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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

  • FormatDesktop
  • Network Management TypeManaged
  • Primary Ports48 x RJ45 + 4 x SFP+
  • Primary Port Speed10/100/1000Mbps + 10 Gbps
  • Primary Port Type48 x 10/100/1000 ports 4 x 10 Gigabit SFP+
  • MAC Address Table8K
  • 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.

Highlights

  • 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

Specifications

BrandCISCO
ModelCBS250-48T-4X-NA
FormatDesktop
Network Management TypeManaged
Primary Ports48 x RJ45 + 4 x SFP+
Primary Port Speed10/100/1000Mbps + 10 Gbps
Primary Port Type48 x 10/100/1000 ports
4 x 10 Gigabit SFP+
MAC Address Table8K
Jumbo Frames9000 bytes
Buffer Memory3 MB
PoENo
CablingUnshielded Twisted Pair (UTP) Category 5e or better for 1000BASE-T
LEDsSystem, Link/Act, PoE, Speed
ButtonReset button
PowerSystem power consumption
110V=51.01W
220V=50.58W
Dimensions17.50" x 10.73" x 1.73"
Weight8.71 lbs.
Shipping weight5.90 kg
Package size508 × 381 × 127 mm

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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