Cisco

Cisco HWIC-2A-S | 2-port serial WAN HWIC, dual Smart Serial 26-pin, async/sync, multi-protocol via transition cables

SKU:HWIC-2A-S

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Description

Provide two independent serial WAN ports in a single HWIC for branch routers. Each Smart Serial interface supports asynchronous and synchronous operation with protocol flexibility using the appropriate transition cables.

Features

- Dual Smart Serial ports for higher density in a single slot
- Async/sync flexibility to match varied WAN requirements
- Supports multiple serial standards via transition cables
- Optimized for branch and lab environments
- Independent port configuration and monitoring

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Are both ports active simultaneously?
A: Yes, the two Smart Serial ports can operate independently, subject to router resources and configuration.

Q: Which cable types are required?
A: Use Smart Serial transition cables that match the remote interface and role (DTE or DCE) for V.35, X.21, RS-232, or 449.

Q: What are typical use cases?
A: Leased-line access, Frame Relay (where supported), back-to-back router labs, or connections to CSU/DSU devices.

Q: Is special licensing needed?
A: No special license is typically needed; features depend on the router’s IOS image and version.

Technical Specifications

- Module type: HWIC (High-Speed WAN Interface Card)
- Ports: 2 x serial (Smart Serial 26-pin)
- Operation modes: asynchronous and synchronous per port
- Supported standards via cables: V.35, X.21, EIA/TIA-232, EIA/TIA-449
- Encapsulations: PPP, HDLC, Frame Relay (platform dependent)
- Cabling: requires Smart Serial DTE/DCE transition cables (one per port)
- Per-port independence for flexible deployments
- Platform: compatible with select Cisco ISR platforms that support HWIC slots

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