Cisco

Cisco WS-X4224-RJ21-XX | 24x 10/100 (RJ21 Telco) | non-PoE | uplinks: optional 1G GBIC module

Cisco WS-X4224-RJ21-XX | 24x 10/100 (RJ21 Telco) | non-PoE | uplinks: optional 1G GBIC module

SKU:WS-X4224-RJ21-XX

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Description

High-density Fast Ethernet line card delivering 24 x 10/100 Mbps over compact RJ21 Telco connectors for neat, panel-based breakouts. Ideal for legacy voice/data risers and MDU/MTU wiring, it integrates seamlessly into Catalyst 4000/4500-class chassis for Layer 2 switching. Requires RJ21-to-RJ45 breakout cables or patch panels; no PoE. Uplinks are provided via the chassis/supervisor or an optional 1G GBIC module, depending on configuration.

Features

- High‑density FE via compact RJ21 Telco connectors
- Clean cable management with panel or harness breakouts
- Auto‑negotiation simplifies edge device interop
- Seamless integration into modular Catalyst chassis

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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Technical Specifications

Technical Specifications

- Ports: 24x 10/100 Mbps Fast Ethernet via RJ21 Telco (50‑pin)
- Connector format: RJ21 (requires RJ21-to-RJ45 harness or panel)
- PoE support: None (non‑PoE)
- Uplinks: via optional 1G GBIC module or supervisor/chassis uplinks
- Duplex/negotiation: Auto‑negotiation for speed/duplex
- Slot requirement: Occupies 1 chassis line‑card slot
- Compatibility: Cisco Catalyst 4000/4500 family (check supervisor support and software)

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