• Cisco Catalyst 9300-48UB-E 48-port UPOE Switch Black Silver
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Cisco

Cisco C9300-48UB-E | Catalyst 9300 48-Port UPOE Switch, Deep Buffer, Network Essentials

C9300-48UB-E

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Description

The Catalyst 9300 C9300-48UB-E is a stackable enterprise access switch for campus and branch networks that need Cisco UPOE for high-power endpoints such as wireless access points, IP phones, IoT devices, LED lighting and displays. As a higher-scale deep buffer 'B' model, it also suits deployments with multimedia traffic, large routing and MAC tables, or an SD-Access fabric edge.

It provides 48 x 10/100/1000 Cisco UPOE ports delivering up to 60W per port, with modular uplinks through C9300-NM network modules. Switching capacity is 256 Gbps (736 Gbps with stacking) and forwarding rate is 190.48 Mpps. Compared with standard C9300 models, the packet buffer is 32 MB and the MAC table holds 64,000 addresses. The default PWR-C1-1100WAC-P power supply gives an 822W PoE budget, and a second supply raises this. The switch carries the Network Essentials licence, which covers Layer 2, routed access, 802.1X and MACsec-128.

It accepts the non-X C9300-NM modules (C9300-NM-4G, C9300-NM-4M, C9300-NM-8X, C9300-NM-2Q and C9300-NM-2Y) and runs Cisco IOS XE. StackWise-480 stacking supports up to 8 members, and higher-scale models stack only with other higher-scale 'B' models.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Cisco UPOE (60W per port) and IEEE 802.3bt Type 3 support on all 48 ports
- Perpetual PoE and Fast PoE keep endpoints powered across switch reloads
- StackWise-480 stacking and Cisco StackPower power sharing across the stack
- Deeper packet buffer and higher scale for multimedia content and larger routing tables
- Secure Boot, Trust Anchor module, MACsec-128 and Encrypted Traffic Analytics support
- Cisco IOS XE with NETCONF, RESTCONF and YANG programmability, streaming telemetry and containerised app hosting
- Foundation for Cisco SD-Access, Catalyst Center and Meraki dashboard cloud monitoring
- Redundant N+1 hot-swappable fans and dual power supply support

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

Datasheet

Manual

Technical Specifications

- Ports: 48 x 10/100/1000 Cisco UPOE copper
- Uplinks: modular, C9300-NM network modules (sold separately)
- Default power supply: PWR-C1-1100WAC-P, 1100W AC
- PoE budget with single 1100W PSU: 822W
- PoE budget with 350W secondary PSU: 1172W
- PoE budget with 715W secondary PSU: 1537W
- PoE budget with 1100W or 1900W secondary PSU: 1800W
- Switching capacity: 256 Gbps (736 Gbps with stacking)
- Forwarding rate: 190.48 Mpps (547.62 Mpps with stacking)
- Stacking: StackWise-480, 480 Gbps, up to 8 members
- MAC addresses: 64,000
- IPv4 routes: 112,000
- IPv6 routing entries: 56,000
- Multicast routing scale: 16,000
- QoS scale entries: 18,000
- ACL scale entries: 18,000
- Packet buffer: 32 MB
- Flexible NetFlow entries: 128,000 flows
- DRAM: 8 GB
- Flash: 16 GB
- VLAN IDs: 4094
- Jumbo frames: 9198 bytes
- Dimensions chassis only (H x W x D): 4.4 x 44.5 x 40.9 cm
- Weight with default power supply: 7.72 kg
- MTBF: 337,170 hours
- Operating temperature: -5 to +45 C up to 1500 m
- Storage temperature: -40 to 70 C
- Relative humidity: 5% to 90% non-condensing

FAQs

Q: Which licence does the C9300-48UB-E use?
A: It uses the perpetual Network Essentials licence, covering Layer 2, routed access, basic QoS, 802.1X and MACsec-128. BGP, VRF, VXLAN, MPLS and MACsec-256 need Network Advantage.

Q: How much PoE does it provide?
A: With a single PWR-C1-1100WAC-P power supply the PoE budget is 822W. Adding a second supply raises it: 1172W with a 350W unit, 1537W with a 715W unit and up to 1800W with an 1100W unit.

Q: Which uplink modules does it accept?
A: It accepts the Catalyst 9300 non-X modules C9300-NM-4G, C9300-NM-4M, C9300-NM-8X, C9300-NM-2Q and C9300-NM-2Y. Catalyst 9300X modules are not supported.

Q: What can it be stacked with?
A: It stacks via StackWise-480 with other higher-scale 'B' models only, such as the C9300-24UB, C9300-24UXB and C9300-48UB. It cannot stack with standard C9300, C9300X or C9300L switches.

Q: How does the UB model differ from a standard C9300 UPOE switch?
A: The B designation means a deeper 32 MB packet buffer and higher forwarding-table scale, including 64,000 MAC addresses. That suits multimedia-heavy networks and larger routing tables.

Datasheet

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Manual

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