| Product Type | Smart Layer 3 Switch |
| Form Factor | Rack-mountable |
| Device Type | Switch - 48 ports - L3 - smart |
| Processor | X ARM: 800 MHz |
| RAM | 512 MB |
| Flash Memory | 256 MB |
| Power Supply | Internal power supply |
| Voltage Required | AC 120/230 V (50/60 Hz) |
| PoE Support | PoE+ |
| PoE Budget | 370 W |
| Switching Capacity | 176 Gbps |
| Forwarding Rate | 130.94 Mpps |
| MAC Address Table Size | 8K entries |
| Jumbo Frame Support | 2KB |
| MTBF | 856,329 hours |
Cisco CBS250-48P-4XNA-RF 48-Port PoE+ Smart Switch, Remanufactured

Key Benefits
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- Delivers enterprise-level features such as ACLs, VLAN support, and routing at a cost-effective price point for SMBs
- High PoE+ port count and power capacity support dense device deployments without additional power infrastructure
- Remanufactured unit with limited lifetime warranty offers long-term value and reliable network investment
Product Overview
The Cisco CBS250-48P-4XNA-RF is a smart Layer 3 switch offering 48 PoE+ Gigabit ports and a 370W PoE budget, enabling power and data delivery over a single cable. It includes 4 SFP+ uplinks for high-speed connectivity and features advanced Layer 2/3 functionalities such as VLANs, routing protocols, and security management like 802.1X and RADIUS.
With a 176 Gbps switching capacity, 130.94 Mpps forwarding rate, and durable design, this switch is equipped for high-performance network demands. Built-in features like storm control, DHCP snooping, and loop guard enhance reliability and network protection. The unit is rack-mountable and delivered with the necessary mounting kit. As a remanufactured model, it offers an excellent price-to-performance ratio backed by Cisco's limited lifetime warranty.
Specifications
Product Overview
Advanced Security Features
| Authentication Methods | Secure Shell (SSH), RADIUS, TACACS+ |
| Encryption Algorithm | SSL |
| Security Features | DoS attack prevention, DHCP snooping, DAI, IP source guard, ACL, STP loop guard, Private VLAN, BPDU Guard, Storm Control, RADIUS support |
| Access Control | 802.1X Port-Based Network Access Control |
Compliance & Origin
| Country of Origin | UNITED STATES |
| TAA Compliant | Yes |
| Certifications | UL 60950, CSA C22.2, FCC CFR47, USGv6 |
| Compliant Standards | IEEE 802.3, 802.3u, 802.3z, 802.1D, 802.1Q, 802.3ab, 802.1p, 802.3af, 802.3x, 802.3ad, 802.1w, 802.1x, 802.3ae, 802.1s, 802.1ab, 802.3an, 802.3at, 802.3az |
Other Features
| Routing Protocols | IGMP, Policy-Based Routing (PBR), CIDR |
| Switch Features | DHCP server/support, ARP, VLAN, QoS, LLDP-MED, GVRP, ToS, STP, PVST+, Rapid PVST+, MSTP, WRR, SSD, ISATAP, IPMB |
| Status Indicators | Status, link/activity |
| Warranty | Limited lifetime warranty |
| Service & Support | Replacement - lifetime (next business day), Technical Support (Web/Phone) - 1 year |
| Localization | Colombia, Canada, Chile, Mexico, Latin America, United States |
Interfaces
| Total Ports | 48 x 10/100/1000 (PoE+), 4 x 10G SFP+ |
| LAN Ports | 48 x 10/100/1000Base-T RJ-45 PoE+ |
| Uplink Ports | 4 x 10GBase-X SFP+ |
| Console Ports | 1 x RJ-45 console, 1 x USB Type B |
| USB Ports | 1 x USB Type A |
| Interface Type | Gigabit Ethernet |
| Supported Data Transfer Rates | 10/100/1000 Mbps, 10 Gbps |
| Link Aggregation Groups | 8 |
| Buffer Capacity | 3 MB |
Cloud Management & Licensing
| Management Protocols | SNMP v1/v2c/v3, RMON, SSH, SSH-2, ICMP |
| Web Management | Yes (via browser-based GUI) |
| CLI Support | Yes |
| Licensing Model | None required (Smart Switch with included features) |
Physical & Environmental
| Dimensions (W x D x H) | 17.5 in x 13.8 in x 1.7 in |
| Width | 17.5 in |
| Depth | 13.8 in |
| Height | 1.7 in |
| Weight | 11.97 lbs |
| Min Operating Temperature | 23 °F |
| Max Operating Temperature | 122 °F |
| Humidity Range Operating | 10 - 90% (non-condensing) |
| Min Storage Temperature | -13 °F |
| Max Storage Temperature | 158 °F |
| Humidity Range Storage | 10 - 90% (non-condensing) |
| Rack Mounting Kit | Included |