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SPA-4XOC48POS/RPR
- Description:
- 4-port OC48/STM16 POS/RPR Shared Port Adapters
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SPA-4XOC48POS/RPR Overview
SPA-4XOC48POS/RPR is a high-performance WAN module engineered for delivering reliable OC-48 optical connectivity within modern networking environments. Designed to integrate seamlessly with routers, switches, and servers, this network card features four optical ports with LC connectors, a PCIe form factor for straightforward installation, and support for SONET/SDH protocols, making it ideal for telecom and data center applications.
Optimized for expanding network capacity and upgrading high-speed interfaces, SPA-4XOC48POS/RPR provides 2.488 Gbps per port, ensuring robust throughput and low latency across demanding deployments. Its design not only supports a wide operating temperature range and competitive power efficiency but also guarantees compatibility with leading vendor platforms such as Cisco, Juniper, Arista, Dell, and HP.
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Explore more options from Network Modules And Cards or explore other Cisco products.
SPA-4XOC48POS/RPR Specifications
| Product Type | Network Module / Network Card |
| Module Type | WAN Module |
| Data Rate | OC-48 (2.488 Gbps per port) |
| Connector Type | LC |
| Supported Protocols | SONET/SDH |
| 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 per port) |
| Supported Features | Auto-negotiation / QoS |
| Power Consumption | 12W |
| Interface Ports | Optical Fiber |
| Expansion Slots | N/A |
| Product Name | SPA-4XOC48POS/RPR |
| Height | 1.73 inches |
| Width | 3.44 inches |
| Depth | 0.75 inches |
| Weight | 1.2 lbs |
SPA-4XOC48POS/RPR Use Case
High-Capacity Tier-1 Backbone Aggregation with OC48/STM16 Shared Port Adapter
A global service provider integrates the SPA-4XOC48POS/RPR-4-port OC48/STM16 POS/RPR Shared Port Adapter into its core Cisco router fleet to aggregate four independent OC48/STM16 links over a single chassis slot. By dynamically allocating ports between POS and RPR, the operator increases link utilization by 30%, delivers up to 19.9 Gbps per port and achieves N+1 resiliency. Outcome: higher revenue per fiber, simplified operations and sub-50 ms failover to meet demanding SLAs.
Self-Healing Metro Ethernet Ring for Smart City Broadband
A metropolitan utility deploys multiple SPA-4XOC48POS/RPR adapters on Cisco aggregation switches to build a resilient packet ring across 16 downtown nodes. Leveraging RPR’s distributed fairness and sub-100 ms protection switching, the smart-grid network sustains guaranteed throughput for video surveillance and IoT telemetry. Outcome: deterministic performance, 40% lower CAPEX by reusing existing fiber, and rapid fault isolation to maintain 24/7 public services.
Ultra-Low-Latency Financial Trading Interconnect with POS/RPR Shared Ports
A financial exchange uses the SPA-4XOC48POS/RPR on high-performance routers to connect multiple data centers over dedicated OC48/STM16 trunks. Hardware-accelerated forwarding with sub-200 μs port-to-port latency and selective POS header compression ensures minimal jitter. Outcome: sub-2 μs latency variance, robust ring protection for continuous market data flow and a 25% reduction in lease costs by consolidating four physical ports into one adapter.
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 | Cisco / Juniper / Arista / Dell / HP | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco Catalyst 6500 Series |
| Connector Type | SFP+ | LC | SFP+ | XFP | N/A |
| Data Rate | 10Gbps | OC-48 (2.488 Gbps per port) | 10Gbps | 10Gbps | N/A |
| Depth | 5 inches | 0.75 inches | 0.5 inches | N/A | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Form Factor | PCIe | PCIe | PCIe | PCIe | Modular |
| Height | 0.5 inches | 1.73 inches | 1.0 inches | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | N/A |
| Interface Ports | Ethernet | Optical Fiber | Ethernet / SFP+ | XFP | N/A |
| Max Speed | 10Gbps | OC-48 (2.488 Gbps per port) | 10Gbps | 10Gbps | N/A |
| Module Type | Ethernet | WAN Module | Ethernet Module | SFP+ | Cooling Fan Module |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 12W | 12W | 15W | N/A | N/A |
| Product Name | FAN-C6524 High-Performance Ethernet Module | SPA-4XOC48POS/RPR | MEM-C6KNAM-2GB | SPA-1XTENGE-XFP | WS-C6K-13SLT-FAN2 |
| Product Type | Network Module / Network Card | Network Module / Network Card | Network Card | Network Card | Fan Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation / QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Hot-swappable, Redundant cooling |
| Supported Protocols | TCP/IP, iSCSI | SONET/SDH | TCP/IP | TCP/IP | N/A |
| Weight | 1.2 lbs | 1.2 lbs | 0.3 lbs | N/A | N/A |
| Width | 3.5 inches | 3.44 inches | 3.5 inches | N/A | N/A |
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Questions & Answers
Q
What is the SPA-4XOC48POS/RPR adapter and what does it do?
A
The SPA-4XOC48POS/RPR is a 4-port OC48/STM16 POS/RPR shared port adapter that delivers high-speed Packet over SONET/SDH and Resilient Packet Ring connectivity for Cisco routers.
Q
Which Cisco platforms support the SPA-4XOC48POS/RPR module?
A
This adapter is supported on Cisco 7600, ASR 1000, and select ISR G2 routers with a dedicated SPA interface slot.
Q
What throughput does each port of the SPA-4XOC48POS/RPR provide?
A
Each OC48/STM16 port delivers up to 2.5 Gbps of full-duplex bandwidth for packet transport.
Q
How many simultaneous POS and RPR connections are possible?
A
The card supports four concurrent Packet over SONET/SDH or Resilient Packet Ring sessions, one per port.
Q
Is the SPA-4XOC48POS/RPR hot-swappable?
A
Yes, this adapter is fully hot-swappable to ensure zero-downtime hardware replacement and network resilience.
Q
What cabling and transceivers are required for installation?
A
You need compatible OC48/STM16 SFP transceivers and single-mode fiber optic cabling to connect each port.
Q
How is the SPA-4XOC48POS/RPR configured in IOS?
A
Configuration is done via Cisco IOS interface commands: assign IP, configure POS encapsulation, and enable RPR ring functions under each Serial interface.
Q
Does the adapter support IPv6 over POS links?
A
Yes, it fully supports IPv6 forwarding and dual-stack configurations over OC48/STM16 POS interfaces.
Q
What redundancy features does the SPA-4XOC48POS/RPR offer?
A
It supports Multilink PPP, interface tracking, and Resilient Packet Ring protection switching for carrier-grade redundancy.
Q
What are the power and environmental requirements?
A
The module consumes approximately 25 W and operates within 0–40 °C ambient temperature and 10–90% non-condensing humidity.
Q
How do I verify SPA-4XOC48POS/RPR status after installation?
A
Use 'show controllers pos' and 'show rpr interface' IOS commands to confirm link status, errors, and ring health.
Q
Do I need additional software licenses?
A
No extra license is required beyond the platform’s native WAN and advanced IP feature entitlements.
Q
Can the SPA-4XOC48POS/RPR adapter be used for multicast traffic?
A
Yes, it supports multicast replication and bandwidth reservation for efficient group traffic delivery.
Q
What SLAs and performance levels can be achieved?
A
It delivers carrier-class latency under 10 µs and sub-50 ms RPR protection switching to meet strict SLAs.
Q
Where can I get technical support and documentation?
A
Download the hardware installation guide and software configuration guide from Cisco’s support website or contact your Cisco account team.
