• Cisco WS-C4503-E 3-slot chassis with fans and expansion slots
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Cisco

Cisco WS-C4503-E | 3-slot modular chassis, fan tray installed, no PSU; line-card–dependent 10/100/1000 access & PoE; modular uplinks (1G/10G/40G via cards); supervisor-driven features

WS-C4503-E

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Description

Compact 3-slot E‑Series chassis for modular campus switching. Ships with the fan tray installed and without power supplies, ready to accept Catalyst 4500E supervisors and E‑Series line cards for flexible port densities, PoE, and high-performance uplinks. Redundant power bays and hot‑swap components support always‑on designs.

Features

- Modular scalability with 3-slot E‑Series design
- Flexible power with dual PSU bays for redundancy
- Choice of supervisors to match L2/L3 and performance needs
- Wide line‑card portfolio for access density and PoE/UPOE
- Field‑replaceable fan tray and PSU for serviceability
- Investment protection across the 4500E ecosystem

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

FAQs

Technical Specifications

- Chassis slots: 3 (modular E‑Series)
- Cooling: fan tray included
- Power: dual hot‑swappable PSU bays (PSUs not included; AC/DC options supported)
- Supervisor compatibility: Catalyst 4500E Series (e.g., Sup6‑E, Sup7‑E, Sup8‑E)
- Line card support: 4500E E‑Series line cards (PoE/Non‑PoE options)
- Uplinks: provided via supervisor/line‑card modules (1G/10G/40G options)
- Features and OS: depend on installed supervisor (Layer 2/Layer 3 capabilities via IOS/IOS XE)
- High availability: redundant PSUs and hot‑swappable components

FAQs

Q: Does this unit include power supplies?
A: No. It includes the fan tray only; power supplies are sold separately.

Q: Is a supervisor engine required for operation?
A: Yes. You must install a compatible 4500E supervisor for system operation and feature enablement.

Q: Which line cards are supported?
A: It supports 4500E E‑Series line cards; many classic 4500 line cards are also supported—verify per card.

Q: Can this chassis provide PoE or UPOE?
A: Yes, when used with compatible PoE/UPOE line cards and adequate power supplies.

Q: Are uplink ports built in?
A: Uplinks are provided by the installed supervisor or line cards (1G/10G/40G options).

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