Cisco

Cisco HWIC-1SER | HWIC serial expansion | 1x Smart Serial | Sync/Async V.35/X.21/RS‑232/RS‑449 | Clocking DTE/DCE | For ISR G1/G2

SKU:HWIC-1SER

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Description

High-Speed WAN Interface Card providing one Smart Serial port for synchronous/asynchronous serial connectivity on compatible ISR platforms. Supports multiple physical interfaces via the appropriate smart-serial cables, enabling legacy WAN, SCADA, and serial backhaul use cases.

Features

- Flexible serial interface via Smart Serial cabling options
- Supports both synchronous and asynchronous serial modes
- DTE/DCE clocking for lab and production scenarios
- Seamless IOS integration for routing, QoS, 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: What cable do I need for V.35?
A: Use the appropriate Smart Serial to V.35 cable (DTE or DCE) depending on your application.

Q: Is this compatible with ISR G2 routers?
A: Yes, it is compatible with many ISR G1 and G2 platforms, including 1900/2900/3900 series.

Q: What link speeds are supported?
A: It supports typical synchronous serial speeds used for T1/E1 and fractional services; actual rates depend on router platform and line conditions.

Technical Specifications

- Form factor: HWIC (single-wide)
- Ports: 1x Smart Serial (Cisco Smart Serial connector)
- Protocols: Sync/Async serial (HDLC/PPP, Frame Relay where supported)
- Physical interfaces via cables: V.35, X.21, EIA/TIA‑232, EIA‑449/530
- Clocking: DTE/DCE, internal/external line timing
- Use cases: Legacy WAN, SCADA/industrial telemetry, out-of-band links
- Compatibility: Select ISR 1800/1900/2800/2900/3800/3900 series routers
- Management: Fully integrated with IOS for interface monitoring and QoS

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