Cisco SPA-8XOC12-POS 8-Ports Adapters
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Cisco SPA-8XOC12-POS OC12/STM4 POS Shared 8-Ports Adapters Refurbished

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Part Number#: SPA-8XOC12-POS
List Price was: $2615.38
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Short Description:
SPA-8XOC12-POS Oc-12c/stm-4 Packet Over Sonet Shared Port Adapter Expansion Module 8 Ports | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Performance and Scalability

The Cisco SPA-8XOC12-POS is a shared port adapter (SPA) that provides 8 OC12/STM4 POS interfaces, which can be used to support WAN connectivity in Cisco integrated services routers (ISRs).

In terms of performance, the SPA-8XOC12-POS offers high-speed data transfer rates of up to 622 Mbps, allowing for fast and efficient data transfer. Additionally, the adapter uses POS (Packet over SONET) technology, which provides reliable and efficient data transmission over long distances.

In terms of scalability, the SPA-8XOC12-POS provides 8 ports, which allows for multiple connections to be made and enables growth as your network requirements increase. The SPA-8XOC12-POS can be easily added or removed from the router, making it easy to expand or scale your network as needed.

Security and Access Control

The Cisco SPA-8XOC12-POS OC12/STM4 POS Shared 8-Ports Adapters provide security and access control to ensure the protection of sensitive data and network resources.

Access control refers to the measures taken to prevent unauthorized access to network resources, such as routers, switches, and servers. In the case of the SPA-8XOC12-POS adapters, access control is accomplished through the use of access control lists (ACLs) and password protection.

ACLs are lists of rules that determine who is allowed to access network resources and what actions they can perform. By using ACLs, network administrators can restrict access to specific IP addresses, protocols, or services. This ensures that only authorized users can access sensitive data or resources.

Password protection is another key aspect of security for the SPA-8XOC12-POS adapters. Passwords protect access to the device's command line interface (CLI) and other configuration tools. Passwords are encrypted for security and can only be accessed by authorized users.

In addition to access control, the SPA-8XOC12-POS adapters also provide security through the use of network security protocols, such as Secure Shell (SSH) and Secure Sockets Layer (SSL). These protocols encrypt data as it travels over the network, preventing unauthorized access to sensitive information.

Network Interface Configuration

The Cisco SPA-8XOC12-POS is an optical networking adapter that provides 8 ports for OC12/STM4 Point-to-Point (POS) connections. The device is designed to be used in data center and service provider environments and is used to connect to high-speed networks.

The network interface configuration of the Cisco SPA-8XOC12-POS is done through the command-line interface (CLI). The CLI provides a way for administrators to configure and manage the adapter's parameters and settings.

Here are some of the key network interface configuration tasks for the Cisco SPA-8XOC12-POS:

  • Port Configuration: The ports can be configured with various settings such as speed, duplex, flow control, and encapsulation. The configuration of the ports is essential for the proper functioning of the adapter.
  • Frame Relay Configuration: Frame Relay is a popular WAN protocol used for connecting remote networks. The SPA-8XOC12-POS supports Frame Relay configuration, which includes the creation of virtual circuits, mapping of IP addresses to Frame Relay addresses, and configuring DLCI (Data Link Connection Identifier) values.
  • Routing Configuration: The adapter supports routing protocols such as OSPF (Open Shortest Path First), EIGRP (Enhanced Interior Gateway Routing Protocol), and BGP (Border Gateway Protocol). Administrators can configure the routing protocols to ensure the proper flow of data between networks.
  • Quality of Service (QoS) Configuration: QoS is used to prioritize network traffic and ensure that important traffic is given priority over less important traffic. The SPA-8XOC12-POS supports various QoS features such as traffic shaping, class-based marking, and congestion management.

In conclusion, the network interface configuration of the Cisco SPA-8XOC12-POS is an essential task for ensuring the proper functioning of the adapter. By configuring the ports, routing, and QoS, administrators can optimize the performance and reliability of their networks.

General Information about this Cisco SPA-8XOC12-POS

  • Manufacturer: Cisco
  • Part Number or SKU# SPA-8XOC12-POS
  • Product Type: Network Adapter

Technical Information for Network Adapter

  • Total Number of Network: 8 Ports
  • Application/Usage: Data Networking
  • Interfaces/Ports Details: 8 x OC-12c/STM-4
  • Form Factor: Plug-in Module
  • Data Link Protocol: Hdlc, Frame Relay, Sonet/sdh, Pos
  • Data Transfer Rate: 622.08 MBPS

Environmental specifications of 8-Ports Adapter

  • 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

Network management of Expansion Module

  • 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
  • Single SPA software reset


  • 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


  • 8xOC-12 max w/o optics = 10.0 Watt

Dimension and Weight

  • Width: 6.8 inch
  • Depth: 7.3 inch
  • Height: 0.8 inch
  • Weight: 0.75 LBS


  • Cisco 12000 Routers
  • Cisco CRS-1 Series Router
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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