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WS-C3750X-48T-L
Cisco WS-C3750X-48T-L Catalyst 3750-X 48-Port Gigabit Switch...
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WS-C3750X-48T-L is a managed, stackable enterprise access switch with 48 RJ-45 ports supporting 10/100/1000 Ethernet and the LAN Base Layer 2 feature set. The non-PoE configuration connects independently powered endpoints rather than supplying power to attached devices. Its modular uplink bay accepts C3KX-NM-1G, C3KX-NM-10G, or C3KX-NM-10GT, but no uplink module is included in the base configuration. The Catalyst 3750-X Series uses a full-width 1U rack chassis for enterprise wired access. The discontinued WS-C3750X-48P-L differs by providing PoE+ on its access ports. Optional internal power redundancy lets the buyer specify a second C3KX-PWR-350WAC= instead of assuming that redundant supplies ship as standard. Uplink media, endpoint power requirements, and the required software feature set distinguish this configuration from other family members.
WS-C3750X-48T-L price for new stock is $1,323.00, a 87% saving from the Cisco list price of $10,200.00. WS-C3750X-48T-L refurb price is $110.88. WS-C3750X-48T-L is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3750X-48T-L for additional pricing. Browse the full Cisco 3750X Catalyst Switches series or explore all Cisco products.
160 Gbps switching capacity provides the fabric bandwidth for local switched traffic. 101.2 Mpps forwarding applies to the configuration with two 10G uplinks, so that performance figure should accompany the selected uplink hardware rather than imply installed uplink ports. WS-C3750X-48T-L carries 256 MB of DRAM and 64 MB of flash for software operation and image storage. LAN Base supports 255 VLANs and does not include OSPF routed access. The VLAN SDM template supports 12000 MAC entries, making template selection relevant to address-table requirements. Cisco Catalyst 3750-X supports LACP for aggregated Ethernet links and IGMP snooping for selective multicast forwarding. Management includes a browser-based device manager and local or remote CLI access; SSH requires a cryptographic software image. 145.4W consumption with C3KX-NM-10GT at 100% traffic and 115V AC provides a configuration-specific planning figure, not an unconditional maximum for every hardware combination.
WS-C3750X-48T-L is available new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty; both conditions include 30-day returns, terms apply. Certified refurbished units are inspected and bench-tested for power-on, POST, every port linking at rated speed, clean boot, and stack adapter negotiation; firmware is verified and configurations are wiped to factory default. Cisco's hardware warranty ended October 31, 2021; specify condition, quantity, and accessory PIDs before placing an order for this switch. For enterprise and volume POs, ORM Systems accepts POs, offers Net-30 for government and RMA with advance replacement, and provides regional stock and RMA in the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | LAN Base |
Port Configuration | 48 x 1G RJ-45; uplink module sold separately |
Stacking | StackWise Plus, 9 members, 64 Gbps |
Lifecycle Status | Cisco support ended October 31, 2021 |
Replacement PID | C9300-48T-E via discontinued WS-C3850-48T-L / WS-C3750X-48T-L-RF (Cisco remanufactured; discontinued) |
In a multi-building enterprise campus, use the WS-C3750X-48T-L as the central aggregation switch to interconnect access-layer switches via Cisco StackWise. This delivers a single management IP, up to 20 Gbps stacking bandwidth and hitless failover—streamlining operations, boosting throughput and ensuring nonstop connectivity.
At branch offices and contact centers, deploy the Catalyst 3750X 48 Port Data LAN Base (WS-C3750X-48T-L) to power up to 48 IP phones and access points with Class 3 PoE. Combined with hardware QoS and VLAN tagging, this ensures crystal-clear voice/video performance, simplified cabling and predictable service levels.
For high-security departments (finance, R&D), implement the WS-C3750X-48T-L with LAN Base to enforce multi-VLAN segmentation, port-based ACLs, DHCP snooping and Dynamic ARP Inspection. The outcome is microsegmented traffic isolation, automated threat mitigation and streamlined regulatory compliance.
When extending a shared-power installation, distinguish the StackPower group from the data stack. StackPower directly connects four switches and requires Cisco IOS 15.0(2)SE for LAN Base support. Specify CAB-SPWR-30CM= or CAB-SPWR-150CM= separately and check the installed software release before adding the power connections to the PO.
During bench staging, USB console input takes precedence over RJ-45 console input, although both consoles display output. Windows stations require a USB driver and a terminal-emulation application. Match the staging workstation and console connection to those requirements before specifying the deployment order.
When replacing a failed chassis without adding a second power supply, retain or order C3KX-PS-BLANK= for the unused supply slot. The chassis must not operate with that slot open because the blank maintains proper cooling. Specify the blank's inclusion before releasing the replacement PO.
Switch-powered phones or access points
WS-C3750X-48T-L has no PoE output on its access ports. For a current 48-port PoE+ replacement, the migration chain from its powered sibling reaches C9300-48P-E.
10G copper access ports
WS-C3750X-48T-L limits fixed access ports to Gigabit Ethernet. C3KX-NM-10GT adds two 10G copper uplinks but does not increase the speed of those access ports.
Active Cisco hardware support
WS-C3750X-48T-L passed its last date of Cisco support on October 31, 2021. The current migration target is C9300-48T-E, rather than the also-discontinued WS-C3850-48T-L.
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| WS-C3750X-48T-L |  WS-C3750X-48T-E |  WS-C3750X-48U-L |  WS-C3750X-24P-S |  WS-C3750X-48PF-L | |
|---|---|---|---|---|---|
| Depth | 460 mm | 18.9 inches | 495 mm | 460 mm | 495 mm |
| Ethernet Technology | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 64 MB | 256 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44.5 mm | 1.75 inches | 44.5 mm | 44.5 mm | 44.5 mm |
| Manufacturer Part Number | WS-C3750X-48T-L | WS-C3750X-48T-E | WS-C3750X-48U-L | WS-C3750X-24P-S | WS-C3750X-48PF-L |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Power Consumption | 145.4W (100% traffic with C3KX-NM-10GT at 115V AC) | 365 W | 129.48W with C3KX-NM-10G installed / no PoE load | 99.3W without PoE load using C3KX-NM-1G at 100% traffic | 137.2W / C3KX-NM-1G installed / 100% traffic / no PoE load |
| Switching Capacity | 160 Gbps | 176 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
| Weight | 7.4 kg | 25 lbs | 7.6 kg | 7.2 kg | 7.6 kg |
| Width | 445 mm | 17.5 inches | 445 mm | 445 mm | 445 mm |
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Reviewed on the 26 December 2023
48-port LAN Base switch delivers solid performance and easy management.
Reviewed on the 18 January 2025
Handles moderate traffic reliably and efficiently.
Reviewed on the 27 November 2024
Cisco build ensures minimal downtime.
Reviewed on the 12 March 2018
Ideal for enterprise access and edge deployments.
Reviewed on the 10 July 2017
Predictable operation and stable throughput.
WS-C3750X-48T-L identifies a Catalyst 3750-X stackable switch: WS-C3750X is the family identifier, 48 indicates 48 access ports, T identifies the 10/100/1000 non-PoE configuration, and L identifies LAN Base. The configuration includes C3KX-PWR-350WAC and a modular uplink bay; no uplink module is included.
WS-C3750X-48T-L supports web device manager, console CLI, SSH, Telnet, Cisco Network Assistant, CiscoWorks LMS, and SNMP management. SSH requires a cryptographic software image. Local console access is available through USB mini-Type B or RJ-45, while the dedicated Ethernet management port supports out-of-band administration.
WS-C3750X-48T-L is discontinued: end of sale was October 30, 2016, and Cisco support ended October 31, 2021. The original successor, WS-C3850-48T-L, is also discontinued. The forward migration chain reaches C9300-48T-E, the 48-port data-only model with Network Essentials for current replacement orders.
ORM Systems offers WS-C3750X-48T-L new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Returns are accepted for 30 days in either condition; terms apply. Cisco's former Enhanced Limited Lifetime Hardware Warranty ended October 31, 2021.
WS-C3750X-48T-L includes LAN Base and supports feature-license upgrades to IP Base or IP Services. IP Base paths are C3750X-48-L-S and L-C3750X-48-L-S; direct IP Services paths are C3750X-48-L-E and L-C3750X-48-L-E. IP Base can subsequently use C3750X-48-S-E, L-C3750X-48-S-E, or factory upgrade C3750X-48-IOS-S-E. Feature activation uses an installed license file.
WS-C3750X-48T-L has an empty modular uplink bay supporting C3KX-NM-1G, C3KX-NM-10G, or C3KX-NM-10GT. C3KX-NM-1G provides four 1G SFP ports; C3KX-NM-10G supports two 10G SFP+ or four 1G SFP ports. C3KX-NM-10GT supplies two 10G copper ports. Specify the selected module and compatible fiber optics separately on the order.
Nine Catalyst 3750-X LAN Base switches can form one StackWise Plus data stack with 64 Gbps stack throughput. LAN Base members cannot mix with IP Base or IP Services members. CAB-STACK-50CM=, CAB-STACK-1M=, and CAB-STACK-3M= provide different cable lengths; match the cable selection to the rack arrangement.
WS-C3750X-48T-L ships with one C3KX-PWR-350WAC; a second C3KX-PWR-350WAC= can be ordered for internal redundancy. The second bay normally contains C3KX-PS-BLANK=. Keep that blank installed when only one supply is used, because an open bay disrupts chassis cooling. The standard AC input range is 100-240V AC.
No, WS-C3750X-48T-L ships with LAN Base, a Layer 2 feature set, rather than an OSPF routing license. IP Base supports OSPF routed access after feature activation; IP Services adds advanced protocols including EIGRP and BGP. Specify the required routing feature license before deployment rather than assuming the hardware unlocks Layer 3.
WS-C3750X-48P-L supplies PoE+ to its 48 access ports, while WS-C3750X-48T-L provides data connectivity without endpoint power. Both models are discontinued. For an existing installation, WS-C3750X-48P-L serves switch-powered endpoints; WS-C3750X-48T-L serves independently powered equipment. The distinction is endpoint power delivery, not access-port count or Ethernet speed.
WS-C3750X-48T-S includes IP Base Layer 3 features, while WS-C3750X-48T-L includes LAN Base Layer 2 switching. Both models are discontinued. IP Base supports OSPF routed access; LAN Base serves an existing access segment whose routing remains elsewhere. Match the feature set to the legacy configuration rather than selecting solely by chassis identity.
C9300-48T-E is the current migration endpoint, whereas Cisco support for WS-C3750X-48T-L ended October 31, 2021. The intervening WS-C3850-48T-L is also discontinued. C9300-48T-E suits a current replacement order; WS-C3750X-48T-L suits maintaining a legacy installation without active Cisco support rather than starting a new supported deployment.
The Catalyst 3750-X uses a full-width 1U rack chassis; WS-C3750X-48T-L measures 44.5 mm high, 445 mm wide, and 460 mm deep. The unit weighs 7.4 kg with its standard C3KX-PWR-350WAC. C3KX-RACK-KIT= is the matching rack-mount spare when the order requires mounting hardware rather than an existing installation's retained brackets.
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