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WS-C3750E-48TD-S
Cisco WS-C3750E-48TD-S Catalyst 3750-E 48-Port Gigabit Switc...
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WS-C3750E-48TD-S is a managed Layer 3 enterprise access switch with 48 10/100/1000 RJ-45 ports, two fixed X2-based 10 Gigabit Ethernet uplinks, and IP Base software. The non-PoE configuration connects independently powered workstations and other wired endpoints rather than supplying endpoint power. Cisco Catalyst 3750-E uses a full-width 1U rack chassis for wiring closet installation. Built-in X2 interfaces define the uplink architecture; there is no empty network-card bay requiring an uplink card. The discontinued WS-C3750E-48PD-S is the closest powered sibling, adding PoE at the same access-port density. This stackable wiring closet switch belongs in existing-equipment evaluations where the buyer needs to match copper connection count, uplink format, and software features before choosing condition and accessories.
WS-C3750E-48TD-S price for new stock is is available on request. Get immediate quote. WS-C3750E-48TD-S refurb price is $114.28.
Request bulk order quote for WS-C3750E-48TD-S for additional pricing. Browse the full Cisco 3750E Catalyst Switches series or explore all Cisco products.
160 Gbps switching capacity sets the fabric ceiling for aggregate traffic planning, while 101.2 Mpps forwarding identifies packet-processing performance for this hardware. Static, RIPv1, RIPv2, RIPng and EIGRP Stub support routed access; full OSPF, BGPv4, IS-ISv4 and PBR require IP Services. The VLAN template allows 12000 MAC entries, whereas the routing template allows 11000 total unicast routes; these resource maxima belong to different templates. WS-C3750E-48TD-S carries 256 MB DRAM and 64 MB flash, separating working memory from image storage. A dedicated Ethernet management port and RS-232 console connection provide administrative access outside the endpoint ports. 149W measured consumption at 100% throughput gives a full-traffic reference for facility planning, rather than treating the C3K-PWR-265WAC supply rating as normal draw. The chassis uses a C3K-BLWR-60CFM= fan tray, so airflow and acoustic requirements belong in the installation check.
Order WS-C3750E-48TD-S in new sealed or certified refurbished condition, and specify the accessory set and software entitlement on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, C3K-PWR-265WAC status, C3K-BLWR-60CFM= status, and stack adapter negotiation; firmware is verified and configuration wiped to factory default. ORM Systems provides up to 3-year extended warranty for new units or up to 1 year for certified refurbished units, with 30-day returns on every condition; terms apply, while Cisco's original 90-day limited hardware and software warranty has ended and Cisco service ended January 31, 2018. Enterprise and volume purchases can use accepted POs, Net-30 for government, and RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | IP Base |
Port Configuration | 48 x 1G / 2 x 10G X2 uplinks |
Stacking | StackWise Plus / nine members / 64 Gbps |
Lifecycle Status | Cisco support ended January 31, 2018 |
Replacement PID | C9300-48T-A |
When an existing Cisco Catalyst 3750 stack needs another member, Catalyst 3750-E can join the older family through backward-compatible stacking. The master distributes its running Cisco IOS version and global configuration to new members. Record the existing member mix and software image, and verify additions against the stack configuration before issuing the PO.
When a lab must reproduce an existing large-frame configuration, Catalyst 3750-E supports 9216-byte jumbo frames on its Gigabit configurations. Treat frame size as an end-to-end staging requirement rather than a switch-only setting. Include the intended endpoint and uplink configuration in the acceptance plan, and specify the required accessories before ordering.
When a distributed estate needs replacement stock outside a single country, ORM Systems supports regional stock and RMA across the UK, EU, US and MEA. Build the purchase order around the required destination, condition and spare quantity, and confirm the regional RMA arrangement before committing the order.
Endpoint power over Ethernet
Non-PoE hardware cannot power attached endpoints. C9300-48P-A is the 48-port PoE+ migration endpoint for the discontinued powered branch; size endpoint loads before selecting the replacement configuration.
Two internal redundant power supplies
The chassis has one internal power supply slot. Redundancy requires an external PWR2300-AC-RPS-N1= system rather than a second internal module; specify external backup equipment separately.
Active Cisco service coverage
Cisco service ended January 31, 2018; changing hardware condition cannot restore coverage. C9300-48T-A is the migration endpoint for replacement purchases requiring a different hardware generation.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| WS-C3750E-48TD-S |  WS-C3750E-48PD-E |  WS-C3750E-48TD-E |  WS-C3750E-24TD-E |  WS-C3750E-48PD-SF | |
|---|---|---|---|---|---|
| Depth | 460 mm | 460 mm | 460 mm | 460 mm | 552 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44.5 mm | 44.5 mm | 44.5 mm | 44.5 mm | 44.5 mm |
| Manufacturer Part Number | WS-C3750E-48TD-S | WS-C3750E-48PD-E | WS-C3750E-48TD-E | WS-C3750E-24TD-E | WS-C3750E-48PD-SF |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Switching Capacity | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
| Weight | 8.6 kg | 8.75 kg. | 8.6 kg | 8.1 kg | 9.5 kg. |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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WS-C3750E-48TD-S identifies a Catalyst 3750-E configuration: WS-C3750E names the family, 48 specifies the access-port count, TD identifies data-only Gigabit access with two X2-based 10G uplinks, and S denotes IP Base. The complete configuration also includes C3K-PWR-265WAC and a 1U rack chassis; the suffix does not indicate PoE.
The Catalyst 3750-E supports console or Telnet CLI access, SSH with a cryptographic image, Cisco Network Assistant, CiscoWorks LMS, and SNMPv1, SNMPv2c or SNMPv3 management. SSH and cryptographic SNMPv3 require the appropriate software image, so specify that requirement before shipment rather than assuming every installed image provides encrypted administration.
WS-C3750E-48TD-S is discontinued: Cisco sales ended January 30, 2013, and the last date of support was January 31, 2018. Cisco service has ended. The direct replacement WS-C3750X-48T-S is also discontinued; the forward migration chain continues through discontinued WS-C3850-48T-S to C9300-48T-A.
ORM Systems offers WS-C3750E-48TD-S new sealed or certified refurbished, with up to 3-year extended warranty for new units or up to 1 year for certified refurbished units. Returns are 30 days on every condition; terms apply. Cisco's original 90-day limited hardware and software warranty has ended, and Cisco service ended January 31, 2018.
WS-C3750E-48TD-S includes IP Base, with an IP Services upgrade path through Cisco IOS Software Activation using 3750E48-IPSLCB-QTY for the 48-port upgrade. Used-equipment relicensing uses LL-3750E-IPB= for IP Base or LL-3750E-IPS= for IP Services. Confirm licensed features and entitlement with the hardware order; bench testing does not establish software rights.
Catalyst 3750-E uplinks use X2 transceivers for 10Gbps connections; CVR-X2-SFP converts each X2 interface into two 1Gbps SFP ports. Compatible 10G options include X2-10GB-SR= and X2-10GB-LR=. Select optics for the link's fiber and reach, and confirm whether the required transceivers or converters are included in the quote.
StackWise Plus stacks nine Catalyst 3750-E members and provides 64 Gbps stack throughput. Supported cable options are CAB-STACK-50CM=, CAB-STACK-1M= and CAB-STACK-3M=. Select lengths for the physical rack layout, confirm the existing member mix, and verify that all required stack connections are included in the purchase order.
Yes, WS-C3750E-48TD-S supports Layer 3 routing with Static, RIPv1, RIPv2, RIPng and EIGRP Stub in the IP Base configuration. Full OSPF, EIGRP, BGPv4 and IS-ISv4 require IP Services, as does PBR. Specify the required routing role and check the license before using the unit as a routed edge.
No, WS-C3750E-48TD-S ships with C3K-PWR-265WAC and has one internal power supply slot, so a second internal redundant PSU cannot be fitted. External backup uses PWR2300-AC-RPS-N1=, not another internal bay. Confirm the backup system and required connection accessories separately when preparing the order.
WS-C3750E-48TD-S provides no endpoint power, whereas the discontinued WS-C3750E-48PD-S provides PoE on its access ports. Both retain the same access-port density, so this difference does not require a port-count trade-off. The data-only model serves independently powered endpoints; the powered sibling addresses legacy PoE requirements within an existing equipment estate.
WS-C3750E-48TD-S ships with IP Base, while the discontinued WS-C3750E-48TD-E ships with IP Services. IP Services adds full OSPF, EIGRP, BGPv4, IS-ISv4 and PBR beyond the base configuration. IP Base serves limited routed access; the legacy IP Services variant suits existing deployments already requiring those advanced protocols.
WS-C3750E-48TD-S has ended Cisco support, while C9300-48T-A is the replacement reached after discontinued WS-C3750X-48T-S and discontinued WS-C3850-48T-S. The older model suits like-for-like spares in existing estates; C9300-48T-A serves buyers moving to the successor generation rather than retaining the original hardware and its ended service eligibility.
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