Cisco SPA-8XOC12-POS Cisco Shared Port Adapter (SPA)

Brand: Cisco | Category: Accessories & Components

SKU: CSC-SPA-8XOC12-POS | Part #: SPA-8XOC12-POS | MPN: SPA-8XOC12-POS

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The SPA-8XOC12-POS is a Shared Port Adapter module that expands OC-12c SONET/SDH port capacity on Cisco routing platforms without requiring a separate line card installation. For network engineers managing carrier-grade infrastructure across GCC and Asia-Pacific regions, this adapter solves a common infrastructure constraint: adding eight additional 622 Mbps optical ports to existing CRS-1, 12000 Series, or 7600 Series chassis without consuming a full line card slot. The result is efficient port density utilization in environments where space, power, and budget are already optimized, yet additional wavelength capacity remains essential.

Cisco designed the SPA-8XOC12-POS to work within the modular SPA ecosystem, meaning it plugs into an existing SPA bay on compatible platforms rather than replacing core routing infrastructure. Each port operates at OC-12c speeds—622.08 Mbps per interface—and terminates on single-mode fiber using LC connectors, the industry standard in data centre and metropolitan carrier networks. The module supports both PPP and HDLC encapsulation protocols, accommodating legacy SONET environments alongside modern packet-over-SONET deployments. Cisco bundled native SONET/SDH alarm detection into the hardware, so your NOC team receives immediate notification of Line-of-Frame (LOF), Loss-of-Signal (LOS), Alarm-Indication-Signal (AIS), and Remote-Defect-Indication (RDI) conditions without external monitoring appliances.

Network architects who manage multi-site WAN topologies, particularly those linking data centres across Dubai, Riyadh, and regional hubs, gravitate toward the SPA-8XOC12-POS because it lets them add SONET interfaces on demand rather than committing to larger line card purchases upfront. The module integrates directly into Cisco IOS and Cisco IOS XR, so provisioning follows your existing command-line workflows—no vendor-specific management tools or steep learning curves. Scrambling per RFC 2615 is supported, ensuring data integrity across long-haul optical circuits where signal integrity monitoring is critical. If you are already operating a Cisco 12000 Series as your backbone router or have a CRS-1 handling edge termination, the SPA-8XOC12-POS (part number SPA-8XOC12-POS) adds capacity without platform forklift upgrades.

The genuine Cisco OEM designation on this module matters in enterprise procurement. Your IT security and compliance teams can verify that this is authentic Cisco hardware, eligible for Cisco TAC support and covered under genuine-product warranties. Counterfeit or grey-market SONET adapters pose real operational risk—silent bit errors, firmware incompatibilities, and lack of vendor support during outages cost far more than the component's original value. When your infrastructure supports revenue-generating services or hosts time-sensitive workloads like financial trading systems or AI model training, hardware authenticity directly impacts SLA compliance and incident response speed.

Omnixon Global stocks the Cisco SPA-8XOC12-POS as part of our comprehensive Cisco routing and switching portfolio, serving integrators, service providers, and enterprise IT teams throughout the Gulf, Middle East, and into South Asia. Whether you are expanding an existing Cisco deployment, refurbishing a network segment, or building redundancy into a new data centre, we can source this adapter quickly and provide the documentation and authenticity verification your procurement office requires. Contact our sales team for an RFQ and let us help you close your port capacity gap.

SONET/SDH Port Specifications and Optical Interface Details

• Eight OC-12c / STM-4 ports operating at 622.08 Mbps per interface
• Single-mode fiber with LC connector termination; SONET/SDH framing standards compliant
• PPP and HDLC data encapsulation support for legacy and modern packet-over-SONET networks
• Native alarm monitoring: LOF, LOS, AIS, RDI detection without external probes
• RFC 2615 scrambling support for signal integrity on long-haul circuits
• Compatible with Cisco CRS-1, 12000 Series, and 7600 Series (SIP-required) platforms
• Cisco IOS and Cisco IOS XR software support; TAC-eligible genuine Cisco hardware