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Cisco Business CBS110-24PP Unmanaged Switch: specs and who it suits
A fanless 24-port Gigabit unmanaged switch with 12 PoE ports on a 100W allowance and two shared SFP slots. What the specs mean for a small network.
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The Cisco Business CBS110-24PP is an unmanaged network switch with 24 Gigabit Ethernet ports. It lets many wired devices share one network, and it can power some of them, such as IP cameras and wireless access points, through Power over Ethernet. Cisco describes the 110 Series as plug-and-play, entry-level switches for small business networks.
What an unmanaged switch means
A switch connects wired devices on a local network. An unmanaged switch has no configuration interface: you plug it in, connect devices and it works. Cisco says it needs no IT know-how or support. The trade-off is that features like VLANs and detailed traffic controls, found on managed switches, aren't available.
Ports and uplinks
The listing gives 24 ports at 10/100/1000 Mbps, plus two 1GE SFP slots, which are shared. "Shared" generally means each SFP slot works in place of one of the copper ports, so you can't use every port at once. SFP slots take modules for fibre or copper links, which suits connecting to another switch over a longer distance.
Power over Ethernet
PoE sends power and data over one Ethernet cable. This model has 12 PoE ports with a 100W total power allowance. That allowance is shared across all powered devices, so the number of devices you can run depends on what each draws. For example, a few cameras and access points are likely to fit, but check each device's rated power. "Partial PoE" in the name refers to PoE on only some of the ports.
Traffic handling and efficiency
Cisco says integrated quality-of-service (QoS) intelligence prioritises delay-sensitive traffic, such as voice and video. The switch also complies with IEEE 802.3az Energy Efficient Ethernet, which Cisco says optimises power usage to lower operational cost.
Fanless design
Cisco states that it's fanless in all models. With no fan, it runs silently, which suits spaces like classrooms and open-plan offices. Cisco describes the compact design as ideal for installation outside a wiring closet, including retail stores. Even so, it needs ventilation around it, as the manual describes.
Size and warranty
It measures 17.3 x 8.0 x 1.7 inches (about 44 x 20 x 4.3 cm). The listing says it comes with a limited-lifetime warranty with return-to-factory replacement and one year of technical support. Read the terms for what they cover.
Who it suits
It suits small offices, shops, classrooms and homes with a lot of wired devices and a few PoE devices, and anyone who wants a switch with no setup.
What to check before you buy
- PoE needs: add up the power each device draws and compare it with the 100W allowance and the 12 PoE ports.
- Port count: confirm 24 copper ports (or 23 if using an SFP slot) are enough.
- Features: decide whether you need VLANs or monitoring, which need a managed switch.
- SFP modules: check compatibility for any modules you plan to use.
- Mounting: confirm how you'll place it, on a shelf or in a rack.
- Cabling: use suitable Ethernet cable for PoE devices.
The short version
- A fanless, unmanaged 24-port Gigabit switch.
- Twelve PoE ports share a 100W total power allowance.
- Two 1GE SFP slots, shared with copper ports.
- QoS and IEEE 802.3az Energy Efficient Ethernet support.
- Limited-lifetime warranty with one year of technical support.
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