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Silver rectangular desktop network switch with 48 RJ45 ports and four SFP+ uplinks

Cisco Systems, Inc.

Cisco Systems, Inc. CBS250-48T-4X-NA network switch 48-port 4x SFP+

SKU CH-ECVM-34V58 MPN CBS250-48T-4X-NA

Managed desktop switch with 48 Gigabit RJ45 ports and four 10 Gbps SFP+ uplinks, 8K MAC table and 3 MB buffer

  • Product formatDesktop
  • Management typeManaged
  • Main ports48 x RJ45 + 4 x SFP+
  • Main port speed10/100/1000 Mbit/s + 10 Gbit/s
  • Main port type48 × 10/100/1000 ports 4 × 10 Gigabit SFP+
  • MAC table size8K
  • Managed switching simplifies network control
  • 48 Gigabit RJ45 ports connect many devices
  • Four 10 Gbps SFP+ uplinks boost backbone speed
  • 9000-byte jumbo frames move large packets efficiently
  • 3 MB buffer absorbs traffic bursts

Cisco CBS250 48-Port Managed Switch

The Cisco CBS250-48T-4X-NA is a managed desktop switch with 48 RJ45 ports running at 10/100/1000 Mbps and four 10 Gbps SFP+ uplinks. It provides an 8K MAC address table and 3 MB of buffer memory for small-to-mid-sized business networks.

Suits offices needing Layer 2 management without PoE

This model fits environments that require VLANs, QoS and trunking on copper with high-speed fibre uplinks. It is not for deployments that need Power over Ethernet for phones or cameras, nor for buyers who require a rack-mount chassis or stacking capability.

Handles 48 gigabit endpoints plus 10 G uplinks

The 48 copper ports comfortably serve workstations, printers and access points at full gigabit line rate. The four SFP+ slots give 10 Gbps aggregation to core switches or servers. Buffer depth of 3 MB and jumbo frame support up to 9000 bytes handle bursty traffic, while the 8K MAC table caps the number of directly learned devices.

How it compares

Measured against everything we stock in Ethernet & PoE Switches, at today’s prices. Recalculated every night.

Price $826.99
Pricier than about 61% of the 2,759 comparable items (median $482.99).

Specifications

Product
Brand nameCISCO
Model nameCBS250-48T-4X-NA
Memory
Buffer size3 MB
Connectivity
Management typeManaged
Main port speed10/100/1000 Mbit/s + 10 Gbit/s
MAC table size8K
Jumbo frame support9000 bytes
Ports & slots
Main ports48 x RJ45 + 4 x SFP+
Main port type48 × 10/100/1000 ports
4 × 10 Gigabit SFP+
Network cablingUnshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T
Power
Power over EthernetNo
Power detailsSystem power consumption
110 V=51.01 W
220 V=50.58 W
Size & build
Product dimensions17.5 in × 10.73 in × 1.73 in
Product weight8.71 lb (3.95 kg)
Shipping weight5.90 kg
Package size508 × 381 × 127 mm
More details
Product formatDesktop
Indicator lightsSystem, Link/Act, PoE, Speed
Control buttonsReset button

Questions about this item

What type of Ethernet cables do I need for the 48 RJ45 ports to reach 1000 Mbps?

Use unshielded twisted pair Category 5e or better for 1000BASE-T operation on the 48 copper ports.

Can I connect my existing 10/100 Mbps devices to the 48 RJ45 ports?

Yes, the 48 ports auto-negotiate at 10/100/1000 Mbps so legacy 10/100 devices will link at their rated speed.

Which front-panel LEDs confirm the switch is powered and passing traffic?

The System LED shows power status and each port’s Link/Act LED flashes when a link is up and data is moving.

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