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WS-C3750G-48PS-E
Cisco WS-C3750G-48PS-E Catalyst 3750G 48-Port Gigabit PoE Sw...
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WS-C3750G-48PS-E is a managed Layer 3 enterprise access switch with 48 Gigabit Ethernet copper ports, original IEEE 802.3af PoE and four fixed 1G SFP uplinks. Its full-width 1U chassis belongs to the Catalyst 3750G range and carries the IP Services software image for advanced routing. The discontinued WS-C3750G-48TS-E provides the corresponding non-PoE configuration for independently powered endpoints. This model accommodates supported phones and wireless access points alongside ordinary Ethernet devices, but does not provide PoE+ endpoint power or native 10G uplinks. Access control lists, rate limiting and voice VLAN support let administrators separate traffic policies without changing the installed access-switch architecture.
WS-C3750G-48PS-E price for new stock is is available on request. Get immediate quote. WS-C3750G-48PS-E refurb price is $302.40.
Request bulk order quote for WS-C3750G-48PS-E for additional pricing. Browse the full Cisco Catalyst 3750G Switches series or explore all Cisco products.
32 Gbps switching capacity defines the switching fabric, while 38.7 Mpps forwarding handles 64-byte packets. A shared 370W PoE budget requires endpoint loads to be allocated rather than assuming full power across every powered port. OSPF, EIGRP, BGPv4 and IS-ISv4 support dynamic routing; PBR controls forwarding policy, while PIM-SM and PIM-DM support multicast routing. WS-C3750G-48PS-E uses 128 MB DRAM and 32 MB flash memory for operation and image storage. Configurable resource allocation supports 12000 MAC addresses and 11000 unicast routes, with Switching Database Manager templates determining how resources serve the intended configuration. The Catalyst 3750 family also supports RSTP and LACP for loop control and link aggregation. A measured 541W draw at full throughput with maximum PoE loading provides a loaded operating reference for electrical planning, rather than treating endpoint power alone as total switch consumption.
WS-C3750G-48PS-E is offered new sealed or certified refurbished; specify the condition, required image and accessory PIDs on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, PoE output under load on every powered port, optics bay recognition, stack adapter negotiation and PSU status, with firmware verified and configuration wiped to factory default. ORM provides up to a 3-year extended warranty for new units, up to 1 year for certified refurbished units, and 30-day returns on every condition, terms apply; Cisco coverage ended January 31, 2018. For enterprise and volume orders, PO acceptance, government Net-30, advance-replacement RMA and regional stock/RMA coverage across the UK, EU, US and MEA are available.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | IP Services |
Port Configuration | 48 x 1G PoE, 4 x 1G SFP |
PoE Budget | 370W shared |
Lifecycle Status | End of sale January 30, 2013 |
Replacement PID | C9300-48P-A current / WS-C3750X-48P-E discontinued |
An existing phone or access-point estate can use the original PoE allocation: 24 ports at 15.4W, 48 ports at 7.7W, or a mixture between those limits. Inventory endpoint requirements rather than treating the port count as a full-power guarantee, then specify the powered-device load schedule before the PO.
A branch consolidation retaining routed VLAN interfaces needs an interface plan, not just enough copper connections. The recommended configuration is 128 SVIs, with a maximum of 1000 depending on routes and multicast entries. Confirm the intended template, interface count and multicast requirements during staging, then specify the configuration to be validated.
An interoperability lab using large frames can stage the switch around its configurable 9000-byte MTU and 9018-byte maximum Ethernet frame size for bridging on Gigabit Ethernet ports. Keep the acceptance requirement tied to that bridging capability rather than assuming identical routed behavior, and specify the intended packet sizes in the test plan.
PoE+ power for higher-draw endpoints
WS-C3750G-48PS-E supplies original PoE rather than PoE+. C9300-48P-A provides a current 48-port PoE+ migration option with Network Advantage for deployments requiring the newer endpoint-power class.
Native 10G uplinks on the chassis
The four built-in SFP uplinks operate at 1G, and the chassis has no removable uplink card bay. A requirement for native 10G uplinks exceeds this model's hardware configuration.
Two internal redundant power supplies
Power redundancy depends on an external redundant power system rather than a second internal PSU bay. A purchase requiring two internal redundant supplies needs a different chassis architecture.
Current Cisco hardware support eligibility
Standard Cisco hardware support ended January 31, 2018. C9300-48P-A is the current migration destination for buyers requiring a successor rather than additional discontinued installed-base hardware.
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| WS-C3750G-48PS-E |  WS-C3750G-24TS-S1U |  WS-C3750G-24PS-E |  WS-C3750G-24TS-E1U |  WS-C3750G-48TS-S | |
|---|---|---|---|---|---|
| Depth | 409 mm | 378 mm | 378 mm | 378 mm | 409 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 32 MB | 32 MB | 32 MB | 32 MB | 32 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | WS-C3750G-48PS-E | WS-C3750G-24TS-S1U | WS-C3750G-24PS-E | WS-C3750G-24TS-E1U | WS-C3750G-48TS-S |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 541W | 94W at 100% throughput | 492W | 94W | 152W at 100% throughput |
| SFP Ports | 4 x 1GbE | 4 x 1GbE | 4 x 1GbE | 4 x 1GbE | 4 x 1GbE |
| Switching Capacity | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps |
| Weight | 7 kg | 5.5 kg. | 6.1 kg. | 5.5 kg | 6.4 kg. |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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WS-C3750G-48PS-E identifies a Gigabit Ethernet Catalyst 3750 switch with 48 PoE copper ports, four SFP uplinks and IP Services. WS-C3750G identifies the switch group, 48 identifies the access-port count, PS identifies the powered copper configuration with SFP uplinks, and E identifies the IP Services image rather than IP Base.
Catalyst 3750G supports a console CLI, remote CLI through Telnet or SSH, browser-based setup, Cisco Network Assistant, CiscoWorks and SNMPv1, SNMPv2c or SNMPv3 management. SSH and encrypted SNMPv3 require a cryptographic image. A physical stack is managed as one logical switch through a single management IP address.
WS-C3750G-48PS-E reached end of sale on January 30, 2013, and its standard Cisco support milestone ended January 31, 2018. The original replacement, WS-C3750X-48P-E, is also discontinued. C9300-48P-A is the current migration destination, rather than treating an intermediate replacement as a current product.
ORM Systems offers WS-C3750G-48PS-E new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are accepted within 30 days on every condition; terms apply. Cisco's original limited lifetime coverage ended with standard support on January 31, 2018.
WS-C3750G-48PS-E includes IP Services in a range offering IP Base and IP Services images. IP Base provides static routing, RIP and EIGRP Stub; IP Services adds advanced IPv6 and multicast routing. CD-3750G-48EMI= is the separate upgrade kit for standard 48-port versions, rather than an addition required by this IP Services configuration.
WS-C3750G-48PS-E provides a shared 370W PoE budget, supporting 24 ports at 15.4W, 48 ports at 7.7W, or an intermediate allocation. All 48 copper access ports support original PoE, but the available budget does not support every port at the per-port maximum simultaneously. Endpoint requirements must determine the allocation.
Catalyst 3750G supports Gigabit SFP options including GLC-SX-MM=, GLC-LH-SM=, GLC-ZX-SM= and GLC-T=. These provide multimode fiber, long-wavelength fiber, extended-reach fiber or copper connection choices respectively. Match the selected transceiver to the cable, connector and far-end interface; the fixed SFP uplinks do not become 10G ports through an optic change.
Catalyst 3750G uses Cisco StackWise to stack nine members through a 32 Gbps interconnect without consuming access ports. CAB-STACK-50CM=, CAB-STACK-1M= and CAB-STACK-3M= provide different cable lengths. Members operate as one logical switching system, and their software revisions must be aligned when the stack configuration changes.
WS-C3750G-48PS-E supports dynamic Layer 3 routing through OSPF, EIGRP, BGPv4 and IS-ISv4 under its IP Services image. IPv6 routing includes OSPFv6 and EIGRPv6, while PBR controls forwarding policy and PIM supports multicast routing. The configurable unicast-route scale is 11000 routes, with resource allocation depending on the selected template.
No, WS-C3750G-48PS-E does not have a second internal redundant PSU configuration; power redundancy uses an external system. The supported connections are PWR-RPS2300 or PWR675-AC-RPS-N1=. The internal supply accepts 100-240V AC, so an external redundancy requirement must be specified separately from the base switch on the purchase order.
WS-C3750G-48PS-E powers endpoints through PoE, whereas WS-C3750G-48TS-E has non-PoE copper access ports. Both discontinued configurations provide 48 Gigabit access ports, four Gigabit SFP uplinks and IP Services. The powered model addresses existing PoE endpoint requirements; the non-PoE model addresses installed-base networks where connected equipment receives power independently.
WS-C3750G-48PS-E includes IP Services, while WS-C3750G-48PS-S includes IP Base on the corresponding powered configuration. Both models are discontinued. IP Services addresses existing advanced dynamic, IPv6 and multicast routing requirements; IP Base addresses configurations using its smaller routing feature set, including static routing, RIP and EIGRP Stub.
WS-C3750G-48PS-E is discontinued installed-base hardware, whereas C9300-48P-A is the current migration destination reached through its replacement chain. Standard support for the older switch ended January 31, 2018. The older part addresses like-for-like legacy sparing; C9300-48P-A addresses buyers moving the purchase to the current successor family.
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