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Home Networking Networking Accessories Cisco NM-1A-OC3SMI-1V ATM CES Network Module - 1-Port Singlemode OC-3 Intermediate Reach ATM

Cisco NM-1A-OC3SMI-1V ATM CES Network Module - 1-Port Singlemode OC-3 Intermediate Reach ATM

Cisco NM-1A-OC3SMI-1V ATM CES Network Module - 1-Port Singlemode OC-3 Intermediate Reach ATM

Brand:

Cisco

Specifications

Product Overview:

The Cisco NM-1A-OC3SMI-1V is a high-performance 1-port OC-3 (STM-1) ATM Network Module with Circuit Emulation Services (CES) designed for intermediate-reach singlemode fiber connectivity. Compatible with Cisco modular routers such as the 2600, 3600, and 3700 series, this module provides 155 Mbps ATM transport over singlemode fiber, making it ideal for long-distance enterprise backbones, telecom networks, and campus-wide deployments.
Featuring circuit emulation using AAL1, this module allows TDM-based voice services such as T1/E1 or PBX connections to be transparently transported across a fiber-based ATM backbone, ensuring real-time traffic delivery. Its support for UNI and PNNI signaling, OAM tools, ILMI, AAL5, and advanced QoS makes it perfect for converged voice, video, and data infrastructures.

Specifications:

Brand: Cisco
Model: NM-1A-OC3SMI-1V
Port Count: 1 x OC-3 (STM-1) Singlemode Fiber
Optical Reach: Intermediate Reach (up to 15 km)
Connector Type: SC Singlemode Fiber Connector
Interface Type: OC-3 over Singlemode ATM
Wavelength: 1310 nm
Line Speed: 155 Mbps
Protocols Supported: ATM UNI, PNNI, AAL1 (CES), AAL5, OAM, ILMI
Circuit Emulation: AAL1 for transparent T1/E1 transport
Compatible Routers: Cisco 2600, 3600, 3700 Series (with NM slots)
Power Source: Supplied via host router
IOS Support: Requires compatible Cisco IOS software

Features:

High-Speed OC-3 Throughput – 155 Mbps ATM via singlemode fiber
Intermediate Reach Support – Up to 15 km distance over singlemode SC interface
Circuit Emulation Services (CES) – Enables legacy voice/data over ATM with AAL1
Enterprise-Grade Fiber Connectivity – Reliable, long-range, carrier-class WAN module
Integrated ATM OAM Tools – Advanced monitoring, ILMI management, and signaling
Cisco IOS Integration – Full software compatibility for streamlined control

Why Choose Cisco NM-1A-OC3SMI-1V?

Long-Distance Fiber Connectivity: Provides OC-3 connectivity over singlemode fiber for up to 15 km, ideal for large campuses or metro networks.
Circuit Emulation Support: Consolidates voice and legacy TDM traffic into modern ATM infrastructure.
Scalable & Reliable: ATM QoS and signaling protocols ensure dependable service for mission-critical applications.
Cost-Effective Migration: Enables legacy system integration into high-speed fiber backbones without rearchitecting.
Fully Cisco-Compatible: Seamless integration with Cisco routers and IOS software for centralized configuration.

Features

Brand:

Cisco

Warranty:

1 Year

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