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

The Cisco SPA-8XOC12-POS is a networking expansion module designed to enhance networking capabilities by providing Oc-12c/stm-4 Packet Over Sonet (POS) functionality. This module offers a versatile solution for networking needs, particularly in scenarios where high-speed connectivity and efficient data transmission are crucial. In this detailed explanation, we will delve into the key features, specifications, and benefits of the Cisco SPA-8XOC12-POS, providing a comprehensive overview for users seeking to understand its role in networking environments.

The Cisco SPA-8XOC12-POS is an expansion module that belongs to the Cisco Shared Port Network Adapter family. It is specifically designed to support Packet Over Sonet (POS) technology at Oc-12c/stm-4 speeds. This means it enables the efficient encapsulation and transmission of data packets over the Synchronous Optical Network (SONET) infrastructure.

The primary feature of the Cisco SPA-8XOC12-POS is its support for Oc-12c/stm-4 speeds. This level of compatibility ensures high-speed data transfer, making it suitable for applications demanding substantial bandwidth.

POS is a technology that facilitates the transmission of packetized data over the traditional SONET infrastructure. The Cisco SPA-8XOC12-POS leverages POS, allowing for the efficient and reliable transfer of data packets.

Being part of the SPA family, this module follows a modular design approach. SPAs are hot-swappable and can be easily inserted or remoEfficient Packet Over Sonet (POS) Technology.

The incorporation of Packet Over Sonet technology enhances the efficiency of data packet transmission. This is particularly valuable in scenarios where data integrity and reliability are paramount, such as in telecommunications and critical business applications.

The presence of eight ports on the Cisco SPA-8XOC12-POS contributes to its scalability. Networks can expand and evolve without the need for extensive hardware changes, providing a cost-effective solution for growing connectivity requirements.

The Shared Port Adapter architecture ensures a modular design that simplifies maintenance tasks. The hot-swappable nature of SPAs allows for quick replacements and upgrades, minimizing downtime and contributing to overall system reliability.

In the telecommunications sector, where high-speed data transfer and reliable connectivity are critical, the Cisco SPA-8XOC12-POS finds its application. It supports the demands of voice, data, and multimedia services in a network environment.

Data centers dealing with large volumes of data benefit from the Cisco SPA-8XOC12-POS module's high-speed capabilities. Its eight ports cater to the diverse connectivity requirements of servers, storage systems, and other networking equipment.

Enterprise networks, spanning various departments and functions, can leverage the Cisco SPA-8XOC12-POS for seamless and scalable connectivity. The module's compatibility with Oc-12c/stm-4 speeds ensures optimal performance for enterprise-level applications.

• 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.

• 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.

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

• Total Number of Networks: 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

• 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

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

• 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

• Cisco 12000 Routers
• Cisco CRS-1 Series Router

In general, the Cisco SPA-8XOC12-POS is a powerful networking expansion module that brings Oc-12c/stm-4 Packet Over Sonet functionality to diverse applications. Its high-speed data transfer, efficient use of POS technology, scalability through eight ports, and modular design make it a valuable asset in telecommunications, data centers, and enterprise networks. Proper installation, configuration, and maintenance are crucial to harnessing its full potential, and users should be aware of its technical specifications and compatibility considerations. As networking demands continue to evolve, the Cisco SPA-8XOC12-POS stands as a reliable solution for meeting the connectivity needs of modern environments.