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SPA-4XCT3/DS0
Cisco ASR 9000 Adapter SPA-4XCT3/DS0 4-port Channelized T3 t...
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Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
SPA-4XCT3/DS0 is an advanced Ethernet network adapter engineered for high-performance environments. It delivers a robust 10Gbps data rate via a PCIe interface and supports key protocols including TCP/IP, UDP, iSCSI, and NFS while offering seamless compatibility with Windows, Linux, macOS, VMware, and Hyper-V. Designed in an internal PCIe card form factor, this adapter is optimized for data centers, high-speed workstations, and small office networks.
SPA-4XCT3/DS0 features precision engineering for reliable performance with auto-negotiation, Wake-on-LAN, Jumbo Frames, and QoS support. It operates within 0 to 70°C, ensuring stability in rigorous environments, and comes with a 3.3V input voltage requirement and an RJ-45 connector offering up to 100 meters of range, making it an ideal solution for mission-critical applications.
SPA-4XCT3/DS0 price is $19,163.00, a 68.1% saving from the Cisco list price of $60,000.00. SPA-4XCT3/DS0 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SPA-4XCT3/DS0 for additional pricing. Browse the full Router Asr 9000 Network Adapters series or explore all Cisco products.
Telecom operators use the SPA-4XCT3/DS0 on Cisco ASR 9000 to channelize four T3 links into 168 DS0 circuits, enabling seamless migration of legacy TDM voice trunks to modern IP infrastructure. This approach minimizes capital outlay, accelerates service rollout and preserves existing PBX investments while delivering carrier-grade voice quality and high-density port consolidation.
Large enterprises deploy the SPA-4XCT3/DS0 adapter in ASR 9000 routers to extend distributed PBX and low-speed data services across branch offices via channelized T3 circuits. By sharing four T3 links into DS0 channels, IT teams simplify network management, optimize bandwidth utilization and reduce operational expenditure through a unified WAN architecture.
Financial institutions and service providers leverage the SPA-4XCT3/DS0 on redundant Cisco ASR 9000 platforms to replicate mission-critical DS0 signaling and alarm channels over multiple T3 paths. This design ensures sub-second failover, zero data loss for voice and low-speed data services, and compliance with stringent uptime SLAs, delivering unmatched network resilience.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| SPA-4XCT3/DS0 |  SPA-OC192POS-XFP |  SPA-8XCHT1/E1 |  SPA-1XCHSTM1/OC3 |  SPA-2XCHOC12/DS0 | |
|---|---|---|---|---|---|
| Product Type | Network Adapter | Optical Network Adapter | Network Adapter | Network Adapter | Network Adapter |
| Adapter Type | Ethernet | Converged | Ethernet | Ethernet | Converged |
| Data Rate | 10Gbps | 10G | 10Gbps | 10Gbps | 10Gbps |
| Connection Interface | PCIe | XFP | PCIe | PCIe | PCIe 3.0 |
| Supported Protocols | TCP/IP, UDP, iSCSI, NFS | TCP/IP, UDP | TCP/IP, UDP, iSCSI | TCP/IP, UDP, iSCSI | TCP/IP / UDP / iSCSI |
| Form Factor | Internal PCIe Card | External Module | Internal PCIe Card | Internal PCIe Card | Internal PCIe Card |
| 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 | 3.3V | 3.3V |
| Compatibility | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS, VMware, Hyper-V | Windows, Linux, macOS | Windows, Linux, macOS, VMware, Hyper-V | Windows / Linux / macOS / VMware / Hyper-V |
| Max Speed | 10Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Supported Features | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Connector Type | RJ-45 | LC | RJ-45 | RJ-45 | RJ-45 |
| Product Name | SPA-4XCT3/DS0 | SPA-OC192POS-XFP | SPA-8XCHT1/E1 High-Speed Ethernet Adapter | SPA-1XCHSTM1/OC3 High-Performance Ethernet Adapter | SPA-2XCHOC12/DS0 |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reliable adapter for channelized T3 services. Stable DS0 performance in production.
Integrated smoothly with our ASR 9000. No packet loss observed.
Good solution for supporting legacy transport circuits. Performs consistently.
Cisco quality adapter that delivered predictable results.
Dependable hardware for maintaining older infrastructure.
United States
