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SPA-4X1FE-TX-V2
- Description:
- Cisco 4-Port Fast Ethernet (TX) Shared Port Adapter
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SPA-4X1FE-TX-V2 Overview
SPA-4X1FE-TX-V2 is a high-performance Ethernet module engineered for reliable 1Gbps connectivity in demanding network environments. Designed with a standard RJ-45 connector and a PCIe form factor, this network card is ideally suited for routers, switches, and servers, ensuring seamless integration into existing infrastructures while supporting essential protocols like TCP/IP.
Optimized for expanding data center capacity and upgrading server network interfaces, SPA-4X1FE-TX-V2 delivers robust features such as auto-negotiation, Wake-on-LAN, jumbo frames, and QoS for enhanced traffic management. Its design ensures operational reliability across a wide temperature range, making it a trusted choice for mission-critical applications in modern network deployments.
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SPA-4X1FE-TX-V2 Specifications
| Product Type | Network Card |
| Module Type | Ethernet |
| Data Rate | 1Gbps |
| Connector Type | RJ-45 |
| Supported Protocols | TCP/IP |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP |
| Max Speed | 1Gbps |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | 6.8W |
| Interface Ports | Ethernet |
| Expansion Slots | N/A |
| Product Name | SPA-4X1FE-TX-V2 |
| Height | 1.73 inches |
| Width | 3.44 inches |
| Depth | 0.75 inches |
| Weight | 0.85 lbs |
SPA-4X1FE-TX-V2 Use Case
Resilient Branch-Office WAN Connectivity with SPA-4X1FE-TX-V2
A mid-sized retailer deploys the SPA-4X1FE-TX-V2 Cisco 4-Port Fast Ethernet (TX) Shared Port Adapter on its ISR 4000 router to terminate four separate ISP circuits for primary and secondary Internet access. By configuring dynamic load-balancing and automated failover across the four Fast Ethernet links, the IT team ensures uninterrupted e-commerce transactions and real-time POS synchronization. Outcome: 99.99% branch uptime, 30% reduction in dedicated backup-link costs and streamlined WAN management.
Data-Center Network Consolidation and VLAN Segmentation
An enterprise virtualization team integrates the SPA-4X1FE-TX-V2 module into a Cisco ISR 4321 to aggregate management, vMotion, guest and storage networks over four tagged Fast Ethernet ports. Each port is assigned to a dedicated VLAN trunk, isolating traffic streams and improving throughput for VMware ESXi clusters. Outcome: 40% reduction in physical NICs, simplified network provisioning and enhanced security posture through granular segmentation.
Guaranteed Voice-Quality in SMB Unified Communications
A small professional services firm installs the SPA-4X1FE-TX-V2 adapter on its ISR 4451 to deliver separate Fast Ethernet uplinks for IP phones, video conferencing and data traffic. Leveraging Cisco IOS QoS policies per port, voice and video streams receive priority forwarding while data flows remain protected. Outcome: crystal-clear call quality, 25% fewer customer support tickets and a consolidated cabling footprint for unified communications.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Compatibility | Cisco / Juniper / Arista / Dell / HP | Routers, Switches, Servers | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco Catalyst 6500 Series |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP+ | Integrated Backplane Connector |
| Data Rate | 1Gbps | 10Gbps | 10Gbps | 10Gbps | N/A |
| Depth | 0.75 inches | N/A | 5 inches | 8.0 inches | N/A |
| Expansion Slots | N/A | N/A | N/A | PCIe | N/A |
| Form Factor | PCIe | Modular | PCIe | PCIe | Modular |
| Height | 1.73 inches | N/A | 0.5 inches | 1.5 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Interface Ports | Ethernet | SFP+ | Ethernet | Ethernet / SFP+ | N/A |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps | N/A |
| Module Type | Ethernet | Ethernet | Ethernet | Ethernet | Supervisor Engine |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 50°C |
| Power Consumption | 6.8W | N/A | 12W | 15W | N/A |
| Product Name | SPA-4X1FE-TX-V2 | VS-S2T-10G | FAN-C6524 High-Performance Ethernet Module | 7600-SIP-400 | WS-SUP720-3BXL Supervisor Engine 720 |
| Product Type | Network Card | Network Module | Network Module / Network Card | Network Module / Network Card | Supervisor Engine Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 70°C |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | High Availability / Redundancy / Advanced Routing / QoS |
| Supported Protocols | TCP/IP | TCP/IP | TCP/IP, iSCSI | TCP/IP | TCP/IP / MPLS / Routing Protocols |
| Weight | 0.85 lbs | N/A | 1.2 lbs | 1.2 lbs | N/A |
| Width | 3.44 inches | N/A | 3.5 inches | 3.4 inches | N/A |
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Questions & Answers
Q
What is the Cisco SPA-4X1FE-TX-V2 Shared Port Adapter?
A
The Cisco SPA-4X1FE-TX-V2 is a 4-port Fast Ethernet (TX) Shared Port Adapter designed for Cisco 2600 and 2800 series routers, delivering reliable 100 Mbps connectivity for WAN and LAN applications.
Q
How many ports and what speeds does the SPA-4X1FE-TX-V2 support?
A
This adapter provides four 10/100 Mbps Fast Ethernet (TX) ports with auto-sensing full- and half-duplex operation to match network devices and maximize throughput.
Q
Which Cisco router models are compatible with the SPA-4X1FE-TX-V2?
A
The SPA-4X1FE-TX-V2 is compatible with Cisco 2600, 2600XM, 2800, and 2800XM series integrated services routers with an available SPA slot.
Q
What cabling is required for the Cisco SPA-4X1FE-TX-V2?
A
You need standard Category 5 (Cat 5) or better unshielded twisted-pair (UTP) Ethernet cables terminated with RJ-45 connectors for each Fast Ethernet port.
Q
Does the SPA-4X1FE-TX-V2 support full-duplex operation?
A
Yes. The adapter supports IEEE 802.3x full-duplex flow control for reliable bidirectional performance at 100 Mbps on each port.
Q
Is the Cisco SPA-4X1FE-TX-V2 hot-swappable?
A
No. To install or remove the SPA-4X1FE-TX-V2, you must power down the router to prevent hardware damage and ensure proper detection.
Q
What IOS versions support the SPA-4X1FE-TX-V2?
A
The SPA-4X1FE-TX-V2 is supported on Cisco IOS Software Release 12.3(8)T or later for 2600/2800 series routers; verify compatibility in the Cisco Feature Navigator.
Q
How do I install the SPA-4X1FE-TX-V2 in my router?
A
Power off the router, remove the blank SPA cover, slide the module into the SPA slot until it clicks, secure the faceplate screw, and power the router back on.
Q
How do I configure Fast Ethernet ports on the SPA-4X1FE-TX-V2?
A
Use Cisco IOS commands under the global configuration mode (interface fastethernet slot/port, ip address, no shutdown) to assign IPs, enable ports, and apply VLANs.
Q
Does the SPA-4X1FE-TX-V2 support VLAN tagging?
A
Yes. It supports IEEE 802.1Q VLAN tagging, allowing you to segment traffic and enforce quality-of-service policies on each Fast Ethernet port.
Q
What is the maximum throughput of the Cisco SPA-4X1FE-TX-V2?
A
The adapter delivers up to 400 Mbps aggregated throughput across all four ports, subject to router backplane and CPU resources.
Q
What power consumption should I expect from the SPA-4X1FE-TX-V2?
A
Typical power consumption is 1.2 Watts per port (4.8 Watts total) under full load; check your router’s power budget to ensure adequate provisioning.
Q
How can I troubleshoot link or speed negotiation issues?
A
Verify cable integrity and length, confirm matching speed/duplex settings on both ends, use show interface commands to check errors, and upgrade IOS if needed.
Q
What warranty and support options are available?
A
Cisco offers a limited lifetime warranty for the SPA-4X1FE-TX-V2 with 90-day hardware replacement; you can purchase extended service contracts via Cisco SMARTnet.
Q
Where can I purchase the Cisco SPA-4X1FE-TX-V2?
A
You can order the SPA-4X1FE-TX-V2 through authorized Cisco resellers, online marketplaces, or directly from Cisco’s e-store using SKU SPA-4X1FE-TX-V2.
Q
Are there any environmental or mounting considerations?
A
The SPA-4X1FE-TX-V2 operates from 0°C to 40°C and 10%–90% non-condensing humidity; always mount the adapter in a Cisco-approved router chassis with proper airflow.
Q
Is the SPA-4X1FE-TX-V2 being phased out or replaced?
A
The SPA-4X1FE-TX-V2 remains fully supported, but check Cisco’s End-of-Life announcements for future product updates or migration paths.
