TELLABS 81.55103 Lsm Lan Switch Module Ethernet Network Card RJ-45 Board

( Brand: Tellabs ), ( Manufacturer Part Number: 81.55103 ), ( Part Type: Network Switch Module Board Card ), ( Network Ports: Ethernet )

Review TELLABS Lsm Lan Switch Module Ethernet Network Board Card

The Tellabs 81.55103 LSM (Lan Switch Module) is a versatile networking solution designed to expand the capabilities of Tellabs' 8100 and 8200 series DSLAMs (Digital Subscriber Line Access Multiplexers). This module functions as a high-performance Ethernet switch, enabling you to add more ports to your existing network infrastructure.

The LSM is equipped with 24 RJ-45 ports, each capable of delivering 10/100 Mbps Ethernet connectivity. This makes it an excellent choice for small to medium-sized networks that require a significant number of Ethernet ports. The switch module also supports IEEE 802.3u and 802.3ab standards, ensuring compatibility with a wide range of Ethernet devices.

One of the standout features of the Tellabs 81.55103 LSM is its robust management capabilities. It supports SNMP v1, v2c, and v3, enabling you to monitor and manage the switch using industry-standard network management software. Additionally, it comes with a web-based interface for easy configuration and troubleshooting.

The LSM is designed for use in telecommunications environments and is built with reliability in mind. It features redundant power supplies, ensuring that the switch remains operational even if one power supply fails. Moreover, it supports various redundancy protocols, such as RSTP (Rapid Spanning Tree Protocol) and MRP (Multiple Router Protocol), making it an ideal choice for mission-critical applications.

The LSM is also easily integrable with other Tellabs products. It supports the TDA (Tellabs Data Access) protocol, which allows it to communicate with other Tellabs devices and share vital network information. This seamless integration simplifies network management and makes it easier to maintain a cohesive infrastructure.

In summary, the Tellabs 81.55103 LSM is a versatile and powerful Ethernet switch module that is perfect for expanding the capabilities of Tellabs' 8100 and 8200 series DSLAMs. With its 24 RJ-45 ports, robust management capabilities, and reliability features, it is an excellent choice for small to medium-sized networks in telecommunications environments.

The Tellabs 8155103 LSM (Lan Switch Module) Ethernet RJ-45 Network Board Card is a networking component designed for use in Tellabs' optical transport systems. This module provides Ethernet connectivity to the transport network, enabling the integration of various IP-based services and applications. Here are some potential pros and cons of buying this product:

1. High-density Ethernet connectivity: The LSM supports up to 32 Ethernet ports, making it an ideal solution for deployments requiring a large number of Ethernet connections in a compact form factor.

2. Flexible configuration options: The module supports both static and dynamic IP addressing, allowing for easy integration into various network architectures.

3. Robust and reliable: Tellabs is known for their high-quality, reliable networking components, ensuring that this module will provide dependable service in mission-critical applications.

4. Easy to install and manage: The LSM can be easily integrated into existing Tellabs transport systems, and its web-based management interface allows for simple configuration and monitoring.

1. Limited to Tellabs transport systems: This module is specifically designed for use in Tellabs' optical transport systems, limiting its applicability to other networking environments.

2. Requires specialized knowledge: Installing and managing this module may require specialized knowledge and training, potentially adding to the cost of deployment.

3. Potentially high cost: Compared to standalone Ethernet switches, the LSM may be more expensive due to its integrated nature into the transport system.

The Tellabs 8155103 LSM Ethernet RJ-45 Network Board Card offers a high-density, flexible, and reliable solution for deployments requiring Ethernet connectivity in a Tellabs transport system. However, its limited applicability to other networking environments and potential high cost may be drawbacks for some organizations.

If your organization is already using Tellabs transport systems and requires a large number of Ethernet connections, the LSM is a solid choice for meeting your networking needs. However, if you're not already using Tellabs equipment or only require a small number of Ethernet ports, a standalone Ethernet switch may be a more cost-effective solution.

Details:

Board shows no signs of installation or use; PCB surfaces and edge connectors are clean undamaged. Front panel features: Tellabs logo, LSM 81.55103 text, status Leds labeled LP fault, in service, active, and a metal ejector handle for chassis installation. MPN: 81.55103 printed on front panel and multiple PCB labels. Model: LSM LAN switch module circuit board for Tellabs talcum and data networking platforms.

Front panel with Leds, ejector handle, and RJ-45 port is intact no scratches or bent metal. Includes original Tellabs cardboard box with foam inserts and exterior product label; no other accessories or documentation are included. Brand: Tellabs. Tellabs LSM 81.55103 LAN Switch Module Ethernet RJ-45 Network Board Card.

part #: 8155103 prices

• $33.00-$259.99

specifications switchchunk:

• brand: Tellabs
• mpn: 81.55103
• part type: Network Switch Module Board Card
• network ports: Ethernet

seller switchchunk:

• city: Bremerton, Washington
• # reviews: 1118
• rating: 99.7%

shipping switchchunk:

• cost: $10.41
• service: USPS Ground Advantage
• type: Calculated
• transit: 4-9 Days
• carrier: USPS
• class: Standard

general switchchunk:

• Enterprise Networking, Servers > Switches Hubs > Switch Modules
• condition: Open box

offer switchchunk:

• sold: 0
• started: March 14, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• best offers: True

payments switchchunk:

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

returns switchchunk:

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

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