Cisco CBS250 Smart 48-port GE, PoE, 4x1G SFP

The Cisco Business 250 Series offers reliable, cost-effective smart switching with 48 1G ports, 4 1G SFP uplinks, and 195W PoE+ power. It supports Layer 2 switching, VLANs, STP, ACLs, QoS, and static Layer 3 routing. Manage via on-device UI, mobile app, or Cisco Business Dashboard for flexible network control.

SKU: CBS250-48P-4G-UK Category:

Product Overview

Device Type: 48-Port Smart L3 Gigabit Ethernet Switch
Enclosure: Rack-mountable
Ports: 48 x 10/100/1000 (PoE+), 4 x 1G SFP
PoE Support: PoE+ with a total power budget of 370W
Switching Capacity: 104 Gbps
Forwarding Rate: 77.38 Mpps (64-byte packets)
MAC Table Size: 8,000 entries
Jumbo Frame Support: 2 KB
Buffer Memory: 3 MB
VLANs Supported: 4,094
Link Aggregation Groups: 8

Routing & Protocols

  • Layer 3 routing: IGMP, CIDR, Policy-Based Routing (PBR)
  • Remote Management: SNMP (v1/v2c/v3), RMON, SSH, ICMP
  • Encryption: SSL
  • Authentication: SSH, RADIUS, TACACS+

Advanced Features

Includes support for:

  • DHCP, VLANs, ACLs
  • Spanning Tree (STP/MSTP/PVST+), Root Guard, Loop Guard
  • QoS, DoS prevention, Storm Control
  • Dynamic ARP Inspection (DAI), IP Source Guard, Private VLAN
  • LLDP-MED, Secure Core Technology (SCT), IP/MAC/Port Binding
  • Secure Sensitive Data (SSD), Multicast VLAN Registration (MVR)
  • GVRP, WRR, UDLD, BPDU Guard
  • Support for multiple TPIDs, ISATAP tunneling

Hardware & Performance

  • Processor: ARM 800 MHz
  • RAM: 512 MB
  • Flash: 256 MB
  • LEDs: Status, Link/Activity

Connectivity Options

  • 48 x RJ-45 10/100/1000 PoE+
  • 4 x 1G SFP
  • 1 x Console USB Type-B
  • 1 x USB Type-A
  • 1 x Console RJ-45

Power

  • Internal Power Supply
  • Input Voltage: 100–240V AC, 50/60 Hz

Dimensions & Weight

  • Width: 44.5 cm
  • Depth: 35 cm
  • Height: 4.4 cm
  • Weight: 5.43 kg

Environmental Specifications

  • Operating Temperature: -5°C to 50°C
  • Storage Temperature: -25°C to 70°C
  • Operating Humidity: 10%–90% (non-condensing)
  • Storage Humidity: 10%–90% (non-condensing)

Compliance & Reliability

  • MTBF: 856,329 hours
  • Certifications: UL 60950, CSA C22.2, FCC CFR47, USGv6
  • Rack Mount Kit: Included