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SG200-18
Cisco SG200-18 Small Business 200 16-Port Gigabit Switch, 2x...
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SG200-18 provides fanless Layer 2 Gigabit switching with 16 dedicated copper access ports and two fixed Gigabit combo connections. Each combo connection uses either its RJ-45 interface or its SFP slot, allowing copper or fiber connectivity without a removable uplink card. The Cisco Small Business 200 Series Smart Switches range targets basic business networks requiring configurable Ethernet access. This non-PoE configuration carries traffic for independently powered workstations, printers and other network devices; attached endpoints require their own power source. Its full-width 1U chassis accommodates standard rack installations. The discontinued SG200-26 increases dedicated copper connectivity to 24 ports. For an existing installation, distinguish the required access connections from the shared uplink connections before matching the replacement hardware to the network layout.
SG200-18 price for new stock is is available on request. Get immediate quote. SG200-18 refurb price is $148.72.
Request bulk order quote for SG200-18 for additional pricing. Browse the full Cisco 200 Series Smart Switches series or explore all Cisco products.
36 Gbps switching capacity serves the available Ethernet connections, while 26.78 Mpps forwarding performance specifies throughput using 64-byte packets. An 8000-entry MAC address table holds learned endpoint addresses. SG200-18 carries 128 MB of memory and 16 MB of flash, with a shared 4 MB packet buffer supporting packet processing across its ports. STP and RSTP control Layer 2 topology, while LACP groups Ethernet connections without changing their individual physical speeds. Four hardware queues support priority scheduling and Weighted Round Robin for traffic handling. The Cisco 200 Series Smart Switches firmware supports IPv4 and IPv6 host operation, with MLD snooping controlling delivery to IPv6 multicast receivers. Port authentication uses 802.1X with RADIUS, while MAC address locking provides another access control. Administrators configure the hardware through its web interface and use SNMP or RMON for monitoring. HTTP and TFTP support firmware transfers. Inter-VLAN communication requires a separate routing device rather than a routed-access license on this hardware.
SG200-18 is offered new sealed and certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units; returns are available for 30 days on every condition, and terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, optics bay recognition and PSU status; firmware is verified and configurations are wiped to factory default. Specify the condition, quantity and destination region on the purchase order. For enterprise and volume orders, POs are accepted, government orders qualify for Net-30, and UK, EU, US and MEA stock and RMA handling include advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 16 x 1G / 2 x 1G combo |
Max Power Draw | 22.9W at 220V AC |
Cooling | Fanless |
Replacement PID | C1200-16T-2G |
In a small-to-medium business office environment, the SG200-18-16 switch with 16 10/100/1000 ports and 2 combo mini-GBIC ports aggregates desktops, printers, and IP phones while providing dual fiber uplinks to the corporate data center. Benefit: Achieves resilient, high-bandwidth connectivity with VLAN segmentation and hardware redundancy, ensuring uninterrupted business operations.
Corporate and educational campuses deploy the SG200-18-16 10/100/1000 ports, 2 combo mini-GBIC ports switch to link remote buildings via fiber, using SFP modules for distances up to 10 km. Benefit: Delivers scalable, low-latency network expansion with centralized management, QoS prioritization, and advanced security across multiple sites.
In critical security deployments, the SG200-18-16 switch connects up to 16 HD IP cameras over its 10/100/1000 ports, isolates video traffic in a dedicated VLAN, and uses a combo mini-GBIC port for a fiber uplink to the NVR and monitoring station. Benefit: Ensures uninterrupted HD video streaming, robust network isolation for compliance, and streamlined centralized recording.
A branch rollout separating staff, guest and voice traffic needs a VLAN plan before hardware quantities are fixed. SG200-18 supports 128 active VLANs, with automatic voice VLAN assignment for telephone traffic. Identify the required segments, tagged connections and upstream routing responsibilities before specifying the switch quantity for each location.
A multi-site order requiring consistent configurations can use text-editable configuration files and DHCP options 66 and 67 for configuration delivery. SG200-18 allows configuration files to be prepared and transferred between switches. Agree on the configuration template, addressing process and staging responsibilities before assigning ordered units to individual sites.
A staging lab needing to inspect endpoint traffic can use port mirroring instead of adding a monitoring connection to every device. SG200-18 supports one mirroring session that copies traffic from four source ports to one destination port. Reserve the analyzer connection and confirm the intended capture sources before the purchase order.
Endpoint power over network cabling
SG200-18 has no PoE output. C1200-16P-2G provides a 16-port Gigabit PoE alternative with two 1G SFP uplinks; assess the required endpoint power budget separately.
Independent copper and fiber uplinks
SG200-18 shares each SFP connection with a copper combo interface, preventing simultaneous use of the paired interfaces. C1200-16T-2G provides 16 Gigabit access ports with two separate 1G SFP uplinks.
Ongoing manufacturer support for deployment
SG200-18 belongs to a retired series with Cisco support ended. C1200-16T-2G is the current migration endpoint; the intermediate replacement models are also discontinued.
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| SG200-18 |  SF200-48 |  SG200-26FP |  SF200-24 |  SG200-50 | |
|---|---|---|---|---|---|
| Depth | 202.82 mm | 15 inches | 11 inches | 257 mm | 257 mm |
| Ethernet Technology | Gigabit Ethernet | 10/100 | 10/100/1000 | Fast Ethernet | Gigabit Ethernet |
| Flash Memory | 16 MB | 32 MB | 32 MB | 16 MB | 16 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-mount | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44.32 mm | 1.75 inches | 1.75 inches | 44.32 mm | 44 mm |
| Manufacturer Part Number | SG200-18 | SF200-48 | SG200-26FP | SF200-24 | SG200-50 |
| Memory | 128 MB | 128 MB | 128 MB | 128 MB | 128 MB |
| Power Consumption | 22.9W | 34 W | 195W | 14.5W | 61.8W |
| SFP Ports | 2 x 1GbE (Combo, shared with RJ-45) | 4 SFP Ports | Combo | 2 x 1GbE (Combo, shared with RJ-45) | 2 x 1GbE (Combo, shared with RJ-45) |
| Switching Capacity | 36 Gbps | 9.6 Gbps | 32Gbps | 8.8 Gbps | 100 Gbps |
| Weight | 2.01 kg | 11 lbs | 8 lbs | 3.04 kg | 3.96 kg. |
| Width | 440.6 mm | 17.5 inches | 17 inches | 440 mm | 440 mm |
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New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
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Reviewed on the 26 January 2023
16-port gigabit switch with combo uplinks offers stable, professional-grade performance for small to medium offices.
Reviewed on the 3 April 2018
Durable, reliable switch with low-latency connectivity.
Reviewed on the 21 August 2026
Easy-to-manage and deploy with consistent performance.
Reviewed on the 12 November 2022
Efficient and professional-grade network switch for office needs.
Reviewed on the 29 March 2026
Reliable connectivity and stable throughput across all ports.
SG200-18 identifies a Gigabit smart switch in the Cisco Small Business 200 family, with 18 available Ethernet connections. The configuration comprises 16 dedicated copper ports plus two copper/SFP combo connections. The North American ordering PID is SLM2016T-NA, which distinguishes the regional ordering identity from the model name.
SG200-18 is configured through its HTTP browser-based interface, with an integrated dashboard for administration and monitoring. SNMP supports network monitoring, while RMON supplies traffic statistics. Firmware transfers use HTTP or TFTP. Prepare the management address and browser-access policy before connecting the hardware to the production network.
SG200-18 is discontinued and Cisco support has ended. Its North American ordering PID, SLM2016T-NA, first migrated to SG250-18-K9-NA; that discontinued model migrated to CBS250-16T-2G-NA, also discontinued. The current migration endpoint is C1200-16T-2G. Specify the endpoint when ongoing manufacturer support is a purchase requirement.
ORM Systems offers SG200-18 new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units. Returns are available for 30 days on every condition; terms apply. Cisco's original limited lifetime hardware warranty no longer provides support because the series is retired.
No, SG200-18 does not supply PoE to attached devices. Copper connections carry network traffic only, so phones, cameras and access points need another power source. C1200-16P-2G provides a 16-port Gigabit PoE alternative with two 1G SFP uplinks; confirm endpoint power requirements before specifying the replacement hardware.
MGBSX1 and MGBLX1 are Gigabit fiber transceiver options for SG200-18, serving multimode and single-mode fiber respectively. Specify the transceiver PID matching the installed fiber medium and remote interface. Each SFP slot shares a combo connection with an RJ-45 interface, so the paired interfaces cannot both carry traffic simultaneously.
No, Cisco Small Business 200 Series Smart Switches provide Layer 2 switching rather than inter-VLAN routing for SG200-18. VLAN-separated networks therefore need a separate router or routing-capable upstream device for communication between segments. IPv4 and IPv6 support concerns host and management functions, not a routed-access software tier.
SG200-18 occupies one rack unit in a full-width chassis measuring 440.6 mm wide, 44.32 mm high and 202.82 mm deep. The hardware weighs 2.01 kg and includes mounting hardware in its original package. Confirm the ordered unit's mounting hardware and rack clearance before allocating an installation position.
SG200-26 provides 24 dedicated Gigabit copper ports, while SG200-18 provides 16; both include two Gigabit combo connections. Both models are discontinued, so the comparison concerns matching existing installations rather than selecting a current-series replacement. SG200-18 suits the smaller connection count; SG200-26 suits installations requiring more dedicated copper connections.
SG200-26P supplies PoE on 12 ports from a shared 100W budget, whereas SG200-18 supplies no endpoint power. Both models are discontinued. SG200-18 fits replacement orders for independently powered endpoints; SG200-26P fits matching an existing powered-edge installation after its shared power budget is checked against the attached devices.
C1200-16T-2G provides two dedicated 1G SFP uplinks, whereas SG200-18 uses two copper/SFP combo connections. The current model follows two discontinued intermediate replacements. SG200-18 suits orders preserving an existing hardware configuration; C1200-16T-2G suits replacement plans requiring independent fiber uplinks rather than shared copper and fiber interfaces.
SG200-18 offers 36 Gbps switching capacity and a 26.78 Mpps forwarding rate measured with 64-byte packets. These figures describe different aspects of packet handling and should remain separate when comparing hardware. Use the published throughput figures alongside the intended connection layout when sizing a replacement order.
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