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Home Networking Router, Security, NPB Routers Cisco NM-4T1-IMA - 4-Port T1 ATM Network Module with Inverse Multiplexing over ATM (IMA) for Cisco 2600/3600/3700 Routers

Cisco NM-4T1-IMA - 4-Port T1 ATM Network Module with Inverse Multiplexing over ATM (IMA) for Cisco 2600/3600/3700 Routers

Cisco NM-4T1-IMA - 4-Port T1 ATM Network Module with Inverse Multiplexing over ATM (IMA) for Cisco 2600/3600/3700 Routers

Brand:

Cisco

Specifications

Product Overview:

The Cisco NM-4T1-IMA is a 4-Port T1 ATM Network Module designed to provide high-speed WAN connectivity over Asynchronous Transfer Mode (ATM) networks using Inverse Multiplexing over ATM (IMA). Designed for Cisco 2600, 3600, and 3700 Series modular routers, this module allows bandwidth aggregation across multiple T1 lines, offering a scalable, cost-effective solution for enterprise and service provider networks.
The NM-4T1-IMA supports up to 8 T1 links in a single IMA group, enabling flexible bandwidth scaling while maintaining reliability and redundancy. Each T1 port supports 1.544 Mbps and adheres to industry standards such as ATM Forum IMA Version 1.1, ensuring compatibility and performance in real-world carrier networks.
Ideal for branch offices, ISPs, and mission-critical enterprise applications, the Cisco NM-4T1-IMA offers dependable ATM service aggregation over multiple T1 lines, helping reduce network costs and increase uptime.

Specifications:

Model: Cisco NM-4T1-IMA
Module Type: Network Module (NM)
Number of Ports: 4 x T1
Interface Type: RJ-48C
T1 Speed per Port: 1.544 Mbps
Total Bandwidth: Up to 12.232 Mbps (8 x T1 aggregated)
Protocol Support: ATM, IMA (Inverse Multiplexing over ATM)
IMA Support: Up to 8 T1s per IMA group
Standards Compliance: ATM Forum IMA Version 1.1
Compatibility: Cisco 2600, 3600, and 3700 Series Routers
Line Framing: ESF (Extended Superframe), D4
Line Coding: B8ZS, AMI
Redundancy Support: Built-in link failure detection and fallback
Form Factor: Plug-in module
Power Consumption: Approx. 10–12 Watts
Operating Temp: 0°C to 40°C (32°F to 104°F)
Storage Temp: -40°C to 70°C
Relative Humidity: 10% to 85% non-condensing
Certifications: FCC, CE, UL, RoHS

Features:

4 x T1 Interfaces – Independently configurable or combined into a single IMA group.
Flexible Bandwidth Aggregation – Scale from 1 to 8 T1 circuits based on need.
ATM Forum IMA Compliant – Ensures smooth interoperability with carrier and enterprise equipment.
High Uptime & Redundancy – Eliminates single-link failure issues with multi-line support.
Ideal for ISP/Enterprise WANs – Perfect for regional offices, campuses, or service provider POPs.
Compact Modular Design – Easily installs into Cisco routers, saving rack space.

Why Choose Cisco NM-4T1-IMA?

ATM with IMA Support – Aggregate multiple T1 lines to create a single logical high-speed link.
Carrier-Class Reliability – Ideal for service providers and businesses needing redundant WAN links.
Scalable Bandwidth – Supports 1 to 8 T1 circuits per IMA group with flexible throughput.
Cisco Proven Quality – Designed and tested for mission-critical routing environments.
Interoperability – Complies with ATM Forum IMA 1.1 standards for seamless integration with carrier infrastructure.

Features

Brand:

Cisco

Warranty:

1 Year

Product Name

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