TELLABS Esmu Module 81.5509A-REV-D

( Brand: Tellabs ), ( Manufacturer Part Number: 81.5509A ), ( Part Type: Module )

Review TELLABS Esmu Module

The Tellabs 81.5509A ESMU (Ethernet Switching Module Unit) is a versatile and high-performance networking solution designed for use in Tellabs 10000X and 10300X series access switches. This module offers enhanced Ethernet switching capabilities, delivering superior connectivity and flexibility for enterprise networks.

The 81.5509A-REV-D ESMU supports 24 or 48 10/100/1000BASE-T Ethernet ports, which can be configured in various combinations to meet different network requirements. Each port features auto-negotiation and link pulse detection, ensuring optimal connectivity and data transfer rates.

This module comes with an integrated 2-port 1Gbps uplink interface, providing high-speed connectivity to the switch backplane or to other network devices. The 81.5509A also supports various redundancy and resiliency features, including IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) and Link Aggregation Control Protocol (LACP), ensuring network availability and reliability.

The 81.5509A-REV-D ESMU is powered by a robust, high-performance processor and offers advanced features such as QoS, IGMP snooping, and port-based VLANs, making it suitable for mission-critical applications and high-density environments. It also supports various management protocols, including SNMP, CLI, and Telnet, allowing for easy configuration, monitoring, and maintenance.

This module features a compact, half-height design, making it ideal for space-constrained environments. It is also backed by Tellabs' industry-leading support and maintenance services, ensuring that you receive the best possible experience and assistance throughout the lifecycle of your network infrastructure.

In summary, the Tellabs 81.5509A ESMU is a powerful and versatile networking solution that offers high-performance Ethernet switching, advanced features, and robust connectivity for enterprise networks. It is a reliable and cost-effective choice for organizations seeking to enhance their network capabilities and improve their overall network performance.

The Tellabs 81.5509A ESMU (External Shelf Management Unit) module is a fiber optic networking component designed for use in Tellabs' BRAS (Broadband Remote Access Server) and BNS (Broadband Network Station) systems. This device provides external shelf management capabilities, enabling the expansion of networking capacity and functionality. Here are some potential pros and cons of purchasing this module.

1. Scalability: The 81.5509A ESMU allows for the addition of external shelves, expanding the overall capacity of the BRAS or BNS system. This can be crucial for service providers or enterprises with growing networking requirements.

2. Flexibility: The module supports a variety of interfaces, including Gigabit Ethernet, SONET/SDH, and OC-3/OC-12, allowing for the integration of different types of networking technologies.

3. Redundancy: The ESMU offers redundant power supplies and fans, ensuring high availability and minimizing the risk of downtime.

4. Simplified Management: The external management of shelves through the ESMU can simplify the overall management and maintenance of the BRAS or BNS system.

1. Cost: The Tellabs 81.5509A ESMU is a relatively expensive component, and the cost of purchasing and implementing it may be a significant investment for some organizations.

2. Complexity: The integration and management of the ESMU may require specialized knowledge and resources, potentially leading to increased operational costs.

3. Compatibility: The module is specific to Tellabs' BRAS and BNS systems, and may not be compatible with other networking solutions.

In conclusion, the Tellabs 81.5509A ESMU offers significant advantages in terms of scalability, flexibility, redundancy, and simplified management for organizations with growing networking requirements or complex networking environments. However, the high cost and potential complexity of the module may make it a less attractive option for smaller organizations or those with more straightforward networking needs.

Ultimately, the decision to purchase the 81.5509A ESMU should be based on an evaluation of the specific networking requirements, budget, and resources of the organization. If the benefits of the module align with the organization's needs, it can be a valuable investment in expanding and enhancing the capabilities of the networking infrastructure.

Details:

Tellabs, 81.5509A-REV-D, ESMU Module.

part #: 815509a prices

• $151.00-$250.00

specifications tecomsy:

• brand: Tellabs
• mpn: 81.5509a
• part type: Module

payments tecomsy:

• wallet: Google-pay
• other
• credit card: Diners-club

returns tecomsy:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

general tecomsy:

• Office > Telecom Systems > Other Telecom Systems
• condition: Used

offer tecomsy:

• sold: 0
• availability: In Stock
• best offers: True
• quantity: 10
• options: Ship-to-home
• started: July 2, 2025

shipping tecomsy:

• transit: 3-7 Days
• carrier: UPS
• type: Calculated
• class: Standard, Expedited, One-day
• cost: $12.84
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver

seller tecomsy:

• city: Midlothian, Virginia
• # reviews: 415
• rating: 98.0%

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