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C9300LM-48UX-4Y-A
Cisco C9300LM-48UX-4Y-A Catalyst 9300LM 48-Port UPOE Switch,...
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C9300LM-48UX-4Y-A combines eight Multigigabit copper downlinks with 40 Gigabit Ethernet downlinks and four fixed 25G SFP28 uplinks in a Layer 3 enterprise access switch. All access ports support Cisco UPOE, allowing powered endpoints and data-only devices to share the chassis. The Multigigabit ports negotiate 100M/1G/2.5G/5G/10G, while the remaining copper ports serve 10M/100M/1G connections. Network Advantage supplies the perpetual advanced network tier. Catalyst 9300LM uses a 1U rack-mount form factor with built-in uplinks rather than a removable uplink card. C9300LM-48T-4Y-A is the data-only sibling without UPOE. Within the Catalyst 9000 family, this configuration addresses access purchases that mix Multigigabit wireless access points with Gigabit phones and other wired endpoints.
C9300LM-48UX-4Y-A price for new stock is $7,035.00. C9300LM-48UX-4Y-A refurb price is $7,325.85. C9300LM-48UX-4Y-A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9300LM-48UX-4Y-A for additional pricing. Browse the full Cisco 9300LM Catalyst Switches series or explore all Cisco products.
440 Gbps switching capacity and 327.36 Mpps forwarding rate characterize standalone operation; 760 Gbps switching capacity with stacking covers data-stack operation. 790W of shared PoE power from the standard PWR-C6-1KWAC must be allocated across powered endpoints. OSPF, EIGRP, BGP, and IS-IS provide dynamic routing under Network Advantage without the Network Essentials OSPF limit. C9300LM-48UX-4Y-A combines 8 GB DRAM and 16 GB flash for Cisco IOS XE operation and image storage. Address learning supports 32000 MAC entries, while the total IPv4 forwarding scale is 32000 routes, including directly connected entries. Cisco UADP 2.0 handles forwarding with template-based allocation of routing, security, and QoS entries. Embedded WebUI and SSH CLI access support local configuration and troubleshooting. Cisco StackPower and hardware-based IPsec are absent. 1008.3W measured AC input under full PoE loading at 115V provides a power-planning reference; input consumption is distinct from power-supply output capacity.
ORM Systems offers C9300LM-48UX-4Y-A new sealed or certified refurbished, with up to a 3-year extended warranty on new orders and up to 1 year on certified refurbished orders; 30-day returns apply to both conditions, terms apply. Certified refurbished units are inspected and bench-tested, including power-on and POST, clean boot, PoE output verification under load on every powered port, and firmware verification with configuration wiped to factory default. Specify the condition and itemize power, stacking, and licensing requirements on the purchase order. POs are accepted, government orders qualify for Net-30, and RMA includes advance replacement; volume orders can coordinate regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE |
License Tier | Network Advantage |
Port Configuration | 40x1G UPOE / 8xMultigigabit UPOE / 4x25G SFP28 |
PoE Budget | 790W single supply / 1790W with two PWR-C6-1KWAC |
Stacking | StackWise-320 / 320 Gbps / eight members |
Max Power Draw | 1008.3W at 115V with full PoE loading. |
When an access refresh adds routed interfaces and segmented endpoint groups, inventory the required interfaces before choosing quantities. The hardware supports 1000 switched virtual interfaces and 4094 VLAN IDs, which are separate limits. Specify the intended interface count and VLAN allocation alongside the hardware and licensing requirements before the purchase order.
When multiple branches need a consistent rack installation, include the site's startup temperature and ventilation layout in the equipment schedule. Cold startup requires at least 0°C, and airflow runs front-to-rear and side-to-rear. Confirm mounting clearance, cable routing, and unobstructed intake and exhaust paths before specifying each branch's order.
When switches are staged before shipment to installation sites, establish a repeatable console-access procedure rather than relying on an existing configuration. The serial console defaults to 9600 baud, eight data bits, one stop bit, and no parity. Specify the workstation connection and terminal settings before releasing the staging purchase order.
90W power for powered endpoints
C9300LM-48UX-4Y-A supports 60W UPOE per port, not 90W UPOE+. C9300X-48HX-A offers 90W UPOE+ and Multigigabit capability across all 48 downlinks, with modular uplinks.
Multigigabit speeds on every downlink
Only eight access ports support Multigigabit speeds; the other 40 stop at 1G. C9300X-48HX-A provides 48 Multigigabit downlinks and changes the uplink architecture to modular.
40G or 100G uplink connectivity
The built-in uplinks stop at 25G and cannot be replaced with a network card. C9300X-48HX-A supports modular uplinks, including C9300X-NM-2C for 40G or 100G connections.
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| C9300LM-48UX-4Y-A |  C9300LM-24U-4Y-E |  C9300LM-48U-4Y-A |  C9300LM-48UX-4Y-E |  C9300LM-48U-4Y-E | |
|---|---|---|---|---|---|
| Depth | 334 mm | 334 mm | 334 mm | 334 mm | 334 mm |
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet |
| Flash Memory | 16 GB | 16 GB | 16 GB | 16 GB | 16 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43 mm | 43 mm | 43 mm | 43 mm | 43 mm |
| Manufacturer Part Number | C9300LM-48UX-4Y-A | C9300LM-24U-4Y-E | C9300LM-48U-4Y-A | C9300LM-48UX-4Y-E | C9300LM-48U-4Y-E |
| Memory | 8 GB | 8 GB | 8 GB | 8 GB | 8 GB |
| Power Consumption | 1008.3W | 94.3W excluding PoE | 986.7W | 1008.3W at 115V AC with full PoE load | 986.7W |
| Switching Capacity | 440 Gbps | 248 Gbps | 296 Gbps | 440 Gbps | 296 Gbps |
| Weight | 5.45 kg. | 5.21 kg. | 5.45 kg | 5.45 kg. | 5.45 kg. |
| Width | 444 mm | 444 mm | 444 mm | 444 mm | 444 mm |
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C9300LM-48UX-4Y-A identifies a Catalyst 9300 mini 48-port UPOE switch with mixed Multigigabit copper, four 25G uplinks, and Network Advantage. C9300LM denotes the mini family; 48 specifies access-port count; UX identifies eight 10G Multigigabit plus 40 Gigabit ports; 4Y denotes four 25G uplinks; A selects Network Advantage.
Catalyst 9300LM switches support CLI access through local console or SSH, the embedded WebUI, and Cisco Catalyst Center for centralized management. RJ-45 and USB console connections support initial setup, while the Ethernet management port provides a separate management connection. Select the management method and required subscription entitlements before ordering.
Cisco has not announced an end-of-sale date for Catalyst 9300LM. C9300LM-48UX-4Y-A therefore has no announced hardware replacement PID or hardware support-end milestone. Software releases and subscription products have their own lifecycles, so an IOS XE retirement date is not a hardware retirement date for this switch.
ORM offers C9300LM-48UX-4Y-A new sealed or certified refurbished: new orders receive up to a 3-year extended warranty; refurbished orders receive up to 1 year. Returns are available for 30 days in either condition, terms apply. Cisco's separate Enhanced Limited Lifetime hardware warranty covers the original owner and is limited to five years after discontinuance.
C9300LM-48UX-4Y-A supports Cisco DNA, Cisco Catalyst, and Cisco Networking Subscription paths. Cisco DNA Essentials/Advantage and Cisco Catalyst Essentials/Advantage have 3-year minimums; Cisco Switching Essentials/Advantage under Cisco Networking Subscription has a 36-month minimum. Initial legacy orders pair Advantage with perpetual Network Advantage. A Smart Account manages entitlements; legacy subscription expiry does not expire the base tier.
C9300LM-48UX-4Y-A offers a 790W shared PoE budget with the standard PWR-C6-1KWAC, rising to 1790W with two PWR-C6-1KWAC supplies. Cisco UPOE supports 60W per powered port, but the shared budget does not support every port at that maximum simultaneously. Size endpoint allocations against the selected power-supply configuration before ordering.
C9300LM-48UX-4Y-A has four fixed 25G SFP28 uplinks rather than a removable network-module bay. The built-in uplink ports are part of the chassis, and their maximum speed class is 25G. Specify the required compatible transceivers, link distance, fiber type, and far-end port compatibility before finalizing the order.
C9300LM-48UX-4Y-A supports eight-member StackWise-320 stacks at 320 Gbps. C9300L-STACK-KIT2 supplies the adapters and STACK-T3A-50CM; longer options are STACK-T3A-1M and STACK-T3A-3M. Stack partners must be Catalyst 9300L or Catalyst 9300LM switches with matching license levels. Modular-uplink Catalyst 9300 and Catalyst 9300X switches cannot join that stack.
C9300LM-48UX-4Y-A supports full OSPF, EIGRP, BGP, and IS-IS under Network Advantage. Total IPv4 capacity is 32000 routes, comprising 24000 direct and 8000 indirect entries. Plan the intended routing adjacencies and forwarding-table use against those hardware limits rather than treating the indirect-route subset as the total route capacity.
C9300LM-48UX-4Y-A ships with one PWR-C6-1KWAC and supports an optional second internal supply. A second PWR-C6-1KWAC or PWR-C6-600WAC provides another supported AC configuration. Both supply slots must contain either a supply or a blank for cooling; confirm the installed modules and required quantity on the purchase order.
C9300LM-48UX-4Y-A is a full-width 1U rack-mount switch with 444 mm width and 334 mm depth including fans. The chassis is 43 mm high and weighs 5.45 kg with its default supply. Allow additional room for power connections, fiber bends, and cooling clearance rather than treating chassis depth as complete installation depth.
C9300LM-48UX-4Y-A supplies Cisco UPOE on its access ports, whereas C9300LM-48T-4Y-A is data-only. Endpoints requiring power from their network connection need the powered model rather than the data-only version. Select the UPOE model for network-powered endpoints; the data-only model suits an access-port inventory whose devices have separate power.
C9300LM-48UX-4Y-A includes Network Advantage, whereas C9300LM-48UX-4Y-E includes Network Essentials. Advantage adds advanced routing including BGP, full EIGRP, and IS-IS; Essentials provides routed access with OSPF limited to 1000 routes. The Advantage version suits advanced routing requirements, while Essentials suits deployments staying within its routed-access feature set.
C9300LM-48UX-4Y-A provides 48 access ports rather than the 24 on C9300LM-24U-4Y-A. The higher-density model accommodates a larger copper-port inventory in one chassis; the 24-port version fits orders with fewer endpoint connections. Match the actual port inventory and planned additions to the selected density before specifying quantities.
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