C1-WS3850-48U/K9 Overview

The Cisco One Catalyst 3850 with model number C1-WS3850-48U/K9 is designed to deliver unrivaled performance and high-speed network capabilities. Featuring 48 Ports of UPoE, it provides scalable and secure solutions for a variety of networking environments. Ideal for medium to large enterprises, this switch maximizes productivity and operational efficiency.

Quick Spec

Brand	Cisco
Model	C1-WS3850-48U/K9
Series	Catalyst 3850
Ports	48 UPoE
Form Factor	Rack-mountable

Product Features

48 Ports of Universal Power over Ethernet (UPoE)
Integrated wireless controller functionality
Enhanced security with Cisco TrustSec
Built-in advanced Cisco IOS XE software
StackWise-480 technology for up to 480 Gbps of stacking throughput

Product Applications

Enterprise campus deployments requiring high-density access connectivity
Building management systems that need high output PoE/UPoE devices
Data-heavy industries requiring robust and secure wired and wireless connectivity

Supported Options

Accessory	Model
Stacking Cable	STACK-T3-50CM
Power Supply	PWR-C1-1100WAC
Fan Module	FAN-T3-RH-COVER

Compare to Similar Items

Model	Differences
Cisco WS-C3850-24U	24 Ports UPoE, lower port density
Cisco WS-C3850-48P	48 Ports PoE, non-UPoE functionality
Cisco WS-C3850-48F	48 Ports universal, higher flexibility but without built-in wireless controller

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C1-WS3850-48U/K9 Specification

C1-WS3850-48U/K9 Specification
General
Device Type	Switch - 48 ports - managed - stackable
Enclosure Type	Desktop, rack-mountable 1U
Subtype	Gigabit Ethernet
Ports	48 x 10/100/1000 (UPOE)
Power Over Ethernet (PoE)	UPOE
PoE Budget	800 W
Performance	Switching capacity: 176 Gbps Stacking bandwidth: 480 Gbps
Capacity	IPv4 routes: 24000 NetFlow entries: 48000 Switched virtual interfaces (SVIs): 1000
MAC Address Table Size	32000 entries
Jumbo Frame Support	9198 bytes
Remote Management Protocol	SNMP 1, RMON 1, RMON 2, Telnet, SNMP 3, SNMP 2c, SSH, CLI
Authentication Method	Kerberos, Secure Shell (SSH), RADIUS, TACACS+
Features	Auto-negotiation, ARP support, trunking, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, Syslog support, IPv6 support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, DHCP snooping, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS), RADIUS support, Virtual Route Forwarding-Lite (VRF-Lite), MLD snooping, Dynamic ARP Inspection (DAI), STP Root Guard, Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), IPv4 support, Shaped Round Robin (SRR), Link Aggregation Control Protocol (LACP), Remote Switch Port Analyzer (RSPAN), layer 3 load balancing, Energy Efficient Ethernet, universal power over Ethernet (UPOE), Cisco StackWise-480 technology, Cisco StackPower technology, Flexible NetFlow (FNF)
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3at
RAM	4 GB
Flash Memory	2 GB
Status Indicators	Port transmission speed, port duplex mode, system, status, PoE
Expansion / Connectivity
Interfaces	48 x 1000Base-T RJ-45 UPOE - 60 W 1 x USB Type A 1 x management (mini-USB) Type B 1 x serial (RS-232) RJ-45 management 1 x management (Gigabit LAN) RJ-45 2 x network stack device
Expansion Slots	1 (total) / 1 (free) x Stacking Module slot
Power
Power Device	Internal power supply
Installed Qty	1 (installed) / 2 (max)
Power Redundancy	Optional
Power Redundancy Scheme	1+1 (with optional power supply)
Power Provided	1100 Watt
Voltage Required	AC 120/230 V (50/60 Hz)
Miscellaneous
MTBF	205,110 hours
Compliant Standards	CISPR 22 Class A, GOST, BSMI CNS 13438 Class A, CISPR 24, EN 61000-3-2, NOM, EN 61000-3-3, EN55024, EN55022 Class A, ICES-003 Class A, RoHS, UL 60950-1 Second Edition, KCC, FCC Part 15 A, ISO 7779, CSA C22.2 No. 60950-1 Second Edition, EN 60950-1 Second Edition, IEC 60950-1 Second Edition, VCCI Class A
Dimensions & Weight
Width	17.5 in
Depth	17.7 in
Height	1.8 in
Weight	17.64 lbs
Manufacturer Warranty
Service & Support	Limited warranty - advance hardware replacement - lifetime - response time: next business day Technical support - phone consulting - 90 days
Environmental Parameters
Min Operating Temperature	23 F
Max Operating Temperature	113 F
Humidity Range Operating	10 - 95% (non-condensing)
Min Storage Temperature	-40 F
Max Storage Temperature	158 F