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WS-C3750X-48PF-L
Cisco WS-C3750X-48PF-L Catalyst 3750-X 48-Port Gigabit PoE+...
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WS-C3750X-48PF-L is a discontinued, managed Layer 2 enterprise access switch with 48 10/100/1000 RJ-45 ports and PoE+ for powered endpoints. The Cisco Catalyst 3750-X occupies one rack unit and carries LAN Base for access switching connecting workstations, IP phones and wireless access points. Its uplink bay ships without an active network module: C3KX-NM-1G supplies four Gigabit SFP connections, C3KX-NM-10G supplies two 10G SFP+ connections, and C3KX-NM-10GT supplies two 10GBASE-T connections. The selected module determines the uplink hardware required on the order. Compared with discontinued WS-C3750X-48P-L, this configuration ships with C3KX-PWR-1100WAC rather than C3KX-PWR-715WAC. A second internal supply is optional, not included, so redundant power must be specified separately.
WS-C3750X-48PF-L price for new stock is $1,076.25, a 91.8% saving from the Cisco list price of $13,100.00. WS-C3750X-48PF-L refurb price is $115.50. WS-C3750X-48PF-L is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3750X-48PF-L for additional pricing. Browse the full Cisco 3750X Catalyst Switches series or explore all Cisco products.
160 Gbps switching capacity defines the fabric available for access traffic. 101.2 Mpps forwarding applies with two 10G uplinks installed, rather than implying those connections ship in the base chassis. 800W of shared PoE power requires endpoint allocation within the installed supply budget. StackWise Plus connects nine members through a 64 Gbps data stack, using dedicated rear connectors rather than the uplink bay. WS-C3750X-48PF-L uses 256 MB of DRAM and 64 MB of flash for Cisco IOS operation. The default forwarding template accommodates 6000 MAC entries, while LAN Base supports 255 VLANs. OSPF routed access is not included in LAN Base. Browser-based device management, the CLI and SNMP provide configuration and monitoring paths. Two C3KX-FAN-23CFM= modules, each containing two fans, provide chassis airflow. Keep C3KX-NM-BLANK= installed when no active uplink network module is fitted; operation with an open module bay is unsupported.
ORM Systems offers WS-C3750X-48PF-L new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty; returns are available for 30 days on every condition, terms apply. Certified refurbished units are inspected and bench-tested for power-on, POST, rated-speed port links, clean boot, PoE output under load on every powered port, module bay recognition, stack adapter negotiation, C3KX-PWR-1100WAC status and C3KX-FAN-23CFM= status; firmware is verified and configurations are wiped to factory default. Specify condition, quantity and required accessories on the PO for this switch. Enterprise and volume orders support PO acceptance, Net-30 for government and RMA with advance replacement across UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
License Tier | LAN Base |
Port Configuration | 48 x 1G PoE+ / modular uplinks |
PoE Budget | 800W shared |
Stacking | StackWise Plus / 9 members / 64 Gbps |
Lifecycle Status | Cisco service ended October 31, 2021 |
Replacement PID | C9300-48P-E / Cisco-remanufactured WS-C3750X-48PFL-RF |
In a university campus network, the WS-C3750X-48PF-L-TAA Catalyst 3750X 48-Port Full PoE LAN Base powers 48 ceiling-mounted wireless access points at up to 30W each, leverages Cisco StackWise Plus for 96 Gbps of stacking bandwidth, and implements dynamic QoS and VLAN segmentation. Outcome: Scalable, high-availability Wi-Fi infrastructure with centralized management, reduced cabling complexity, and lower total cost of ownership.
In a multi-branch retail environment, the WS-C3750X-48PF-L-TAA delivers full PoE+ to IP surveillance cameras, digital signage and Bluetooth beacons, enforces LAN Base ACLs for traffic isolation, and uses Cisco StackPower for redundant power delivery. Outcome: Enhanced loss prevention, personalized in-store promotions, and simplified, centralized network operations.
For a global headquarters deployment, the WS-C3750X-48PF-L-TAA supports 48 high-density IP phones and HD video conferencing endpoints, incorporates Cisco EnergyWise for power optimization, and applies advanced Layer 2 QoS policies per port. Outcome: Superior voice/video quality, rapid endpoint provisioning, and up to 40% reduction in energy costs.
When an existing power-sharing group needs another member, keep the power stack separate from the data-stack plan. StackPower connects four switches directly and uses CAB-SPWR-30CM or CAB-SPWR-150CM, not CAB-STACK-50CM. LAN Base needs Cisco IOS 15.0(2)SE for StackPower. Confirm software compatibility and power-cable lengths before the PO.
When replacement equipment must be staged before installation, select the console connection that matches the bench procedure. The USB mini-Type B console takes input priority over the rear RJ-45 console while connected. Record the intended console method and management access settings in the staging requirements before ordering.
When a maintenance PO must restore an existing chassis configuration, inventory installed options before selecting the replacement unit. A vacant second power bay requires C3KX-PS-BLANK= rather than an open slot for chassis cooling. Confirm C3KX-PS-BLANK= and the installed accessory inventory on the PO.
Active Cisco service coverage
WS-C3750X-48PF-L reached its last support date on October 31, 2021. C9300-48P-E is the current migration target after the discontinued intermediate replacement WS-C3850-48F-L.
Native 10G RJ-45 downlinks
WS-C3750X-48PF-L limits its fixed copper access ports to 1 Gbps. C3KX-NM-10GT adds uplinks, not native 10G capability to the fixed endpoint ports.
OSPF routing under LAN Base
WS-C3750X-48PF-L ships with LAN Base, which provides Layer 2 switching rather than OSPF routing. Routed access requires a separate IP Base entitlement.
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| WS-C3750X-48PF-L |  WS-C3750X-48T-S |  WS-C3750X-12S-E |  WS-C3750X-24U-L |  WS-C3750X-24P-S | |
|---|---|---|---|---|---|
| Depth | 495 mm | 460 mm | 460 mm | 11.13 inches | 460 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet |
| Flash Memory | 64 MB | 64 MB | 128 MB | 64 MB | 64 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-mount | Rack-Mount 1U |
| Height | 44.5 mm | 44.5 mm | 44.5 mm | 1.73 inches | 44.5 mm |
| Manufacturer Part Number | WS-C3750X-48PF-L | WS-C3750X-48T-S | WS-C3750X-12S-E | WS-C3750X-24U-L | WS-C3750X-24P-S |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Switching Capacity | 160 Gbps | 160 Gbps | 160 Gbps | 128 Gbps | 160 Gbps |
| Weight | 7.6 kg | 7.4 kg | 6.8 kg. | 23 lbs | 7.2 kg |
| Width | 445 mm | 445 mm | 445 mm | 17.32 inches | 445 mm |
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Reviewed on the 28 February 2019
48-port PoE LAN Base switch is compact, reliable, and easy to manage.
Reviewed on the 25 May 2026
High-density PoE deployment made simple.
Reviewed on the 17 March 2017
Consistent uptime and stable throughput.
Reviewed on the 10 June 2026
Ideal for enterprise edge access deployment.
Reviewed on the 30 November 2018
Predictable and reliable Cisco switch performance.
WS-C3750X-48PF-L is a stackable Catalyst 3750-X with 48 Gigabit PoE+ ports, an 1100W AC supply and LAN Base. WS-C3750X identifies the switch family; 48 gives the port count; PF identifies the full-PoE power configuration; L selects LAN Base. Uplinks require a separate network module.
WS-C3750X-48PF-L supports the web-based device manager, Cisco IOS CLI, Cisco Network Assistant, CiscoWorks LMS and SNMP management. CLI access uses RJ-45 or USB console connections or remote Telnet; SSH requires the cryptographic software image. A dedicated Ethernet management port provides another management connection, so specify the intended access method during staging.
WS-C3750X-48PF-L provides an 800W shared PoE budget with its shipped C3KX-PWR-1100WAC, with a 30W maximum per powered port. All 48 ports cannot simultaneously draw 30W from that single supply. Full-port maximum PoE+ requires a second C3KX-PWR-715WAC or C3KX-PWR-1100WAC, so specify supplemental power against the endpoint load.
WS-C3750X-48PF-L accepts C3KX-NM-1G for four 1G SFP uplinks, C3KX-NM-10G for two 10G SFP+ uplinks, or C3KX-NM-10GT for two 10GBASE-T uplinks. The base configuration excludes an active uplink module. C3KX-SM-10G requires IP Base or IP Services, so C3KX-SM-10G is not usable with the shipped LAN Base entitlement.
WS-C3750X-48PF-L supports nine-member StackWise Plus stacks with 64 Gbps stacking bandwidth, restricted to Catalyst 3750-X LAN Base members. CAB-STACK-50CM ships with the original switch configuration; CAB-STACK-1M= and CAB-STACK-3M= provide longer connections. Match software feature sets before adding hardware, since mixed LAN Base and higher-tier stacks are unsupported.
WS-C3750X-48PF-L includes LAN Base, with IP Base and IP Services activated through Cisco IOS feature licenses rather than a recurring subscription. The original upgrade paths include L-C3750X-48-L-S for IP Base and L-C3750X-48-L-E for IP Services. Verify the delivered unit's activated entitlement before treating higher-tier routing features as included.
WS-C3750X-48PF-L is discontinued: end of sale was October 30, 2016, and Cisco service ended October 31, 2021. Software maintenance ended October 30, 2017, and security support ended October 30, 2019. The forward replacement chain passes through discontinued WS-C3850-48F-L to current C9300-48P-E.
ORM Systems offers WS-C3750X-48PF-L new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Returns are 30 days for every condition, terms apply. Cisco's enhanced limited lifetime hardware warranty ended October 31, 2021. WS-C3750X-48PFL-RF is Cisco remanufactured, not ORM-refurbished.
WS-C3750X-48PF-L provides an 800W single-supply PoE budget, while WS-C3750X-48P-L provides 435W. Both carry 48 Gigabit PoE+ access ports and LAN Base, and both are discontinued. The full-PoE model suits retained installations needing greater endpoint power allocation; the lower-budget sibling suits lighter powered-device loads within its shared budget.
WS-C3750X-48PF-L ships with LAN Base, whereas WS-C3750X-48PF-S ships with IP Base for routed access. The port and power configurations match, but the software entitlement differs. Both models are discontinued. LAN Base suits retained Layer 2 installations; the IP Base variant suits legacy deployments needing the higher routing tier.
C9300-48P-E is the current migration target, while WS-C3750X-48PF-L is discontinued and its Cisco service ended October 31, 2021. The replacement path runs through discontinued WS-C3850-48F-L. Retained hardware sparing points to the older switch; replacement planning for a current product points to C9300-48P-E rather than the intermediate model.
Catalyst 3750-X supports two internal power supplies, but WS-C3750X-48PF-L ships with one C3KX-PWR-1100WAC and a blank in the second bay. A second supply is optional, not standard. Keep both bays populated with either a compatible supply or C3KX-PS-BLANK= to preserve chassis cooling during operation.
Catalyst 3750-X full-PoE models use a 1U rack-mount chassis measuring 44.5 mm high, 445 mm wide and 495 mm deep. WS-C3750X-48PF-L weighs 7.6 kg. Allow for the supply and stacking connections behind the chassis, and confirm C3KX-RACK-KIT= is included when assembling the PO.
WS-C3750X-48PF-L draws 137.2W at full traffic with C3KX-NM-1G installed and no PoE loading. That figure excludes endpoint power and is not a loaded-switch maximum. C3KX-PWR-1100WAC is the shipped supply rating, not a measurement of switch consumption; do not substitute that rating when estimating operating draw.
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