• Cisco WS-C3850-48XS-S 48-port 10GbE SFP+ switch
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Cisco WS-C3850-48XS-S | Catalyst 3850 48-Port 10G SFP+ Switch, 4x 40G QSFP+, IP Base

WS-C3850-48XS-S

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Description

The Cisco Catalyst 3850-48XS-S is a high-performance enterprise switch delivering 48 ports of 10 Gigabit SFP+ connectivity and 4 QSFP+ uplinks in a compact 1RU form factor. Ideal for campus backbones, data center edge deployments, and enterprise aggregation layers requiring high-density 10G connectivity. Powered by Cisco IOS XE and the UADP ASIC, it delivers wire-speed performance with 1.28 Tbps switching capacity and 909 Mpps forwarding rate.

Features

Cisco Unified Access Data Plane (UADP) ASIC for uniform wired-wireless policy enforcement
- Cisco IOS XE Software with advanced Layer 2 and Layer 3 switching capabilities
- Sub-microsecond latency for latency-sensitive applications
- Energy Efficient Ethernet (EEE) for optimized power consumption
- Hot-swappable redundant power supplies and fan trays
- Advanced QoS with comprehensive traffic classification and prioritization
- Comprehensive security features: 802.1X authentication, DHCP snooping, dynamic ARP inspection, ACLs, port security
- VLAN support: up to 1,000 VLANs (IP Base)
- Routing protocols: OSPF, EIGRP, BGP-4, IS-IS, RIP-1, RIP-2, OSPFv3, RIPng
- Multicast support: IGMPv2, IGMPv3, PIM-SM, PIM-DM, PIM-SSM, MLDv2
- NetFlow Lite for application visibility and monitoring
- Flexible NetFlow (FNF) for enhanced traffic analysis
- Policy-based routing (PBR) for advanced traffic control
- Cisco TrustSec for secure segmentation and access control
- Supports wireless controller functionality (mobility agent role)
- Field-replaceable fans and power supplies for easy maintenance

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Manual

Technical Specifications

48x 10 Gigabit Ethernet SFP+ ports
- 4x 40 Gigabit Ethernet QSFP+ uplink ports
- Switching capacity: 1.28 Tbps
- Forwarding rate: 909 Mpps
- Memory: 8 GB DRAM
- Flash: 8 GB
- MAC address table: 32,000 entries
- Jumbo frame support: up to 9,198 bytes
- Default power supply: 750W AC (front-to-back airflow)
- Dual redundant power supply support (optional)
- Form factor: 1RU rack-mountable
- Management: CLI, SNMP, NetFlow Lite, Cisco Prime Infrastructure, Cisco DNA Center
- IP Base feature set included

FAQs

Q: Does this switch support Layer 3 routing?
A: The WS-C3850-48XS-S includes the IP Base feature set, which provides entry-level Layer 3 routing capabilities including static routing, OSPF, EIGRP, and BGP. For advanced Layer 3 features, an IP Services license upgrade is available.

Q: Is this switch stackable with other Catalyst 3850 models?
A: No, the 48-port 10G SFP+ models (WS-C3850-48XS-S and WS-C3850-48XS-F-S) do not support StackWise-480 or StackPower technologies. They operate as standalone switches and cannot be stacked with other Catalyst 3850 models.

Q: What SFP+ modules are compatible with this switch?
A: The switch supports a wide range of Cisco 10G SFP+ modules including SR, LR, ER for fiber connectivity, as well as direct attach copper cables (DAC) and 10GBASE-T copper modules. SFP+ ports are also backward compatible with 1G SFP modules.

Q: Does this switch support Power over Ethernet (PoE)?
A: No, the WS-C3850-48XS-S does not provide PoE or PoE+ capability. All 48 ports are SFP+ fiber ports designed for high-speed data transmission only. For PoE requirements, consider Catalyst 3850 models with copper RJ45 ports.

Q: What is the difference between the S and F models?
A: The S suffix indicates standard front-to-back airflow, while the F suffix indicates back-to-front (reverse) airflow. Choose the airflow direction based on your data center hot aisle/cold aisle cooling design. Both models have identical port configurations and performance specifications.

Datasheet

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Manual

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