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by Cisco
Product Line: Cisco Series
Product Type: Enhanced EtherSwitch Service Module
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Original price $0.00 - Original price $0.00
Original price
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Title: Surplus

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Product Description

The SM-D-ES3G-48-P is a double wide form factor networking module with 48 Ethernet ports supporting speeds of 10/100/1000 Mbps, designed for seamless integration with Cisco 3945, Cisco 3925, Cisco 2951, and Cisco 2921 routers. It features both Layer 2 and Layer 3 capabilities, Power over Ethernet (PoE) support, and is equipped for Fast and Gigabit Ethernet connections via RJ-45 connectors, with autonegotiation for port speed and duplex settings. Additionally, the module offers SFP support for fiber connectivity, trunk support for link aggregation, and is configurable through the Cisco Command-Line Interface, catering to advanced network setups and applications.

FAQs for the SM-D-ES3G-48-P

  • What is the port speed of the Ethernet ports?
    The port speed is 10/100/1000 Mbps.
  • Does the networking hardware support Power over Ethernet (PoE)?
    Yes, PoE support is available.
  • Can you list the supported routers for this hardware?
    Supported routers include Cisco 3945, Cisco 3925, Cisco 2951, and Cisco 2921.
  • Is there support for both Fast Ethernet and Gigabit Ethernet connections?
    Yes, it supports Fast Ethernet and Gigabit Ethernet connections, both utilizing RJ-45 connectors.
  • Does the device offer Trunk Support?
    Yes, Trunk Support is provided.
  • How many ports does the device have, and what is its form factor?
    It has 48 ports and a form factor of Double Wide.
  • Is Small Form-factor Pluggable (SFP) supported?
    Yes, SFP support is included.
  • What is the method for configuring the device?
    The device is configured using the Cisco Command-Line Interface.
  • What are the port operation modes available?
    Port operation modes include Full Duplex, 10 Mbps, 100 Mbps, or 1000 Mbps.
  • Does the hardware support Layer 2 and Layer 3 operations?
    Yes, it supports both Layer 2 and Layer 3 operations.

Product Review

The CISCO SM-D-ES3G-48-P module provides a comprehensive solution for network expansion, offering 48 Ethernet ports capable of supporting speeds up to 1000 Mbps, with both Layer 2 and Layer 3 capabilities, making it versatile for various networking tasks. Despite its advantages, the absence of a physical console interface may limit direct management capabilities, posing a challenge in environments where remote configuration is not an option. Additionally, its compatibility with a select range of Cisco routers (3945, 3925, 2951, 2921) ensures seamless integration but restricts its use to specific network setups, potentially limiting its applicability across diverse network environments.


The CISCO SM-D-ES3G-48-P is a high-performance networking module designed to enhance connectivity and network efficiency for businesses. This module is compatible with several Cisco routers, including the Cisco 3945, Cisco 3925, Cisco 2951, and Cisco 2921, providing a seamless integration for existing network infrastructures. With 48 Ethernet ports supporting speeds of 10/100/1000 Mbps, this module is equipped to handle a wide range of data throughput requirements. The ports are designed for Ethernet connections, ensuring compatibility with a broad array of network devices such as Cisco IP phones, wireless access points, workstations, and more. The double-wide form factor of the module allows for a compact yet powerful expansion of network capabilities. Key Features: -
  • Support for both Layer 2 and Layer 3 networking protocols, enabling efficient routing and switching within the same unit.
  • Power over Ethernet (PoE) support, allowing the module to power connected devices directly through the Ethernet cables, simplifying wiring and reducing clutter.
  • Comprehensive trunk support and Small Form-Factor Pluggable (SFP) support, enhancing the module's adaptability to various networking requirements.
The module facilitates both Fast Ethernet and Gigabit Ethernet connections via RJ-45 connectors, offering flexibility in network design and scalability. Port operation is optimized for full duplex communication at 10 Mbps, 100 Mbps, or 1000 Mbps, ensuring high-speed data transfer and efficient network performance. Additionally, the module supports auto-negotiation for speed and duplex settings, making it easier to manage and configure network speeds without manual intervention. The CISCO SM-D-ES3G-48-P is designed with visibility and ease of use in mind. It features an Enable LED and Port LEDs, with the Enable LED having three states and the Port LEDs having six states, providing clear, at-a-glance status information about network operations. Configuration of the module is streamlined through the Cisco Command-Line Interface (CLI), with support for a wide range of configuration options to tailor network performance to specific requirements. The module uses a CLI confirmation code 508 for secure and reliable configuration changes. Port numbering on the CISCO SM-D-ES3G-48-P is intuitive, running from right to left and top to bottom, facilitating easy identification and management of connections. This thoughtful design ensures that network administrators can efficiently manage and troubleshoot the network. In summary, the CISCO SM-D-ES3G-48-P is a versatile and powerful networking module that provides enhanced connectivity and network management capabilities. Its support for both Layer 2 and Layer 3 protocols, along with PoE, Fast Ethernet, and Gigabit Ethernet connections, makes it an ideal choice for businesses looking to upgrade or expand their network infrastructure. With easy integration into existing Cisco environments and straightforward configuration, this module represents a smart investment in network efficiency and reliability.


Item NumberCISCO SM-D-ES3G-48-P
Total Ports48
Port CategoryEthernet
Maximum Port Speed10/100/1000 Mbps
Module FormDouble Wide
Support for Layer 2Yes
Support for Layer 3Yes
Power over Ethernet (PoE) CapabilityYes
Compatible RoutersCisco 3945, Cisco 3925, Cisco 2951, Cisco 2921
Fast Ethernet AvailabilityYes, Utilizes RJ-45 Connectors
Gigabit Ethernet AvailabilityYes, Utilizes RJ-45 Connectors
Capability for Link AggregationYes
Small Form-factor Pluggable (SFP) CompatibilityYes
Management via Physical ConsoleNo
Operational Modes of PortsFull Duplex at 10, 100, or 1000 Mbps
Automatic Configuration of Speed and Duplex SettingsYes
Indicator for ActivationYes
Indicators on PortsYes
Variants for Activation Indicator3
Variants for Port Indicator6
Use CasesConnection with Cisco IP phones, wireless access points, workstations, and additional network devices
Allows Configuration AdjustmentsYes
Method for ConfigurationVia Cisco’s Command-Line Interface
Command-Line Interface (CLI) Confirmation Code508
Arrangement of Port NumbersRight to Left, Top to Bottom

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