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WS-C3750G-24TS-S1U
Cisco WS-C3750G-24TS-S1U Catalyst 3750G 24-Port Gigabit Swit...
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WS-C3750G-24TS-S1U is a managed Layer 3 enterprise access switch with 24 10/100/1000 RJ-45 ports and four fixed Gigabit SFP uplinks in a 1U rack-mount chassis. Its IP Base image provides basic routed access without PoE output, so attached endpoints need their own power. The Cisco Catalyst 3750G-24TS-1U configuration combines copper endpoint connections with separate fiber uplink interfaces rather than a removable uplink card. Discontinued WS-C3750G-24PS-S is the closest powered sibling, adding PoE while retaining the same access density and SFP count. The Cisco Catalyst 3750 Series serves enterprise branches and wiring closets where existing configuration and interconnect requirements determine the purchase. Treat this model as legacy hardware for an established installation, not as a current-generation campus refresh.
WS-C3750G-24TS-S1U price for new stock is $79.96, a 30.1% saving from the Cisco list price of $114.37. WS-C3750G-24TS-S1U refurb price is $97.63. WS-C3750G-24TS-S1U is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3750G-24TS-S1U for additional pricing. Browse the full Cisco Catalyst 3750G Switches series or explore all Cisco products.
32 Gbps switching capacity provides the switching fabric for the installed interfaces, while 38.7 Mpps forwarding at 64-byte packets defines the packet-processing ceiling. Static routing, RIPv1, RIPv2 and EIGRP Stub cover IP Base routed access; OSPF, BGPv4 and PBR require IP Services. WS-C3750G-24TS-S1U carries 128 MB DRAM and 32 MB flash for operation and software storage. Configurable limits of 12000 MAC addresses and 11000 unicast routes require an SDM template selected for the intended access or routing role. Management includes the Cisco IOS CLI, console access, Telnet, web setup, Cisco Network Assistant and CiscoWorks; SSH requires a cryptographic image, as does encrypted SNMPv3. RSTP and MSTP support spanning-tree control, while LACP supports link aggregation. 94W measured consumption at 100% throughput gives a full-traffic power reference rather than a PSU nameplate rating. Dedicated StackWise connections carry stacking traffic without using endpoint ports.
Specify WS-C3750G-24TS-S1U in new sealed or certified refurbished condition, with required unit quantities and accessories identified before submitting the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot and optics bay recognition; firmware is verified and configurations are wiped to factory default. ORM warranties are up to a 3-year extended term for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition, terms apply; Cisco's limited lifetime warranty and service ended January 31, 2018. Enterprise and volume orders accept POs, Net-30 for government and RMA with advance replacement, with regional stock and RMA across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | IP Base |
Port Configuration | 24 x 1G / 4 x 1G SFP |
Replaces | WS-C3750G-24TS-S / End of sale March 16, 2009 |
Lifecycle Status | Sale ended January 30, 2013 / Support ended January 31, 2018 |
Replacement PID | C9300-24T-A / WS-C3750X-24T-S discontinued / WS-C3850-24T-S discontinued. |
When an existing wiring closet stack needs another forwarding member, a single management IP address keeps the additional hardware within the same managed system. Treat the order as a stack extension rather than a standalone installation: confirm the existing image, master configuration and interconnect layout before issuing the PO.
When several branch configurations must retain common VLAN conventions, support for 1005 VLANs per switch or stack gives a defined configuration ceiling. Separate the required VLAN inventory from reserved identifiers and existing templates; specify the intended VLAN plan and configuration acceptance checks before placing the hardware order.
When a lab must reproduce Gigabit paths carrying large frames, the 9018-byte maximum Ethernet frame size provides a concrete test boundary. Keep bridging tests distinct from routing tests and match attached devices to the selected frame size; specify the staging configuration and required acceptance tests before ordering.
PoE power for connected endpoints
WS-C3750G-24TS-S1U provides no PoE output, so powered endpoints need separate power. C9300-24P-A offers 24 PoE+ ports with Network Advantage as a current-generation alternative.
Native 10G fiber uplinks
Fixed 1G SFP uplinks on WS-C3750G-24TS-S1U do not provide native 10G links. Faster transceivers do not change the built-in Gigabit interface speed.
Active Cisco hardware support
Cisco service for WS-C3750G-24TS-S1U ended January 31, 2018, excluding deployments that require current manufacturer support. C9300-24T-A is the current 24-port data successor.
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| WS-C3750G-24TS-S1U |  WS-C3750G-48PS-S |  WS-C3750G-24T-E |  WS-C3750G-24TS-E1U |  WS-C3750G-12S-S | |
|---|---|---|---|---|---|
| Depth | 378 mm | 409 mm | 326 mm | 378 mm | 326 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 32 MB | 32 MB | 16 MB | 32 MB | 16 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-24TS-S1U | WS-C3750G-48PS-S | WS-C3750G-24T-E | WS-C3750G-24TS-E1U | WS-C3750G-12S-S |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 94W at 100% throughput | 541W | 98W at 100% throughput | 94W | 100W at 100% throughput. |
| Switching Capacity | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps |
| Weight | 5.5 kg. | 7 kg | 4.6 kg. | 5.5 kg | 4.6 kg. |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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WS-C3750G-24TS-S1U identifies a Catalyst 3750G Gigabit switch: 24 specifies the copper access ports, TS corresponds to copper ports plus SFP uplinks, S selects IP Base, and 1U identifies the rack height. The resulting configuration has 24 10/100/1000 ports and four Gigabit SFP uplinks.
WS-C3750G-24TS-S1U supports Cisco IOS CLI through console or Telnet, SSH with a cryptographic image, web setup, Cisco Network Assistant and CiscoWorks management. SNMPv1, SNMPv2c and SNMPv3 provide monitoring interfaces. Confirm the installed image before requiring encrypted administration; SSH and encrypted SNMPv3 depend on cryptographic software.
WS-C3750G-24TS-S1U is discontinued: end of sale was January 30, 2013, and Cisco hardware support ended January 31, 2018. C9300-24T-A is the current successor after discontinued WS-C3750X-24T-S and WS-C3850-24T-S models. Hardware orders therefore need a support plan that does not assume active Cisco service for this legacy switch.
ORM Systems offers WS-C3750G-24TS-S1U new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on certified refurbished units. Every condition includes 30-day returns, terms apply. Cisco's original limited lifetime warranty and service ended January 31, 2018.
WS-C3750G-24TS-S1U ships with IP Base and supports the CD-3750G-EMI= upgrade to IP Services. IP Base includes static routing, RIP and EIGRP Stub; IP Services enables advanced dynamic routing and hardware-based IPv6 routing. Specify the required software image and upgrade entitlement independently of the hardware condition.
WS-C3750G-24TS-S1U replaces discontinued WS-C3750G-24TS-S, which reached end of sale March 16, 2009. The replacement reduces chassis height from 1.5U to 1U and increases flash from 16 MB to 32 MB. Both retain 24 copper Gigabit ports and four SFP uplinks; confirm the required chassis variant before ordering.
A Catalyst 3750G StackWise stack contains nine members with a 32 Gbps interconnect. CAB-STACK-50CM=, CAB-STACK-1M= and CAB-STACK-3M= provide interconnect lengths for different rack layouts. Cisco Catalyst 3750-E members are supported, and dedicated stacking interfaces preserve the copper access ports and SFP uplinks for network connections.
Cisco Catalyst 3750G-24TS-1U supports external backup power through PWR-RPS2300 or PWR675-AC-RPS-N1=, rather than a second internal power supply. The internal supply accepts 100-240V AC, while the redundant-power connection receives 12V DC. Match any existing backup system and its connector arrangement before specifying the hardware order.
WS-C3750G-24TS-S1U provides four fixed 1G SFP uplinks, not 10G SFP+ interfaces. GLC-SX-MM= supports SX connections, and GLC-LH-SM= supports LH connections. Match the chosen transceiver to fiber type, link reach and the remote interface before specifying the hardware and optics together on the purchase order.
Catalyst 3750G IP Base supports static routing, RIPv1, RIPv2 and EIGRP Stub for basic routed access. OSPF, BGPv4, full EIGRP and PBR require IP Services instead. The 11000-route platform ceiling is a configurable hardware scale figure, not permission to use protocols excluded by the installed software image.
WS-C3750G-24TS-S1U is non-PoE, whereas discontinued WS-C3750G-24PS-S supplies IEEE 802.3af PoE to connected endpoints. Both models are discontinued. The data-only version matches locally powered endpoints; the PoE version matches legacy powered-endpoint configurations. For a current 24-port powered refresh, C9300-24P-A is the PoE+ alternative.
WS-C3750G-24TS-S1U includes IP Base, while discontinued WS-C3750G-24TS-E1U includes IP Services with advanced dynamic routing. Both switches are discontinued. Legacy configurations using static routing, RIP or EIGRP Stub correspond to the S1U version; legacy configurations requiring OSPF, BGPv4 or hardware-based IPv6 dynamic routing correspond to the E1U version.
C9300-24T-A is the current-generation 24-port data successor, whereas WS-C3750G-24TS-S1U is discontinued and Cisco support ended January 31, 2018. The replacement chain passes through discontinued WS-C3750X-24T-S and WS-C3850-24T-S. Legacy sparing requires matching the existing Catalyst 3750G installation; current-generation refresh orders should specify the Catalyst 9300 successor.
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