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WS-C3750G-48PS-S
Cisco WS-C3750G-48PS-S Catalyst 3750G 48-Port Gigabit PoE Sw...
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WS-C3750G-48PS-S is a Layer 3 enterprise access switch with 48 Gigabit RJ-45 PoE ports and four fixed 1G SFP uplinks. This 1U rack-mount model belongs to the Catalyst 3750G line and ships with IP Base for wired clients, Cisco IP phones, wireless access points and 802.3af-powered devices. The Cisco Catalyst 3750 Series supports StackWise operation, joining nine members under one management address for shared configuration and administration. WS-C3750G-48TS-S is the discontinued non-PoE sibling for endpoints powered elsewhere. Backup power uses the external PWR-RPS2300 or PWR675-AC-RPS-N1= rather than a second internal supply. Select this configuration for existing Gigabit access requirements, not removable uplink-card expansion.
WS-C3750G-48PS-S price for new stock is is available on request. Get immediate quote. WS-C3750G-48PS-S refurb price is $156.43.
Request bulk order quote for WS-C3750G-48PS-S for additional pricing. Browse the full Cisco Catalyst 3750G Switches series or explore all Cisco products.
32 Gbps switching capacity carries switched traffic through the fabric, while 38.7 Mpps forwarding applies to 64-byte packets. 370W of shared PoE output requires endpoint allocations to remain within the aggregate budget rather than assuming maximum power on every port. Static routing, RIPv1, RIPv2 and EIGRP Stub cover the included routing functions; OSPF and BGP are not included. WS-C3750G-48PS-S uses 128 MB DRAM and 32 MB flash for running software and storing the image. Configurable ceilings reach 12000 MAC entries and 11000 unicast routes, with software feature entitlement remaining separate from hardware scale. Console and Telnet provide CLI access, while SSH and encrypted SNMPv3 require a cryptographic image. Browser-based Cisco Network Assistant and CiscoWorks provide additional management paths. 541W measured consumption at full traffic and maximum PoE load provides a facility-planning reference, not an idle-power expectation.
WS-C3750G-48PS-S is available new sealed or certified refurbished; specify condition, quantities and accessory PIDs on the PO. 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 and optics bay recognition. ORM offers new units up to a 3-year extended warranty and certified refurbished units up to 1 year, with 30-day returns on every condition; terms apply, while Cisco's limited lifetime warranty ended January 31, 2018. POs are accepted; government orders receive Net-30, and enterprise volume orders can use UK, EU, US and MEA regional stock/RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
License Tier | IP Base |
Port Configuration | 48 x 1GbE PoE / 4 x 1G SFP |
PoE Budget | 370W shared |
Stacking | StackWise / 9 members / 32 Gbps |
Lifecycle Status | Cisco support ended January 31 2018 |
Replacement PID | C9300-48P-A / WS-C3750X-48P-S discontinued |
When adding WS-C3750G-48PS-S to an existing StackWise installation, interconnect length becomes a separate purchase decision. CAB-STACK-50CM= covers 500 mm, CAB-STACK-1M= covers 1000 mm, and CAB-STACK-3M= covers 3000 mm. Measure the actual rack-to-rack path and specify the required cable PIDs and quantities before the PO.
When additional VLANs need routed interfaces, WS-C3750G-48PS-S requires an interface-scale check before purchase. The recommended allocation is 128 SVIs, with a maximum of 1000 depending on route and multicast entries. List the required interfaces and check the combined resource allocation before specifying the order.
When a lab must reproduce large-frame Gigabit traffic before a change, WS-C3750G-48PS-S supports a 9000-byte MTU and 9018-byte Ethernet frames for bridging. Include endpoint and uplink packet sizes in the test plan, then specify the intended frame-size configuration and staging requirements with the order.
PoE+ power for connected endpoints
WS-C3750G-48PS-S supplies 802.3af PoE, not PoE+. C9300-48P-A offers 48 PoE+ ports and is the current migration endpoint for buyers needing the higher power class.
Modular uplinks for later expansion
WS-C3750G-48PS-S has four fixed Gigabit SFP uplinks and no removable uplink-card bay. C9300-48P-A has modular uplinks, requiring a different switch rather than a card upgrade.
OSPF or BGP with included software
The included IP Base image excludes OSPF and BGP. Advanced unicast routing requires the IP Services image instead, so specify the upgraded entitlement before deployment.
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| WS-C3750G-48PS-S |  WS-C3750G-24T-E |  WS-C3750G-24PS-E |  WS-C3750G-24TS-S |  WS-C3750G-12S-E | |
|---|---|---|---|---|---|
| Depth | 409 mm | 326 mm | 378 mm | 295 mm | 326 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 32 MB | 16 MB | 32 MB | 16 MB | 16 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 2U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 66 mm | 44 mm |
| Manufacturer Part Number | WS-C3750G-48PS-S | WS-C3750G-24T-E | WS-C3750G-24PS-E | WS-C3750G-24TS-S | WS-C3750G-12S-E |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 541W | 98W at 100% throughput | 492W | 190W | 100W at 100% throughput |
| Switching Capacity | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps | 32 Gbps |
| Weight | 7 kg | 4.6 kg. | 6.1 kg. | 5.7 kg | 4.6 kg. |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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The WS-C3750G prefix identifies the Gigabit member of the Catalyst 3750 family, 48 identifies the access-port count, PS identifies PoE with SFP uplinks, and the final S identifies IP Base in WS-C3750G-48PS-S. The complete configuration has 48 copper access ports and four Gigabit SFP uplinks, rather than the IP Services image.
WS-C3750G-48PS-S is managed through the console CLI, Telnet, SSH with a cryptographic image, browser-based Cisco Network Assistant, browser setup, and CiscoWorks using SNMPv1, SNMPv2c or SNMPv3. SSH and encrypted SNMPv3 require the cryptographic software image. A physical stack shares one management IP address for configuration and administration.
Yes, WS-C3750G-48PS-S is discontinued, with end-of-sale on January 30, 2013 and last support on January 31, 2018. The original replacement, WS-C3750X-48P-S, is also discontinued, followed by the discontinued WS-C3850-48P-S. The current migration chain ends at C9300-48P-A rather than either retired intermediate model.
ORM Systems offers WS-C3750G-48PS-S new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Returns are accepted for 30 days on every condition; terms apply. Cisco's original limited lifetime warranty ended with manufacturer support on January 31, 2018, so ORM's warranty covers the order.
WS-C3750G-48PS-S includes IP Base, while CD-3750G-48EMI= is the IP Services image upgrade for the 48-port Gigabit models. IP Base provides static routing, RIP and EIGRP Stub. IP Services adds advanced unicast routing, hardware-based IPv6 dynamic routing and multicast routing, so the required image entitlement must match the intended deployment.
WS-C3750G-48PS-S provides a shared 370W PoE budget across 48 powered access ports, with 15.4W maximum per port. The supported allocations include 24 ports at 15.4W or 48 ports at 7.7W. All 48 endpoints cannot draw their per-port maximum simultaneously, so size the endpoint mix against the shared allocation.
The 48-port Gigabit PoE switch WS-C3750G-48PS-S accepts GLC-SX-MM= SX and GLC-LH-SM= LH transceivers in its four 1G SFP uplinks. Fiber selection must match the transceiver type and link design. These are fixed Gigabit interfaces, so higher uplink speeds require a different switch rather than an uplink-card change.
A Catalyst 3750G StackWise stack supports nine members and uses a 32 Gbps interconnect. CAB-STACK-50CM=, CAB-STACK-1M= and CAB-STACK-3M= cover 500 mm, 1000 mm and 3000 mm runs, respectively. Match cable lengths to the rack layout and keep member software versions consistent with the operating stack.
No, WS-C3750G-48PS-S does not include OSPF or BGP with IP Base; the included routing functions are static routing, RIPv1, RIPv2 and EIGRP Stub. OSPF and BGP require IP Services. The 11000-route hardware ceiling does not change which routing protocols the installed software image permits.
WS-C3750G-48PS-S consumes a measured 541W under full throughput with maximum PoE loading, while its internal power supply has a 590W rated maximum. The 541W figure includes endpoint power rather than only the unloaded chassis. Treat measured consumption as a planning reference, not a guaranteed continuous draw.
Yes, the 48-port Gigabit PoE switch WS-C3750G-48PS-S occupies 1U and measures 44 mm high, 445 mm wide and 409 mm deep. Weight is 7 kg, and operating temperature is 0°C to 45°C. Confirm rack clearance and equipment-room operating conditions before specifying the installation.
WS-C3750G-48PS-S supplies PoE to connected endpoints, whereas WS-C3750G-48TS-S is non-PoE. Both discontinued models have 48 Gigabit access ports, four Gigabit SFP uplinks and IP Base. The powered model suits legacy phones or access points needing switch power; the non-PoE sibling suits externally powered endpoints.
WS-C3750G-48PS-S includes IP Base, whereas WS-C3750G-48PS-E includes IP Services with advanced routing features. Both legacy variants are discontinued. IP Base suits static, RIP or EIGRP Stub requirements; the IP Services variant suits deployments requiring advanced unicast routing, IPv6 dynamic routing or multicast routing without an image upgrade.
C9300-48P-A has modular uplinks, whereas WS-C3750G-48PS-S has four fixed 1G SFP uplinks. The legacy switch cannot change uplink architecture by adding a removable card. Buyers retaining fixed Gigabit connections can use the discontinued model for existing requirements; buyers needing interchangeable uplink hardware should specify the current C9300-48P-A.
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