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48 × GE + 4 × 10G
48 Gigabit Ethernet access ports connect end devices — PCs, phones, cameras — while 4 × 10G SFP+ uplinks provide future-proof high-speed connectivity to distribution switches.
48 Ports
Gigabit Ethernet
4 ×10G
SFP+ uplinks
104 Gbps
Switching capacity
L2
Managed switching
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Download Official Datasheet
PDF · Official manufacturer document
CiscoSKU: C1000-48T-4X-L
Cisco Catalyst 1000-48T-4X-L Fixed Managed Switch
48-Port SMB Switching — GE Access with 10G SFP+ Uplinks
The Cisco Catalyst 1000-48T-4X-L provides 48 Gigabit Ethernet access ports and 4 × 10G SFP+ uplinks — delivering high-density SMB switching with future-proof 10G uplink capacity.
- 48 × 10/100/1000 Mbps RJ45 access ports
- 4 × 10G SFP+ uplink ports
- Cisco IOS Layer 2 management
- 104 Gbps switching capacity
- PoE variant: C1000-48P-4X-L (370W) and C1000-48FP-4X-L (740W)
- Fanless design (non-PoE model)
- VLAN, QoS, 802.1X security features
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Key Features
Everything you need in one device
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Cisco IOS
Cisco IOS CLI and web management — familiar interface for IT teams standardised on Cisco, reducing training and operational overhead.
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Layer 2 Security
DHCP snooping, Dynamic ARP Inspection, port security, 802.1X with RADIUS, and IP Source Guard protect the access layer from common attacks.
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QoS Prioritisation
Supports 802.1p CoS and DSCP-based QoS with 4 hardware queues per port — ensuring voice and video traffic gets consistent low-latency treatment.
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Energy Efficient Ethernet
IEEE 802.3az EEE support reduces idle port power draw — important in 48-port deployments where aggregate power savings are significant.
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VLAN Support
Up to 255 active VLANs with 802.1Q — segment data, voice, IoT, management, and guest traffic on the same physical switch.
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10G Ready Uplinks
4 × 10G SFP+ uplinks future-proof the access layer for 10G distribution switches — avoiding a costly uplink forklift upgrade as bandwidth needs grow.
About the Cisco Catalyst 1000-48T
The Cisco Catalyst 1000-48T-4X-L is a 48-port Gigabit Ethernet Layer 2 managed switch with 4 × 10G SFP+ uplinks — the high-density SMB model in the Catalyst 1000 family. Its key differentiator from the 24-port C1000-24T is the combination of higher port density and 10G SFP+ uplinks, making it appropriate for larger SMB environments or branch offices with future 10G distribution switching.
Running Cisco IOS, the C1000-48T-4X-L supports the standard Catalyst managed switch feature set: 802.1Q VLANs, QoS marking and queuing, port security, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, and 802.1X port-based authentication with RADIUS. Its 104 Gbps switching capacity provides ample headroom for high-density access deployments.
The fanless design (non-PoE model) ensures silent operation — suitable for offices and spaces where noise is a concern. For deployments requiring PoE for IP phones, access points, or IP cameras, the C1000-48P-4X-L provides 370W total PoE budget, and the C1000-48FP-4X-L provides 740W for full PoE delivery to all 48 ports simultaneously.
The Catalyst 1000 series is ideal for organisations looking for Cisco's reliability and management ecosystem at a lower cost than the enterprise Catalyst 9000 series — without advanced features like streaming telemetry, ISSU, or programmable ASICs. For those needing those capabilities, the Catalyst 9200 is the natural step up.
Technical Specifications
📄 Download Datasheet (PDF)Use Cases
Ideal for a wide range of deployments
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Dense SMB Access Layer
48 GE ports serve medium-size offices and branch sites with VLAN segmentation, QoS, and standard Layer 2 security.
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10G Distribution Ready
4 × 10G SFP+ uplinks connect to 10G distribution switches — future-proofing the access layer as bandwidth demands grow.
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Voice + Data + CCTV
VLAN segmentation and QoS support simultaneous deployment of IP phones, access points, and IP cameras on the same switch.
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Secure Access
802.1X with RADIUS, DHCP snooping, and port security enforce identity-based wired access policies.
FAQ
Frequently Asked Questions
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Our engineers will help you select the right product and advise on compatibility with your existing infrastructure.
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Genuine, Warranted Kit
All products are genuine, brand-new, with full manufacturer warranty and RMA support.
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Configuration Services
We can pre-configure your hardware before shipping — reducing on-site deployment time and cost.
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Expert UK Support
Post-sale support from our certified UK engineers (Mon–Fri 09:00–17:30). We're here if anything goes wrong.
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