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SPA-4XOC3-ATM
4-port OC-3c/STM-1 ATM Shared Port Adapter
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SPA-4XOC3-ATM is a high-performance ATM and WAN module engineered to deliver reliable OC-3 connectivity, providing four optical ports that support data rates of 155Mbps per channel. Designed with fiber-optic LC connectors, this module offers seamless integration with routers, switches, and other network devices while supporting essential protocols such as ATM and TCP/IP.
Optimized for data center expansion and upgrading server network interfaces, the SPA-4XOC3-ATM features a PCIe form factor for straightforward installation and robust performance. Its industrial-grade design ensures reliable operation under demanding conditions, making it an ideal choice for telecommunications infrastructure and high-speed network applications.
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An Internet Service Provider deploys the SPA-4XOC3-ATM-4-port OC-3c/STM-1 ATM Shared Port Adapter on a Cisco ASR 9000 series router to terminate multiple OC-3c/STM-1 ATM circuits at the network edge. By leveraging ATM sub-interfaces for voice, video and data, the provider achieves granular traffic segmentation, end-to-end QoS and SLA assurance across its backbone. The solution delivers up to 622 Mbps per port, simplifies multi-service convergence and drives 24×7 reliability for high-availability carrier networks.
A multinational bank integrates the SPA-4XOC3-ATM-4-port OC-3c/STM-1 ATM Shared Port Adapter into its data-center core to aggregate diverse ATM links from global branch offices. The adapter’s hardware-based traffic shaping and priority queuing ensure sub-millisecond latency for real-time transaction processing and secure data transfer. This deployment streamlines bandwidth utilization, enforces strict QoS policies and maintains regulatory compliance for financial data confidentiality and integrity.
A regional hospital leverages the SPA-4XOC3-ATM-4-port OC-3c/STM-1 ATM Shared Port Adapter on a resilient Cisco 7600 router to establish redundant ATM circuits to its off-site disaster-recovery facility. With transparent ATM PVC provisioning and circuit-level failover, the hospital achieves continuous data replication of electronic health records (EHR). The solution guarantees business continuity, accelerates RTO/RPO targets and enhances patient-care assurance under stringent healthcare compliance standards.
To get the detailed certification, please go to the Compliance Center.
 SPA-4XOC3-ATM |  SPA-10X1GE |  WS-X6148-FE-SFP |  WS-X6196-RJ-21 |  WS-SVC-IDS2-BUN-K9 | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module | Network Module / Network Card | Network Module | Network Module / Network Card |
| Module Type | ATM / WAN Module | Ethernet | Ethernet | Ethernet | Ethernet |
| Data Rate | 155Mbps | 1G | 100Mbps | 10G | 10Gbps |
| Connector Type | LC (Fiber-Optic) | RJ-45 | SFP | RJ-45 | SFP+ |
| Supported Protocols | ATM / TCP/IP | TCP/IP | TCP/IP, Ethernet | TCP/IP, iSCSI | TCP/IP |
| Form Factor | PCIe | PCIe | Modular | PCIe | 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 | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Arista | Routers / Switches / Servers | Cisco Catalyst Series | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP |
| Max Speed | OC-3 (155Mbps) | 1Gbps | 100Mbps | 10Gbps | 10Gbps |
| Supported Features | ATM switching / QoS / Hot-swappable | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Power Consumption | 5W | N/A | 25W | 8W | 15W |
| Interface Ports | Fiber-Optic | Ethernet | SFP | Ethernet | Ethernet |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | SPA-4XOC3-ATM | SPA-10X1GE | WS-X6148-FE-SFP | WS-X6196-RJ-21 Network Module | WS-SVC-IDS2-BUN-K9 |
| Height | N/A | N/A | N/A | 1.0 inches | 1.5 inches |
| Width | N/A | N/A | N/A | 3.0 inches | 3.5 inches |
| Depth | N/A | N/A | N/A | 7.0 inches | 0.5 inches |
| Weight | N/A | N/A | N/A | 1.2 lbs | 1.2 lbs |
The SPA-4XOC3-ATM module has been a great addition to our network. It offers stable, high-speed ATM connections and supports our growing data transfer needs.
This adapter works seamlessly with our existing infrastructure. The SPA-4XOC3-ATM ensures reliable and fast ATM connectivity with minimal configuration.
We rely on the SPA-4XOC3-ATM for high-speed ATM connections. It's been a solid performer, offering stable and uninterrupted data transfer.
The SPA-4XOC3-ATM provides excellent performance and high-speed data transmission. It integrates smoothly with our network and ensures reliable service.
The SPA-4XOC3-ATM module has been perfect for our network. It delivers fast and reliable ATM connectivity, ensuring smooth data transfer.
The SPA-4XOC3-ATM is a four-port OC-3c/STM-1 ATM Shared Port Adapter for Cisco modular routers, providing high-performance 155 Mbps ATM connectivity per port.
It is supported on Cisco 1800, 2800, and 3800 Series Integrated Services Routers equipped with a SPA slot and compatible IOS feature set.
The adapter features four OC-3c/STM-1 ports, each delivering up to 155 Mbps full-duplex throughput for ATM services.
It supports permanent virtual circuits (PVCs), switched virtual circuits (SVCs), AAL1/AAL5, traffic shaping, cell loss priority (CLP), and OAM cell functions.