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At TXO, we pride ourselves on offering specialised repair and support services for the Cisco 4503 series. With a comprehensive inventory of Cisco 4503 parts and components, we provide top-notch refurbishment and repair solutions to ensure your network infrastructure remains robust and efficient. Our dedicated team of professionals is committed to delivering expert advice and ongoing support tailored to your specific Cisco 4503 needs.


Availability and Shipping: Reliable and Prompt Service 

Most Cisco 4503 parts are dispatched promptly upon receipt of your purchase order. International shipping typically takes 3-5 days, while deliveries within the UK usually arrive within 1-3 days. For accurate stock levels and delivery estimates specific to your area, please reach out to us directly.


About the Cisco 4503: a high-performance network solution 

The Cisco 4503 Series stands out as a premier networking solution tailored for high-performance and scalable network environments. Designed to cater to both enterprise and service provider needs, the Cisco Catalyst 4503 chassis offers exceptional support for high-density port configurations and advanced Layer 3 routing capabilities. Its robust architecture ensures that it can handle a wide range of networking demands, from optimising existing infrastructure to accommodating future growth. This makes the Cisco 4503 an ideal choice for organisations seeking to enhance their network’s efficiency and scalability.

Central to the Cisco 4503 Series is the Cisco Catalyst 4503 chassis, which integrates seamlessly with a variety of modules and line cards to deliver reliable and flexible network solutions. Known for its impressive performance, the Cisco 4503 provides a dependable platform for managing complex network environments. Its modular design allows for customisation and expansion, making it well-suited for both straightforward and intricate network configurations. This flexibility ensures that the Cisco 4503 can adapt to evolving business requirements and technological advancements.

The Cisco 4503 is celebrated for its robust performance and versatility, providing a solid foundation for high-demand networking applications. Its support for advanced Layer 3 routing and high-density ports ensures efficient data handling and network management. This makes the Cisco 4503 an asset for organisations looking to build a resilient and scalable network infrastructure capable of meeting both current and future needs.

With its focus on delivering high performance and flexibility, the Cisco 4503 Series remains a popular choice for enterprises and service providers seeking a reliable networking solution. Its ability to handle demanding network requirements while offering room for growth and expansion underscores its value as a key component in modern network architectures.


Component List: Part numbers from the Cisco 4503 Series eligible for repair

Part CodeDescription
WS-X4624-SFP-ECatalyst 4500 E-Series 24-Port GE (SFP)
WS-X4648-RJ45V-ECatalyst 4500 E-Series 48-Port PoE 10/100/1000 (RJ45)
WS-X4648-RJ45V+ECatalyst 4500 E-Series 48-Port Premium PoE 10/100/1000 (RJ45)
WS-X4606-X2-ECatalyst 4500 E-Series 6-Port 10GE (X2)
WS-X4148-RJCatalyst 4500 10/100 Auto Module, 48-Port (RJ-45)
WS-X4124-RJ45Catalyst 4500 10/100 Module, 24-Port (RJ-45)
WS-X4148-RJ21Catalyst 4500 10/100 Module, 48-Port Telco (4xRJ-21)
WS-X4248-RJ21VCatalyst 4500 PoE 802.3af 10/100, 48-Port (RJ-21)
WS-X4248-RJ45VCatalyst 4500 PoE 802.3af 10/100, 48-Port (RJ-45)
WS-X4224-RJ45VCatalyst 4500 10/100 PoE 802.3af 24-Port (RJ-45)
WS-X4232-GB-RJCatalyst 4500 32-10/100 (RJ-45), 2 GE (GBIC)
WS-X4548-GB-RJ45Catalyst 4500 Enhanced 48-Port (RJ-45)
WS-X4548-RJ45V+Catalyst 4500 Classic 48-Port (RJ-45)
WS-X4548-GB-RJ45VCatalyst 4500 PoE 802.3af 10/100/1000, 48-Port (RJ-45)
WS-X4524-GB-RJ45VCatalyst 4500 PoE 802.3af 10/100/1000, 24-Port (RJ-45)
WS-X4506-GB-TCatalyst 4500 6-Port Gigabit Ethernet Module
WS-X4424-GB-RJ45Catalyst 4500 24-Port Gigabit Ethernet Module
WS-X4248-FE-SFPCatalyst 4500 48-Port Fast Ethernet (SFP)
WS-X4124-FX-MTCatalyst 4500 Fast Ethernet Switching Module, 24-Port
WS-X4148-FE-BD-LCCatalyst 4500 Fast Ethernet Module, 48-Port
WS-X4148-FX-MTCatalyst 4500 Fast Ethernet Switching Module, 48-Port
WS-X4306-GBCatalyst 4500 Gigabit Ethernet Module, 6-Port
WS-X4506-GB-TCatalyst 4500 6-Port Gigabit Ethernet Module
WS-X4302-GBCatalyst 4500 Gigabit Ethernet Module, 2-Port
WS-X4418-GBCatalyst 4500 GE Module, Server Switching 18-Port
WS-X4448-GB-SFPCatalyst 4500 48-Port Gigabit Ethernet (SFP)

Repair Capability for Cisco 4503 

TXO offers specialised repair services for the Cisco 4503 Series, which includes the Cisco Catalyst 4503 chassis and its various components. Our expert team is proficient in addressing a wide range of issues related to the Cisco 4503, including troubleshooting, component repair, and module replacement.

Operating from our advanced engineering facilities, TXO performs over 12,000 repairs annually, reflecting our commitment to quality and technical excellence. Our engineers have extensive experience in diagnosing and repairing components within the Cisco 4503 Series, ensuring efficient handling of essential modules and line cards.

We conduct thorough inspections of each Cisco 4503 system, allowing us to proactively resolve issues and perform pre-emptive repairs. This meticulous approach minimises network downtime and ensures the continued reliability of your network infrastructure. Additionally, our advance replacement service guarantees prompt delivery of parts, helping to keep your network operations uninterrupted.


Technical Specifications: Cisco 4503 Series 

FeatureCisco Catalyst WS-C4503-E Chassis
Total number of slots3
Line-card slots2
Supervisor engine slots11
Dedicated supervisor engine slot numbers1
Supervisor engine redundancyNo
Supervisor engines supportedSupervisor Engines 8-E, 8L-E, 7-E, 7L-E, 6-E, and 6L-E
Maximum PoE per slot1500W
Bandwidth scalability per line-card slotUp to 48 Gbps on all slots
Number of power supply bays2
AC input powerYes
DC input powerYes
Integrated PoEYes
Minimum number of power supplies1
Power supplies supported1000W AC
1400W AC
1300W ACV
2800W ACV
4200W ACV
6000W ACV
9000W ACV
1400W DC (triple input)
1400W-DC-P
Number of fan-tray bays1
Location of 19-inch rackmountFront
Location of 23-inch rackmountFront (option)
FeatureCisco Catalyst WS-C4503-E Chassis
Total number of slots3
Line-card slots2
Supervisor engine slots11
Dedicated supervisor engine slot numbers1
Supervisor engine redundancyNo
Supervisor engines supportedSupervisor Engines 8-E, 8L-E, 7-E, 7L-E, 6-E, and 6L-E
Maximum PoE per slot1500W
Bandwidth scalability per line-card slotUp to 48 Gbps on all slots
Number of power supply bays2
AC input powerYes
DC input powerYes
Integrated PoEYes
Minimum number of power supplies1
Power supplies supported1000W AC
1400W AC
1300W ACV
2800W ACV
4200W ACV
6000W ACV
9000W ACV
1400W DC (triple input)
1400W-DC-P
Number of fan-tray bays1
Location of 19-inch rackmountFront
Location of 23-inch rackmountFront (option)

For full details of the Cisco 4503, please view the data sheet here.


We are Here to Assist: Reach Out to TXO for Cisco 4503 Support  

For all your Cisco 4503 needs, TXO is committed to delivering exceptional support and service. Our team of experienced professionals is ready to assist you with troubleshooting, configuration, or any technical queries you may have regarding the Cisco 4503 Series.

Please note that TXO operates independently and is not formally affiliated with Cisco. For personalised support and detailed information on how we can assist you with your Cisco 4503 equipment, contact us today. Our goal is to enhance the performance and reliability of your network infrastructure through expert service and comprehensive support.