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SPA-1XOC48-ATM
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- Cisco 1-port OC-48c/STM-16 ATM Shared Port Adapter
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SPA-1XOC48-ATM Overview
SPA-1XOC48-ATM is a high-performance WAN module engineered for asynchronous transfer mode (ATM) applications. It is designed to deliver OC-48-level data rates of approximately 2.488 Gbps via optical connectivity using an LC connector, ensuring reliable, high-speed communications in critical network environments such as routers, switches, and servers.
SPA-1XOC48-ATM features a robust PCIe form factor that facilitates easy installation in data center and enterprise systems. Built to support both TCP/IP and ATM protocols, this module is ideal for expanding network capacity and upgrading server interfaces, while delivering essential features like ATM switching and hot-swap capability to ensure optimal uptime and performance.
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SPA-1XOC48-ATM Specifications
| Product Type | Network Module |
| Module Type | WAN Module |
| Data Rate | OC-48 (2.488 Gbps) |
| Connector Type | LC |
| Supported Protocols | TCP/IP, ATM |
| 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 | OC-48 (2.488 Gbps) |
| Supported Features | ATM Switching, Hot-Swap Capability |
| Power Consumption | 10W |
| Interface Ports | Optical |
| Expansion Slots | N/A |
| Product Name | SPA-1XOC48-ATM |
| Height | 0.5 inches |
| Width | 3.4 inches |
| Depth | 5.5 inches |
| Weight | 1.2 lbs |
SPA-1XOC48-ATM Use Case
Service Provider Core Network Bandwidth Scaling
A tier-1 ISP integrates the SPA-1XOC48-ATM Cisco 1-port OC-48c/STM-16 ATM Shared Port Adapter into its Cisco 7600 router to aggregate multiple OC-12 links into a single OC-48c circuit. This high-density solution delivers 2.5 Gbps of deterministic throughput, reduces port sprawl, ensures sub-millisecond latency, and achieves 99.999% network availability under peak demand.
High-Frequency Trading Data Center Interconnect
A global financial institution deploys the SPA-1XOC48-ATM adapter to link its trading engines to an ATM-based WAN at 2.5 Gbps, guaranteeing end-to-end low-latency transport. By providing microsecond-level jitter control, carrier-grade QoS and built-in redundancy, this setup secures uninterrupted trade execution and real-time market data distribution.
Enterprise Disaster Recovery over OC-48 ATM WAN
A multinational enterprise uses the SPA-1XOC48-ATM Cisco 1-port OC-48c/STM-16 ATM Shared Port Adapter to establish a dedicated OC-48c link between its primary data center and remote disaster recovery site. This architecture delivers synchronized backups at 2.5 Gbps, enforces strict QoS for mission-critical applications, and automates failover to maintain continuous business operations.
Quality Certifications
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Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista | Routers, Switches, Servers | Cisco Catalyst 6500 Series | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP |
| Connector Type | LC (Fiber-Optic) | LC Fiber Connector | N/A | LC | RJ-45 |
| Data Rate | 155Mbps | OC-48 | N/A | OC-48 (2.488 Gbps) | 1G |
| Depth | N/A | N/A | N/A | 5.5 inches | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | PCIe | Modular Card | Modular | PCIe | PCIe |
| Height | N/A | N/A | N/A | 0.5 inches | N/A |
| Input Voltage | 3.3V | 3.3V | N/A | 3.3V | 3.3V |
| Interface Ports | Fiber-Optic | Optical | N/A | Optical | Ethernet |
| Max Speed | OC-3 (155Mbps) | OC-48 | N/A | OC-48 (2.488 Gbps) | 1Gbps |
| Module Type | ATM / WAN Module | OC-48 Packet Over SONET Module | Fan Module | WAN Module | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 5W | 15W | N/A | 10W | 5W |
| Product Name | SPA-4XOC3-ATM | SPA-1XOC48POS/RPR | WS-C6513-E-FAN | SPA-1XOC48-ATM | SPA-5X1GE |
| Product Type | Network Module / Network Card | Network Module | Cooling Fan Module | Network Module | Network Module / Network Card |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | ATM switching / QoS / Hot-swappable | Rapid Ring Protection, High Availability | Hot-swappable, high reliability | ATM Switching, Hot-Swap Capability | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS |
| Supported Protocols | ATM / TCP/IP | TCP/IP, SONET, POS | N/A | TCP/IP, ATM | TCP/IP |
| Weight | N/A | N/A | N/A | 1.2 lbs | N/A |
| Width | N/A | N/A | N/A | 3.4 inches | N/A |
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Questions & Answers
Q
What is the Cisco 1-port OC-48c/STM-16 ATM Shared Port Adapter (SPA-1XOC48-ATM)?
A
The SPA-1XOC48-ATM is a Cisco shared port adapter that delivers a single OC-48c/STM-16 ATM interface for high-speed WAN connectivity in Cisco router chassis.
Q
What are the key features of the SPA-1XOC48-ATM?
A
Key features include a 2.488 Gbps ATM interface, integrated traffic shaping, QoS support, hardware-based cell forwarding and compatibility with Cisco IOS Software.
Q
Which Cisco router platforms support the SPA-1XOC48-ATM?
A
This SPA is supported on Cisco 7200, 7301, 7500 and 7600 series routers equipped with an SPA-enabled supervisor engine.
Q
What is the maximum data rate of the Cisco SPA-1XOC48-ATM?
A
The adapter provides a full OC-48c/STM-16 data rate of up to 2.488 Gbps for both ingress and egress traffic.
Q
What physical interface does the SPA-1XOC48-ATM offer?
A
It offers a single Small Form‐Factor Pluggable (SFP) OC-48c/STM-16 optical interface for standard ATM networks.
Q
Is the SPA-1XOC48-ATM backward compatible with OC-12 and OC-3 networks?
A
Yes, the module supports backward compatibility to OC-12 (622 Mbps) and OC-3 (155 Mbps) rates via Cisco IOS configuration.
Q
How do I install the Cisco 1-port OC-48c/STM-16 ATM SPA?
A
To install, power down the router, insert the SPA into an SPA-enabled slot, secure the module, install the SFP transceiver and power up the system.
Q
What are the common use cases for the SPA-1XOC48-ATM?
A
Typical use cases include high-capacity ATM WAN links, backhauling voice and video services and connecting to legacy carrier ATM networks.
Q
Does the SPA-1XOC48-ATM support ATM traffic shaping and QoS?
A
Yes, it supports hardware-based ATM traffic shaping, cell-level policing and quality-of-service controls under Cisco IOS.
Q
What are the dimensions and power requirements of the module?
A
The adapter measures approximately 8.2 x 5.2 x 1.1 inches, consumes up to 20 Watts, and requires standard router chassis power.
Q
What warranty and support options are available for the SPA-1XOC48-ATM?
A
Cisco offers a limited lifetime hardware warranty with 90 days of software updates and optional SMARTnet support for extended coverage.
Q
How can I monitor performance statistics on the SPA-1XOC48-ATM?
A
Use Cisco IOS commands like show controllers atm and show interfaces atm to view real-time metrics, errors and utilization.
Q
Does this SPA require specific Cisco IOS Software versions?
A
Yes, it requires Cisco IOS Release 12.3(4)T or later on supported platforms for full feature compatibility.
Q
How many virtual circuits (VCCs) does the module support?
A
The SPA-1XOC48-ATM supports up to 4,000 permanent virtual circuits (PVCs) per port under ATM standards.
Q
What is the typical latency introduced by the OC-48 ATM SPA?
A
Latency is typically sub-microsecond for cell switching, ensuring minimal delay for time-sensitive applications.
Q
How do I order the Cisco SPA-1XOC48-ATM or request a quote?
A
Contact your authorized Cisco reseller or use Cisco’s online ordering portal with SKU SPA-1XOC48-ATM to obtain pricing and lead times.
