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CBS350-48FP-4X-UK
Cisco CBS350-48FP-4X-UK Business 350 48-Port Gigabit PoE+ Sw...
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CBS350-48FP-4X-UK is a managed Layer 2+ small-business switch with 48 Gigabit copper access ports, PoE+ endpoint power and four fixed 10G SFP+ uplinks. The Business 350 chassis occupies one rack unit and connects office computers alongside powered phones, wireless access points and surveillance cameras. The discontinued CBS350-48P-4X-UK retains the same access-port and uplink layout but allocates 370W to endpoint power. Within the Cisco Business line, this configuration handles office data, voice and video traffic, with guest VLAN and private VLAN functions available to separate guest connections from employee resources.
CBS350-48FP-4X-UK price is is available on request. Get immediate quote.
Request bulk order quote for CBS350-48FP-4X-UK for additional pricing. Browse the full Cisco CBS350 Business Switches series or explore all Cisco products.
176 Gbps switching capacity carries traffic between access and uplink interfaces through a nonblocking switching fabric. 130.94 Mpps forwarding processes 64-byte packets at wire speed. 740W of shared PoE capacity requires endpoint demand to be allocated across the powered ports rather than assuming unrestricted simultaneous draw. Static routing, RIP v2 and PBR provide local routing functions rather than a full enterprise dynamic-routing feature set. CBS350-48FP-4X-UK uses 512 MB DRAM and 256 MB flash for runtime processing and image storage. A 3 MB packet buffer is dynamically shared across the ports. LACP combines physical links, while STP, RSTP and MSTP control switching loops. Browser management, Textview CLI, Cisco Business Dashboard and the Cisco Business mobile app provide configuration paths, with SNMP available for network-management integration. Dual images support firmware maintenance, and upgrades can use HTTP/HTTPS, TFTP or SCP over SSH. 889.35W worst-case consumption including PoE sets the maximum published load to consider when allocating AC power.
ORM Systems supplies CBS350-48FP-4X-UK in new sealed and certified refurbished condition; refurbished units are inspected and bench-tested for power-on, POST, clean boot, rated-speed links on every port, PoE output under load on every powered port and optics bay recognition, with firmware verified and configurations wiped to factory default. New units carry up to a 3-year extended warranty, certified refurbished units carry up to 1 year, and every condition includes 30-day returns; terms apply. Specify this switch's condition, destination region and required quantity on the purchase order. POs are accepted, with Net-30 for government and RMA with advance replacement for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 1G PoE+ / 4 x 10G SFP+ |
PoE Budget | 740W shared |
Stacking | Hardware stacking / 4 members |
Replaces | SG350X-48MP-K9-UK (October 30, 2021) / SG550X-48MP-K9-UK (July 30, 2022) |
Lifecycle Status | End of sale October 29, 2024 |
Replacement PID | C1300-48FP-4X |
When a powered endpoint rollout shares the rack's AC allocation, distinguish endpoint power from wall draw. The full-load consumption figure at 220V is 865.02W, including PoE. List the intended powered devices and their demands, then size the rack circuit allocation before issuing the PO.
When a branch refresh changes gateway placement, assess interface scale before choosing hardware. The switch supports 128 IP interfaces, with interfaces assignable to physical ports, link aggregation groups, VLANs or loopbacks. Prepare the interface plan and verify its count before adding the switch to the PO.
When a repeatable configuration is being validated before a multi-site rollout, include access-control rules in the staging plan. The switch supports 1024 ACL rules applied on ingress or egress, including time-based rules. Prepare the rule set and verify its size before specifying the batch quantity on the PO.
Multigigabit copper access for endpoints
The fixed copper access interfaces support 10/100/1000 Ethernet, not multigigabit access. The faster SFP+ interfaces are uplinks and do not increase endpoint copper speeds.
Fanless operation in occupied rooms
The chassis uses one fan and has an acoustic level of 48.7 dBA at 25°C. Fanless operation is not available on this hardware configuration.
Continuing software and security fixes
Software maintenance and vulnerability support ended October 29, 2025. C1300-48FP-4X is the current replacement, retaining 48 Gigabit access ports and four 10G SFP+ uplinks.
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| CBS350-48FP-4X-UK |  CBS350-12XS |  CBS350-8XT-NA |  CBS350-48T-4X-EU |  CBS350-48NGP-4X-NA | |
|---|---|---|---|---|---|
| Depth | 350 mm | 257 mm | 203 mm | 288 mm | 350 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 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 | CBS350-48FP-4X-UK | CBS350-12XS | CBS350-8XT-NA | CBS350-48T-4X-EU | CBS350-48NGP-4X-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 889.35W | 25.3W | 50.3W | 51.01W | 916W |
| Switching Capacity | 176 Gbps | 240 Gbps | 160 Gbps | 176 Gbps | 240 Gbps |
| Weight | 5.82 kg | 3.42 kg | 2.98 kg | 3.95 kg. | 5.95 kg. |
| Width | 445 mm | 440 mm | 440 mm | 445 mm | 440 mm |
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CBS350-48FP-4X-UK identifies a Cisco Business 350 managed switch with 48 Gigabit PoE+ ports, a 740W budget and four 10G SFP+ uplinks. CBS350 identifies the series; 48 is the access-port count; FP selects the full-PoE configuration; 4X identifies the uplinks; UK is the regional ordering suffix, not a license tier.
Cisco Business 350 switches support an HTTP/HTTPS web interface, CLI through the console or SSH/Telnet, Cisco Business Dashboard, the Cisco Business mobile app and SNMP. The browser interface offers simple and advanced modes, while Textview CLI supports scripting. An embedded Dashboard probe runs on the switch.
CBS350-48FP-4X-UK provides a 740W shared PoE budget across 48 PoE+ access ports. The allocation is shared across powered endpoints rather than a guarantee that every connected device can draw maximum power simultaneously. Sum endpoint power requirements before selecting the connected device mix and its power allocation.
CBS350-48FP-4X-UK supports SFP-10G-SR for multimode fiber and SFP-10G-LR for single-mode fiber, with SFP-10G-LR supporting 10 km links. SFP-10G-SR distance depends on the multimode fiber used. Select the optic against the installed fiber type, link distance and matching interface at the other end.
Yes, CBS350-48FP-4X-UK supports hardware stacking with four members using 10G fiber interfaces. The stack operates as a single managed system and supports ring or chain arrangements, active and standby stack control, and link aggregation across members. Include stack interconnect requirements when planning the available uplink interfaces.
CBS350-48FP-4X-UK supports Static routing, RIP v2 and PBR, with IPv4 and IPv6 routing capabilities. IPv4 static routing supports 990 static routes. PBR directs packets to different next hops using IPv4 or IPv6 ACLs; RIP v2 provides the dynamic-routing option within this feature set.
No, CBS350-48FP-4X-UK uses an internal universal AC power supply accepting 100-240V AC at 50-60 Hz. An external adapter is not required for this configuration. The UK suffix identifies its regional ordering variant, so confirm the destination's power-cord requirements when specifying the order.
CBS350-48FP-4X-UK occupies one rack unit and measures 445 mm wide, 350 mm deep and 44 mm high, with a weight of 5.82 kg. The chassis uses one fan and operates from -5°C to 50°C. Verify rack depth, equipment loading and ventilation before installation.
CBS350-48FP-4X-UK replaces the discontinued SG350X-48MP-K9-UK and SG550X-48MP-K9-UK. Their end-of-sale dates were October 30, 2021, and July 30, 2022, respectively. The replacement configuration provides 48 Gigabit powered access ports and four 10G SFP+ uplinks; an upgrade still requires checking the existing configuration and interconnects.
CBS350-48FP-4X-UK is discontinued, with an end-of-sale date of October 29, 2024, and C1300-48FP-4X as its replacement. Software maintenance and vulnerability support ended October 29, 2025. Applicable contracted or warranty support ends October 31, 2029; continuing service entitlement does not extend the software-fix milestones.
ORM Systems offers CBS350-48FP-4X-UK new sealed or certified refurbished, with new-unit extended warranties up to 3 years or refurbished warranties up to 1 year. Every condition has 30-day returns; terms apply. Cisco's separate limited lifetime hardware warranty includes next-business-day advance replacement where available, bounded by the October 31, 2029 last support date.
CBS350-48FP-4X-UK has a 740W PoE budget, whereas CBS350-48P-4X-UK has 370W. Both discontinued models retain 48 Gigabit access ports and four 10G SFP+ uplinks. The full-PoE configuration suits existing installations with greater aggregate endpoint demand; the lower-budget configuration suits an installed device mix requiring less allocated power.
CBS350-48FP-4X-UK carries four 10G SFP+ uplinks, while CBS350-48FP-4G-UK carries four 1G SFP uplinks. Both models are discontinued. The 4X configuration matches existing installations requiring 10G distribution links; the 4G configuration matches installations retaining 1G fiber uplinks. Match the uplink interface to the installed peer equipment.
C1300-48FP-4X is the current successor, while CBS350-48FP-4X-UK is discontinued. Both switches have 48 Gigabit powered access ports and four 10G SFP+ uplinks. The older configuration serves buyers maintaining an existing Business 350 installation; the Catalyst 1300 configuration serves buyers specifying the current replacement for a hardware refresh.
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