Cisco SPA-4XOC3-POS-V2 4 Port Expansion Module
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SPA-4XOC3-POS-V2 Cisco 4-Ports Shared Port Adapters Refurbished

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Part Number#: SPA-4XOC3-POS-V2
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Short Description:
SPA-4XOC3-POS-V2 4-Ports OC-3/STM-1 POS Shared Port Small Form-Factor Pluggable (SFP) Adapters | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco SPA-4XOC3-POS-V2 SFP Adapters

The Cisco SPA-4XOC3-POS-V2 is a set of Small Form-Factor pluggable (SFP) adapters designed to facilitate OC-3/STM-1 POS connections in networking equipment. These adapters are used to enable the transmission of data over high-speed optical networks, offering versatility and scalability to networking configurations.

Understanding SFP Adapters for OC-3/STM-1 POS Connections

SFP adapters are modules that are plugged into networking devices, providing specific functionalities such as transmitting and receiving data over fiber optic networks. OC-3/STM-1 refers to high-speed connections utilized in telecommunication networks.

Features of Cisco SPA-4XOC3-POS-V2 SFP Adapters

4-Port Configuration

The SPA-4XOC3-POS-V2 adapters offer a configuration of four ports, allowing multiple OC-3/STM-1 connections simultaneously.

OC-3/STM-1 Compatibility

Designed to support OC-3/STM-1 connections, these adapters enable high-speed data transmission over optical networks.

Small Form-Factor Pluggable (SFP)

Utilizing the SFP format, these adapters are easily replaceable and can be hot-swapped in compatible networking devices, providing flexibility and ease of use.

Importance of OC-3/STM-1 Adapters in Networking

OC-3/STM-1 adapters offer several advantages in networking environments:

High-Speed Connectivity

Supporting high-speed OC-3/STM-1 connections, these adapters enable rapid data transfer between network devices.

Scalability and Versatility

Adapters with multiple ports, like the SPA-4XOC3-POS-V2, allow for scalable and versatile networking configurations, accommodating diverse connectivity needs.

Reliability in Optical Networks

Utilizing fiber optic networks, these adapters ensure reliable data transmission, even over long distances, making them suitable for telecommunications.

Benefits of Using Cisco SPA-4XOC3-POS-V2 SFP Adapters

Multiple Port Configurations

With four ports, these adapters enable simultaneous connections, facilitating efficient data transmission across networks.

Compatibility and Interchangeability

Being SFP adapters, they are compatible with various networking devices and can be easily swapped or replaced without disrupting network operations.

High-Speed Data Transfer

Supporting OC-3/STM-1 connections, these adapters ensure high-speed data transfer, crucial for bandwidth-intensive applications.

Use Cases for Cisco SPA-4XOC3-POS-V2 SFP Adapters

Telecommunication Networks

In telecommunications, these adapters facilitate high-speed data transmission, supporting the backbone of communication networks.

Data Centers

For data centers requiring high-speed connectivity and versatility in networking setups, these adapters serve in interconnecting various equipment.

Internet Service Providers (ISPs)

In ISP networks, these adapters play a vital role in handling large volumes of data traffic efficiently.

More Features of this Item

This item is a Cisco Shared Port Adapter (SPA) that allows users to add four OC-3/STM-1 ports to their Cisco routers. These ports support synchronous optical networking (SONET) which is a standard for transmitting data over optical fibers at a rate of 155.52 Mbps. The SPA-4XOC3-POS-V2 is designed to be used with Cisco routers that support SPA interfaces and can be used to increase the number of available OC-3/STM-1 ports in a router. This increases the capacity of the network and allows for more connections to be made.

This SPA is often used by service providers to increase the capacity of their backbone networks, allowing for more efficient data transmission between different networks and locations. Additionally, it also supports POS (Packet over SONET) encapsulation, which enables it to transmit packet data over SONET networks. The V2 version of this device may have some additional features or improvements compared to the original version.

Extraordinary Performance

The SPA-4XOC3-POS-V2 is designed to provide high performance and reliability for service provider networks.

Performance-wise, the model provides four OC-3/STM-1 ports, each capable of transmitting data at a rate of 155.52 Mbps. This allows for a total of 622.08 Mbps of aggregate throughput when all four ports are utilized. This high-speed transmission capability makes the model well-suited for use in backbone networks, where large amounts of data need to be transmitted quickly and efficiently.

In terms of reliability, the model is built to meet industry standards for quality and durability. It is designed to operate in a wide range of temperatures and is built to withstand the rigors of a service provider environment. Additionally, the model supports various features that enhance its reliability such as hitless failover and fast convergence.

Cisco also provides regular software updates to improve performance and fix potential vulnerabilities. Additionally, Cisco provides technical support and service options to help ensure the model operates at peak performance and reliability.

Compliant Standards

This item is compliant with several industry standards to ensure compatibility and interoperability with other networking equipment. Some of the compliant standards for the SPA-4XOC3-POS-V2 include:

  • SONET/SDH: The model is compliant with the Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH) standards, which define the transmission of digital signals over optical fiber.
  • ITU-T G.709: This standard defines the optical transport network (OTN) interfaces and management for high-speed data transport, which is supported by the model
  • IEEE 802.3ah: This standard defines the Media Access Control (MAC) protocol for Ethernet in the First Mile (EFM) over a single fiber, which is supported by the model
  • ITU-T G.8261/G.8262: These standards define the requirements for clock recovery and synchronization for SONET and SDH systems, which is supported by the model
  • ITU-T G.8264: This standard defines the requirements for protection switching in SONET and SDH networks, which is supported by the model

General Information about this Cisco SPA-4XOC3-POS-V2

  • Manufacturer: Cisco
  • Model Number or SKU# SPA-4XOC3-POS-V2
  • Product Name: OC-3/STM-1 POS Shared Port Adapter
  • Product Type: Shared Port Adapter-Expansion Module

Technical Information for Shared Port Adapter

  • Application/Usage: Data Networking

Interfaces / Ports of 4 Port Adapter

  • Interfaces/Ports: 4 x OC-3/STM-1
  • Interfaces/Ports Details: 4 x OC-3/STM-1

Network management

  • RFC 2558 MIB (SONET/SDH)
  • Simple Network Management Protocol (SNMP)

Reliability and availability

  • Online insertion and removal (OIR)
  • Field-replaceable SFP optical modules
  • 1+1 SONET Automatic Protection Switching (APS) and SDH Linear Multiplexer Section Protection (MSP) protocols


  • Connectivity Media: Optical Fiber OC-3/STM-1
  • Data Transfer Rate: 155.52 Mbps OC-3/STM-1
  • RFC 1662 PPP in High-Level Data Link Control (HDLC)-like framing
  • RFC 2615 Point-to-Point Protocol (PPP) over SONET/SDH
  • RFC 2427, Multiprotocol Interconnect over Frame Relay
  • IPv4/IPv6
Features and functions
  • Synchronization
  • Local (internal) or loop timed (recovered from network)
  • Pointer activity monitoring
  • Local (diagnostic) and line (network) loopback
  • Access and aggregation
  • WAN uplinks
  • Internet peering
  • Cisco 12000 Series Routers
  • Cisco XR 12000 Series Routers
  • Cisco ASR 1000 Series Router
  • Cisco ASR 9000 Series Router
Environmental specifications
  • Operating temperature: 41 to 104°F (5 to 40°C)
  • Storage temperature: -38 to 150°F (-40 to 70°C)
  • Operating humidity: 5 to 85% relative humidity
  • Storage humidity: 5 to 95% relative humidity

In summary, the Cisco SPA-4XOC3-POS-V2 SFP Adapters, with their four-port configuration, OC-3/STM-1 compatibility, and SFP format, offer a reliable and versatile solution for high-speed data transmission over optical networks. Whether in telecommunication networks, data centers, or ISP setups, these adapters support efficient connectivity, scalability, and reliability in networking configurations. Their ability to handle multiple connections simultaneously makes them valuable components in ensuring seamless and high-performance data transfer across various networking environments.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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