Cisco

Cisco HWIC-4A-S | 4-port async/sync serial HWIC | RJ-45 RS-232 | branch OOB + low-speed WAN aggregation

SKU:HWIC-4A-S

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Description

Scale serial connectivity with four RJ‑45 RS‑232 ports for asynchronous terminal access and synchronous low-speed WAN links in a single HWIC. Consolidate OOB management and legacy circuits on modular branch routers.

Features

- Four-port serial density in a single HWIC
- Async and sync flexibility for mixed OOB and WAN needs
- RJ-45 RS-232 interface for broad device compatibility
- Slot-efficient expansion for branch routers
- Standards-based encapsulations for interoperability

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: Can all four ports be used simultaneously?
A: Yes, all ports can operate concurrently, subject to router performance and IOS features.

Q: Does it require special cables?
A: Yes, RJ-45 serial adapters or cables are required and sold separately.

Q: Is synchronous WAN supported?
A: Yes, synchronous mode with PPP/HDLC is supported on platforms/IOS that provide those features.

Q: What routers support HWIC modules?
A: Any router with compatible HWIC slots; consult the platform hardware guide for confirmation.

Q: Is a separate license needed?
A: No license for the HWIC itself; ensure IOS includes serial features you plan to use.

Technical Specifications

- Form factor: HWIC (High-Speed WAN Interface Card)
- Ports: 4x RJ-45 RS-232 serial
- Modes: Asynchronous and synchronous (platform/IOS dependent)
- Use cases: OOB console/terminal server, legacy SCADA/telemetry, low-speed WAN
- Encapsulations (sync): PPP, HDLC (platform/IOS dependent)
- Cabling: RJ-45 serial adapters/cables required (sold separately)
- Compatibility: Routers with HWIC slots (verify chassis/IOS support)

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