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Nortel NTHW25AA 4pOC-3ChSmirVsp4e 15000 Passport 4-Port OC3 SMIR IPVCAFGLAA

Nortel NTHW25AA 4pOC-3ChSmirVsp4e 15000 Passport 4-Port OC3 SMIR IPVCAFGLAA
Nortel NTHW25AA 4pOC-3ChSmirVsp4e 15000 Passport 4-Port OC3 SMIR IPVCAFGLAA
The Nortel NTHW25AA, also known as the 4pOC-3ChSmirVsp4e 15000 Passport, is a high-performance 4-port OC-3 Small-Mux Interface Receiver (SMIR) designed for demanding carrier and enterprise networks. This compact module provides reliable optical trans... Read More
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$369.95

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  • In Stock: 4
  • Manufacturer: Nortel
  • Model or Part: NTHW25AA
  • Condition: Refurbished
  • Weight: 18.00lb
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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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Overview
The Nortel NTHW25AA, also known as the 4pOC-3ChSmirVsp4e 15000 Passport, is a high-performance 4-port OC-3 Small-Mux Interface Receiver (SMIR) designed for demanding carrier and enterprise networks. This compact module provides reliable optical transport of up to 15000 OC-3 circuits, delivering robust, low-latency connectivity for voice, data, and video services. Built to Nortel's rigorous quality standards, the Passport SMIR ensures seamless integration with existing SONET/SDH infrastructures while supporting future bandwidth growth.

Key Features

  • Four independent OC-3 ports for flexible traffic aggregation
  • Supports both SONET and SDH framing formats
  • Integrated SMIR functionality for efficient multiplexing and demultiplexing
  • Hot-swap capable for minimal service disruption during upgrades
  • Compact 1U rack-mount design saves valuable data-center space
  • Built-in diagnostics and alarm monitoring for proactive maintenance
  • Compatible with Nortel Passport network management platforms

Technical Specifications

  • Model/Part Number: NTHW25AA
  • Port Type: 4 x OC-3 (155.52 Mbps per port)
  • Maximum Aggregate Bandwidth: 15000 OC-3 (approximately 2.33 Tbps)
  • Electrical Interface: V.35/EIA-232 for management
  • Optical Interface: Standard single-mode fiber, wavelength 1310 nm
  • Power Consumption: 45 W typical
  • Operating Temperature: 0 to 40 deg C
  • Humidity: 10 to 90 percent non-condensing
  • Dimensions: 1U height, 19 inch rack width

Applications

  • Carrier core and edge routing where high density OC-3 connectivity is required
  • Enterprise WAN aggregation for large campus or multi-site deployments
  • Video transport and broadcast distribution networks needing low latency
  • Telecom backhaul linking remote nodes to central offices
  • Disaster recovery sites that demand reliable, high-capacity optical links
  • Network service providers expanding capacity without extensive infrastructure changes