1-Port E3 ATM Interface for Cisco 2600/3600/3700 Modular Routers

Cisco NM-1A-E3 ATM Network Module - 1-Port E3 ATM Interface for Cisco 2600/3600/3700 Modular Routers

Brand:

Cisco

Specifications

Product Overview:

The Cisco NM-1A-E3 is a high-performance 1-Port E3 ATM Network Module, specifically designed to support high-speed WAN connectivity over E3 (34.368 Mbps) lines in Cisco modular routers such as the 2600, 3600, and 3700 series. This network module enables enterprises and service providers to connect efficiently to ATM backbones, metro access networks, or national wide-area networks.
Utilizing ATM (Asynchronous Transfer Mode) technology, the NM-1A-E3 supports PVCs, traffic shaping, OAM capabilities, and ILMI, ensuring robust Quality of Service (QoS), scalability, and real-time traffic management. Ideal for voice, video, and data convergence, it integrates seamlessly with Cisco IOS for centralized configuration and monitoring.
Whether you're deploying a new wide-area ATM link or upgrading existing E3 infrastructure, the Cisco NM-1A-E3 offers a reliable, cost-effective, and scalable WAN solution.

Specifications:

Brand: Cisco
Model: NM-1A-E3
Port Type: 1 x E3 ATM Interface
Maximum Bandwidth: 34.368 Mbps (E3 standard)
Connector Type: BNC (dual 75-ohm coaxial)
Interface Standard: G.703-compliant E3 physical interface
Line Encoding: HDB3
Network Protocol: ATM (Asynchronous Transfer Mode)
ATM Features: Supports PVCs, traffic shaping, OAM cells, ILMI management
Form Factor: Internal Network Module (fits NM slot)
Compatible Routers: Cisco 2600, 3600, 3700 Series
Power Source: Powered via host router

Features:

High-Speed ATM Interface – E3 port with up to 34 Mbps throughput
ATM Network Compatibility – Designed for use with ATM switches and backbones
Advanced QoS Capabilities – Supports traffic shaping, PVCs, and full OAM tools
Space-Efficient Module – Requires only one NM slot in Cisco modular routers
Carrier-Grade Design – Suitable for telecom and enterprise-grade WANs
Cisco IOS Integration – Centralized configuration, monitoring, and management

Why Choose Cisco NM-1A-E3?

Reliable E3 Connectivity: Provides robust and efficient access to WANs using E3 circuits.
ATM Network Support: Perfect for legacy and existing ATM backbone infrastructure.
Enterprise-Class Performance: Supports real-time applications like VoIP and video conferencing.
Scalable & Manageable: Offers advanced management features through Cisco IOS.
Backed by Cisco Quality: Engineered for mission-critical uptime and long-term reliability.

Features

Brand:

Cisco

Warranty:

1 Year

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