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Home Networking Router, Security, NPB Cisco NM-1A-T3 DS3 ATM Network Module - 1-Port High-Speed T3 ATM Interface for Cisco 2600/3600/3700 Routers

Cisco NM-1A-T3 DS3 ATM Network Module - 1-Port High-Speed T3 ATM Interface for Cisco 2600/3600/3700 Routers

Cisco NM-1A-T3 DS3 ATM Network Module - 1-Port High-Speed T3 ATM Interface for Cisco 2600/3600/3700 Routers

Brand:

Cisco

Specifications

Product Overview:

The Cisco NM-1A-T3 is a 1-Port DS3 ATM Network Module designed to deliver high-speed ATM (Asynchronous Transfer Mode) connectivity for Cisco modular routers, including the 2600, 3600, and 3700 series. Featuring a single T3 (DS3) interface, this module is engineered for mission-critical enterprise and service provider networks that demand high-throughput wide-area connectivity over ATM backbones.
Capable of supporting up to 45 Mbps, the NM-1A-T3 is perfect for large-scale IP/ATM networks, MPLS infrastructure, or metro aggregation where high-speed and reliable ATM transport is required. Integrated with Cisco IOS software, it ensures secure, scalable, and efficient WAN performance for data, video, and voice applications.

Specifications:

Model: Cisco NM-1A-T3
Port Type: 1 x DS3 (T3) ATM Interface
Maximum Bandwidth: 44.736 Mbps (DS3)
Connector Type: BNC (Dual 75-ohm coaxial)
Interface Standard: G.703-compliant T3 physical layer
Network Protocol: ATM (Asynchronous Transfer Mode)
Line Encoding: B3ZS (Bipolar with 3-Zero Substitution)
ATM Features: Supports ATM PVCs, traffic shaping, OAM cells, ILMI
Form Factor: Internal Network Module (NM Slot)
Compatible Routers: Cisco 2600, 3600, 3700 Series
Power Source: Powered via host router
Cisco IOS Compatibility: Supported (check router-specific IOS version)

Features:

High-Speed WAN Uplink – Delivers up to 45 Mbps over a single DS3 line
ATM Backbone Support – Enables connection to ATM switches and networks
Carrier-Grade Reliability – Ideal for telecoms, ISPs, and enterprise WAN cores
Full ATM Feature Set – PVCs, traffic shaping, QoS, OAM tools
Seamless Cisco Integration – Compatible with Cisco IOS and router management tools
Space-Efficient Design – Occupies a single NM slot in Cisco modular routers

Why Choose Cisco NM-1A-T3?

ATM-Optimized Performance: Tailored for ATM-based WANs, providing low latency and high throughput.
DS3 Line Compatibility: Use existing T3 infrastructure for maximum bandwidth and reliability.
Scalable and Future-Proof: Supports ATM PVCs, QoS, and OAM for advanced traffic control and monitoring.
Trusted Cisco Architecture: Leverages the power and stability of Cisco IOS in secure WAN environments.
Perfect for Carrier & Enterprise Edge: Deployed in telecom, banking, and ISP edge networks for reliable uplinks.

Features

Brand:

Cisco

Warranty:

1 Year

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