WS-C4503-E Cisco 4500 Switch
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WS-C4503-E
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WS-C4503-E Overview
Cat4500 E-Series 3-Slot Chassis, fan, no ps WS-C4503-E
Overview
WS-C4503-E Overview
Cisco Catalyst 4503-E
Cisco Catalyst 4503-E chassis offers 3 slots with Fan, one for supervisor engine slot, two for line-card slot with supporting up to 100 ports and up to 1500W POE power per slot. The solution provides centralized network architecture for enterprises-level, small and medium-size business through simplified operations. The highly intelligence performance offers non-blocking layer 2 - 4 switching with Secure, flexible communications. Any two Cisco Catalyst 4500E series Switches with Supervisor Engine 7L-E/7-E/8-E can be pooled together into a VSS, which doubles the system bandwidth, improves resiliency of the system and delivers the highest centralized reliable performance.
Quick Specs
Product Code | WS-C4503-E |
Supervisor engine slot | Slot 1 |
Line-card slots | 2 |
Redundant power supplies | 2 |
Backplane | 48 Gbps full duplex per slot (96 Gbps) |
Dimensions (H x W x D) | 31.12 x 43.97 x 31.70 cm |
Rack Units (RU) | 7 RU |
Weight | 35 Kg |
Airflow | Chassis fan tray: Right to left Power supply fan: Front to back |
Product Details
Figure 1 shows the front view of WS-C4503-E with installed modules, supervisor engines and cards. These modules, supervisor engines and cards should be ordered separately.
Note:
① Redundant power supplies ② Supervisor engine (slot 1) ③ Switching module (slots 2 and 3) ④ Fan tray assembly
Feature | Description |
Chassis | Three horizontal slots. Slots are numbered from 1 (top) to 3 (bottom). |
Supervisor engines | Supports the following supervisor engines: - Supervisor Engine 8-E - Supervisor Engine 7L-E - Supervisor Engine 7-E |
Modules | Supports up to two Catalyst 4500 series modules. |
Backplane | 48 Gbps full duplex per slot (96 Gbps) |
Fan tray | The chassis supports one hot-swappable fan tray. |
Power supply | Supports one or two power supplies. All Catalyst 4500 series AC-input power supplies require single-phase source AC. |
The Accessories
Category | Model | Description |
AP License | L-LIC-CTIOS-1A | 1 AP Adder License for the IOS based Wireless Controller (e-delivery) |
Primary Supervisor | WS-X45-SUP8-E | Catalyst 4500 E-Series Supervisor 8-E |
WS-X45-SUP7-E | Catalyst 4500 E-Series Supervisor, 848Gbps | |
WS-X45-SUP7L-E | Catalyst 4500 E-Series Supervisor LE, 520Gbps | |
10/100/1000/MGig Line Cards | WS-X4748-RJ45-E | Cisco 4500 Line Card WS-X4748-RJ45-E Catalyst 4500 E-Series 48-Port 10/100/1000 Non-Blocking |
WS-X4748-UPOE+E | Cisco 4500 Line Card WS-X4748-UPOE+E Catalyst 4500E 48-Port UPOE 10/100/1000(RJ45) | |
WS-X4748-RJ45V+E | Cisco 4500 Line Card WS-X4748-RJ45V+E Catalyst 4500E 48-Port PoE 802.3at 10/100/1000(RJ45) | |
1 G Fiber Line Cards | WS-X4724-SFP-E | Catalyst 4500 E-Series 24-Port GE (SFP) |
WS-X4748-SFP-E | Catalyst 4500 E-Series 48-Port GE (SFP) | |
WS-X4712-SFP-E | Catalyst 4500 E-Series 12-Port GE (SFP) | |
10 G Fiber Line Cards | WS-X4606-X2-E | Catalyst 4500 E-Series 6-Port 10GbE (X2) |
WS-X4712-SFP+E | Catalyst 4500 E-Series 12-Port 10GbE (SFP+) | |
Power Supply | PWR-C45-1400AC | Catalyst 4500 1400W AC Power Supply (Data Only) |
PWR-C45-1400DC | C4500 1400W DC Triple Input SP Power Supply-data only | |
Supervisor Software License | L-C4500E-IP-ES= | Cisco Catalyst 4500E IP Base to Enterprise Services IOS upgrade license |
Compare to Similar Items
Model | WS-C4503-E | WS-C4506-E |
Supervisor engine slot | 1 | 1 |
Line-card slots | 2 | 5 |
Redundant power supplies | 2 | 2 |
Supervisor engines | - Supervisor Engine 8-E - Supervisor Engine 7L-E - Supervisor Engine 7-E | - Supervisor Engine 8-E - Supervisor Engine 7L-E - Supervisor Engine 7-E |
Backplane | 48 Gbps full duplex per slot (96 Gbps) | 48 Gbps full duplex per slot (240 Gbps) |
Summary Description
Cisco Catalyst 4503-E
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Specification
WS-C4503-E Specification
WS-C4503-E Specification | |
Total number of slots | 3 |
Line-card slots | 2 |
Supervisor engine slots | 1 |
Dedicated supervisor engine slot numbers | 1 |
Supervisor engine redundancy | No |
Supervisor engines supported | Supervisor Engines 8-E, 8L-E, 7-E, 7L-E, 6-E, and 6L-E |
Maximum PoE per slot | 1500W |
Bandwidth scalability per line-card slot | Up to 48 Gbps on all slots |
Number of power supply bays | 2 |
AC input power | Yes |
DC input power | Yes |
Integrated PoE | Yes |
Minimum number of power supplies | 1 |
Power supplies supported | 1000W AC 1400W AC 1300W ACV 2800W ACV 4200W ACV 6000W ACV 9000W ACV 1400W DC (triple input) 1400W-DC-P |
Number of fan-tray bays | 1 |
Location of 19-inch rack-mount | Front |
Location of 23-inch rack-mount | Front (option) |
Physical Specifications | |
Dimensions (H x W x D) | 12.25 x 17.31 x 12.50 in. (31.12 x 43.97 x 31.70 cm) |
Rack units (RU) | 7RU |
Chassis weight (with fan tray) | 32.25 lb (14.63 kg) |
Mounting | 19- and 23-in. rack compatible (19-in. rack and cable guide hardware included) |
Frequently Asked Questions
What is the primary capacity of the Cisco Catalyst WS-C4503-E chassis? +
The WS-C4503-E is a compact, 3-slot modular chassis designed for the Cisco Catalyst 4500-E series. It provides high-performance, non-blocking switching architecture, supporting wire-speed performance for enterprise campus and branch office deployments. Its modular design allows for flexible interface configurations depending on your supervisor engine and line card selection.
Which supervisor engines are compatible with the WS-C4503-E chassis? +
This chassis supports a wide range of Catalyst 4500-E series supervisor engines, including the Sup6-E, Sup7-E, and Sup8-E models. These engines enable advanced features such as Cisco StackWise Virtual technology, deep packet inspection, and higher bandwidth per slot, ensuring your network infrastructure stays current with evolving enterprise throughput demands.
How should I handle power supply requirements for the WS-C4503-E? +
The WS-C4503-E is shipped as a chassis-only unit without an integrated power supply. To ensure optimal operation, you must select appropriate AC or DC power supplies based on your total power budget requirements. We recommend calculating your total PoE and system power consumption across all installed line cards before selecting the correct power supply modules.
What kind of cooling system is included with this 3-slot chassis? +
The WS-C4503-E comes equipped with an integrated, high-efficiency fan tray designed to maintain optimal operating temperatures for internal components. The airflow is engineered for front-to-back circulation, which is critical for maintaining equipment reliability in rack-mount environments. Ensure the intake and exhaust vents remain unobstructed during installation to prevent thermal throttling or hardware failure.
Is the WS-C4503-E suitable for space-constrained deployment scenarios? +
Absolutely. With a 3-slot form factor, this chassis is ideal for wiring closets or small-to-medium branch offices where space is at a premium but high-availability and modularity are required. Its compact profile allows you to deploy enterprise-grade switching capabilities without requiring a full-height rack, making it a versatile choice for edge deployments.
Does this chassis support redundant supervisor engine configurations? +
The WS-C4503-E allows for supervisor engine redundancy to ensure high availability. By installing two compatible supervisor engines, you can achieve hitless failover, minimizing downtime during software upgrades or hardware failures. This feature is essential for mission-critical network environments where continuous operation is mandatory for business continuity and internal service level agreements.
What management features are available when using the WS-C4503-E? +
Management capabilities are primarily dictated by the supervisor engine installed in the chassis. Generally, the Catalyst 4500-E series supports comprehensive management through Cisco IOS XE, including SNMP, RMON, and integration with Cisco DNA Center. This allows for centralized control, granular security policies, and detailed performance monitoring across your entire switching fabric.
How do I upgrade the bandwidth capacity of this modular switch? +
Bandwidth upgrades are achieved by populating the available slots with high-density E-Series line cards. Because the WS-C4503-E supports the 4500-E backplane, it can handle increased throughput demands when paired with appropriate supervisor engines. Always verify the compatibility of your selected line cards with the installed supervisor engine to ensure the backplane bandwidth is fully utilized.
How can I obtain a bulk quote for multiple WS-C4503-E units? +
For organizations planning large-scale deployments or infrastructure refreshes, BuyRouterSwitch.com offers competitive bulk pricing options. Please navigate to our contact page or use our dedicated quote request form to provide your specific quantity requirements. Our sales team will analyze your request and provide a tailored commercial proposal that aligns with your project budget.
Why should I choose BuyRouterSwitch.com for my Cisco hardware needs? +
BuyRouterSwitch.com is a premier provider of networking equipment, focused on supplying authentic, high-quality hardware to IT professionals. By sourcing directly and maintaining rigorous quality control, we ensure that every unit, including the WS-C4503-E, meets industry standards. Our specialized sales team provides knowledgeable support to assist you in selecting the correct components for your specific network architecture.
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