Cisco Catalyst 4503-E (WS-C4503-E)

Product Overview

The Cisco Catalyst 4503-E is a 3-slot chassis switch designed for the Cisco Catalyst 4500 E-Series. It provides a centralized, high-performance architecture for enterprise and medium-sized business networks, delivering non-blocking Layer 2–4 switching with integrated security and resilience.

Key Hardware Specifications

Chassis & Slots

• Total Slots: 3 horizontal slots (numbered 1 to 3 from top to bottom).

• Supervisor Engine Slot: Dedicated slot 1 (Supervisor redundancy is not supported).

• Line Card Slots: 2 slots for Catalyst 4500 series modules.

• Backplane Bandwidth: 48 Gbps full-duplex per slot (96 Gbps).

• Form Factor: Rack-mountable, 7U height.

Supervisor Engine Support

The chassis supports various Supervisor Engines, including: 8-E, 8L-E, 7-E, 7L-E, 6-E, 6L-E, V-10GE, V, IV, II-Plus-10GE, II-Plus-TS, and II-Plus.

Power Supply

• Bays: 2 (supports 1+1 redundancy). Power supplies are hot-pluggable and require single-phase AC source.

• Supported Power Supplies (AC & DC):

  • AC: 1000W (PWR-C45-1000AC), 1400W (PWR-C45-1400AC), 1300W (PWR-C45-1300ACV), 2800W (PWR-C45-2800ACV), 4200W (PWR-C45-4200ACV), 6000W (PWR-C45-6000ACV), 9000W (PWR-C45-9000ACV).

  • DC: 1400W Triple-input (PWR-C45-1400DC), 1400W with integrated PEM (PWR-C45-1400DC-P).

  • External: AC power shelf (WS-P4502-1PSU).

Cooling System

• Fan Tray: 1 hot-swappable fan tray (WS-X4593-E) with 6 individual fans. The entire tray must be replaced if a fan fails.

• Airflow: Air is drawn in from the right side and exhausted from the left side.

• Status LED: Green (normal), Red (fan failure).

Physical Specifications

Environmental & Compliance

• Operating Temperature: 0°C to 40°C.

• Storage Temperature: -40°C to 75°C.

• Operating Humidity: 10% to 90% (non-condensing).

• Safety Standards: NEBS level 3, FCC Class A, UL 60950, CSA 22.2, EN 60950, IEC 60950, etc..