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SM-D-ES2-48
Cisco 2900 and 3900 series module SM-D-ES2-48 Enhanced Ether...
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SM-D-ES2-48 is a high-performance Ethernet module engineered for data center environments and enterprise networking. This PCIe-based network card features dual SFP+ connectors and supports 10Gbps data rates, ensuring reliable and efficient connectivity for routers, switches, and servers.
Designed with modern network infrastructures in mind, SM-D-ES2-48 supports protocols such as TCP/IP and iSCSI, making it ideal for expanding data center capacity and upgrading server network interfaces. Its modular form factor and tool-free installation allow for quick integration into existing systems while delivering advanced features like auto-negotiation, wake-on-LAN, jumbo frames, and QoS.
SM-D-ES2-48 price is $1,186.00, a 66.4% saving from the Cisco list price of $3,526.00. SM-D-ES2-48 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SM-D-ES2-48 for additional pricing. Browse the full Nm Nme Em Network Modules series or explore all Cisco products.
In a mid-sized enterprise branch, IT deploys the SM-D-ES2-48 module in a Cisco 2900 Series router to support 48 Fast Ethernet endpoints across HR, Finance and Guest VLANs. By leveraging hardware-accelerated VLAN tagging and private VLAN features, network administrators isolate sensitive corporate traffic, reduce collision domains and optimize inter-departmental bandwidth. Outcome: segmented, high-performance connectivity with under 5 ms latency per port, simplified policy enforcement and streamlined compliance reporting.
A multinational firm rolls out IP telephony to 40 remote sites using the SM-D-ES2-48 Enhanced EtherSwitch on Cisco 3900 Series platforms. Integrated Layer-2 QoS, port-based ACLs and low-latency forwarding ensure jitter-free voice calls and real-time collaboration. Outcome: 30 % reduction in call setup time, guaranteed voice-quality SLAs, centralized management of phone endpoints and rapid provisioning of new users.
A national retailer leverages the SM-D-ES2-48 module on Cisco 2900 routers to connect 24 point-of-sale terminals, 12 IP cameras and store Wi-Fi access points. Using VLAN-based traffic separation and priority queuing, the solution secures payment data while guaranteeing uninterrupted video feeds and guest Internet access. Outcome: PCI-compliant network segmentation, 40 % fewer network support tickets and consolidated infrastructure that scales as new devices are added.
To get the detailed certification, please go to the Compliance Center.
| SM-D-ES2-48 |  NM-32A |  NM-HDV2-1T1/E1 |  EVM-HD-8FXS/DID |  NME-X-23ES-1G | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module / Network Card | Network Module | Telephony Interface Module | Ethernet Module |
| Module Type | Ethernet | Ethernet | WAN | FXS/DID | Ethernet |
| Data Rate | 10G | 10G | 1.544 Mbps / 2.048 Mbps | N/A | 1G |
| Connector Type | SFP+ | SFP+ | RJ-48 | RJ-11 | RJ-45 |
| Supported Protocols | TCP/IP / iSCSI | TCP/IP, iSCSI | N/A | SIP / Analog Telephony | TCP/IP |
| Form Factor | PCIe | PCIe | Modular | Modular | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 5V | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Dell, HP | N/A | Telephony Systems | Cisco / Juniper / Arista / Dell / HP |
| Max Speed | 10Gbps | 10Gbps | N/A | N/A | 1Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | N/A | FXS interface, Direct Inward Dialing, Caller ID, Call Waiting | Auto-negotiation / Wake-on-LAN / Jumbo Frames |
| Power Consumption | 15W | 12W | N/A | 5W | 5W |
| Interface Ports | SFP+ | Ethernet | N/A | FXS | Ethernet |
| Expansion Slots | N/A | N/A | NIM | N/A | N/A |
| Product Name | SM-D-ES2-48 Ethernet Module | NM-32A High-Performance 10GbE Network Module | NM-HDV2-1T1/E1 | EVM-HD-8FXS/DID | NME-X-23ES-1G |
| Height | 1.0 inches | 1.0 inches | N/A | N/A | N/A |
| Width | 3.0 inches | 4.5 inches | N/A | N/A | N/A |
| Depth | 4.0 inches | 0.5 inches | N/A | N/A | N/A |
| Weight | 0.75 lbs | 0.5 lbs | N/A | N/A | N/A |
Excellent switching module with strong Layer 2 performance. Handles office traffic reliably.
48 ports gave us flexibility without adding extra switches.
Stable EtherSwitch module with easy management.
Integrated cleanly into our ISR with no performance concerns.
Dependable Cisco switching solution for campus environments.
The Cisco SM-D-ES2-48 is a Layer 2 switching expansion module for 2900 and 3900 Series routers that delivers 48 Fast Ethernet ports for high-density access.
The SM-D-ES2-48 is compatible with Cisco 2900 and 3900 Series Integrated Services Routers equipped with an SM expansion slot.
This module provides 48 Fast Ethernet (10/100 Mbps) ports for access-layer connectivity in branch and campus environments.
It supports IEEE 802.1Q VLAN, Spanning Tree Protocol (STP/RSTP), port aggregation (LACP), SNMP, and basic QoS for traffic prioritization.
Power down the router, insert the SM-D-ES2-48 into the SM slot on the front panel, secure with captive screws, and power cycle the router for automatic recognition.
No, the SM-D-ES2-48 requires a router reboot to initialize and apply its switching capabilities.
Manage the module via Cisco IOS CLI commands, SNMP, Cisco Prime Infrastructure, or Cisco Configuration Professional.
The SM-D-ES2-48 delivers up to 9.6 Gbps of aggregate wire-rate forwarding to handle full-duplex traffic on all 48 ports.
It draws approximately 15 W at 12 V DC under maximum load conditions, minimizing impact on router power budgets.
Yes, it supports IEEE 802.1Q VLAN tagging with up to 256 VLAN instances for traffic segmentation.
The module requires Cisco IOS 15.1(4)M or later with the IP Base or Security feature set enabled.
Cisco provides a limited lifetime hardware warranty plus 90 days of complimentary Cisco Technical Support for the SM-D-ES2-48.
Use IOS commands such as show interfaces status, verify LED indicators, inspect cable connections, and debug spanning-tree as needed.
Ideal use cases include branch office access layers, campus building networks, and small data centers requiring high port density.
The SM-D-ES2-48 doubles port density with 48 ports versus 24, while offering identical Layer 2 feature support and throughput performance.
Yes, it provides four hardware queues per port, priority queuing, traffic shaping, and policing for basic QoS enforcement.
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