Cisco Catalyst 3850 Series performance specifications
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Performance numbers for all switch models
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Switching capacity
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176 Gbps on 48-port Gigabit Ethernet model
92 Gbps on 24-port Gigabit Ethernet model
68 Gbps on 12-port Gigabit Ethernet model
640 Gbps on 24-port Multigigabit Ethernet model*
472 Gbps on 48-port Multigigabit Ethernet model
1280 Gbps on 48-port 10 Gigabit Ethernet SFP+ model*
640 Gbps on 24-port 10 Gigabit Ethernet SFP+ model*
320 Gbps on 12-port 10 Gigabit Ethernet SFP+ model*
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Stacking bandwidth
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480 Gbps
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Total number of MAC addresses
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32,000
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Total number of IPv4 routes (ARP plus learned routes)
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24,000
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FNF entries
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48,000 flow on 48-port Gigabit Ethernet models
24,000 flows on 12-port and 24-port Gigabit Ethernet models
96,000 flows on 48-port 10 Gigabit Ethernet SFP+ model
48,000 flows on 24-port 10 Gigabit Ethernet SFP+ model
24,000 flows on 12-port 10 Gigabit Ethernet SFP+ model
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DRAM
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4 GB (8 GB on 48-port SFP+ model)
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Flash
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2 GB (4 GB on 12-port and 24-port SFP+ models, 8 GB on 48-port SFP+ model)
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VLAN IDs
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4,000
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Total Switched Virtual Interfaces (SVIs)
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1,000
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Jumbo frame
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9198 bytes
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Total routed ports per 3850 stack
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208
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Wireless
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Number of access points per switch/stack
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100
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Number of wireless clients per switch/stack
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2000
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Total number of WLANs per switch
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64
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Wireless bandwidth per switch
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Up to 40 Gbps on 48-port Gigabit Ethernet model
Up to 20 Gbps on 24-port Gigabit Ethernet model
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Supported Aironet access point series
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3600, 3500, 2600, 1600, 1260, 1140, 1040
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Forwarding rate of switch models (with 2 x 10 Gigabit + 2 x 1 Gigabit Ethernet uplinks for 12-port and 24-port models and 4 x 10 Gigabit Ethernet uplinks for 48‑port models)
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Model
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Forwarding rate
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WS-C3850-12S
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50.5 Mpps
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WS-C3850-24T
WS-C3850-24P
WS-C3850-24S
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68.4 Mpps
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WS-C3850-48T
WS-C3850-48P
WS-C3850-48F
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130.95 Mpps
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WS-C3850-24XU
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500 Mpps (80B packets)
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WS-C3850-12X48U
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460 Mpps (64B packets)
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WS-C3850-12XS
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227.28 Mpps
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WS-C3850-24XS
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454.55 Mpps
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WS-C3850-48XS
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909 Mpps
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Converged wired plus wireless access
The Cisco Catalyst 3850 is the first stackable access switching platform that enables wired plus wireless services on a single Cisco IOS XE Software-based platform. With this, Cisco has pioneered a host of rich capabilities such as high availability based on Stateful Switchover (SSO) on stacking, granular QoS, security, and Flexible NetFlow (FNF) across wired and wireless in a seamless fashion. Also, the wired plus wireless features are bundled into a single Cisco IOS Software image, which reduces the number of software images that users have to qualify/certify before enabling them in their network. The single console port for Command-Line Interface (CLI) management reduces the number of touch points to manage for wired plus wireless services, thereby reducing network complexity, simplifying network operations, and lowering the TCO to manage the infrastructure.
Converged wired plus wireless not only improves wireless bandwidth across the network but also the scale of wireless deployment. Each 48-port Cisco Catalyst 3850 provides 40 Gbps of wireless throughput (20 Gbps on the 24-port/12-port models). This wireless capacity increases with the number of members in the stack. This makes sure that the network can scale with current wireless bandwidth requirements, as dictated by IEEE 802.11n-based access points and with future wireless standards such as IEEE 802.11ac. Additionally, the Cisco Catalyst 3850 distributes the wireless controller functions to achieve better scalability. Each Cisco Catalyst 3850 switch/stack can operate as the wireless controller in two modes (Figure 8):
● Mobility Agent (MA): This is the default mode in which a Cisco Catalyst 3850 switch ships. In this mode the switch is capable of terminating the CAPWAP tunnels from the access points and providing wireless connectivity to wireless clients. Maintaining wireless client databases and configuring and enforcing security and QoS policies for wireless clients and access points can be enforced in this mode. No additional license on top of IP Base is required to operate in the mobility agent mode.
● Mobility Controller (MC): In this mode, the Cisco Catalyst 3850 switch can perform all the mobility agent tasks in addition to mobility coordination, Radio Resource Management (RRM), and Cisco CleanAir® coordination within a mobility subdomain. The mobility controller mode can be enabled on the switch CLI. IP Base license level is required when the Cisco Catalyst 3850 switch is acting as the mobility controller. A centrally located Cisco 5508 Wireless LAN Controller (WLC 5508), Cisco Wireless Services Module 2 (WiSM2) (when running AireOS Version 7.3), and Wireless LAN Controller 5760 can also perform this role for larger deployments.
● With mobility agents located in the wiring closets providing 40 Gbps of wireless per 48-port Gigabit Ethernet RJ45 switch (n x 40 Gbps for a stack of n switches) and mobility controllers managing some of the central wireless functions, the converged access-based wireless deployment provides best-in-class scalability for wireless and significantly improved wireless throughput.
Cisco Catalyst 3850 Series configurations
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Model
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Total 10/100/1000 or SFP or SFP+ ports
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Default AC power supply
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Available PoE power
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POE budget with 1100W secondary PS
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StackWise-480
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StackPower
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WS-C3850-24T
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24
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350WAC
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-
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Yes
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Yes
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WS-C3850-48T
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48
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WS-C3850-24P
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24 PoE+
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715WAC
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435W
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1535W
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WS-C3850-48P
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48 PoE+
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WS-C3850-48F
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48 PoE+
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1100WAC
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800W
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1900W
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WS-C3850-24U
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24 UPOE
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1100WAC
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800W
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1900W
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WS-C3850-48U
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48 UPOE
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1100WAC
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800W
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1900W
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WS-C3850-24XU
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24 UPOE (100Mbps/1/2.5/5/10 Gbps)
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1100WAC
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580W
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1680W
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WS-C3850-12X48U
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48 UPOE (with 12 100Mbps/1/2.5/5/10 Gbps Ports)
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1100WAC
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630W
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1730W
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WS-C3850-12S
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12 SFP
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350WAC
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WS-C3850-24S
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24 SFP
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WS-C3850-12XS
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12 1/10G SFP+
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350WAC
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-
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WS-C3850-24XS
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24 1/10G SFP+
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715 WAC
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-
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WS-C3850-48XS
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48 1/10G SFP+
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750WAC (front to back)
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-
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No
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No
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Network module compatibility matrix
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Model
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Network modules
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WS-C3850-24T
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C3850-NM-4-1G, C3850-NM-2-10G
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WS-C3850-48T
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G
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WS-C3850-24P
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C3850-NM-4-1G, C3850-NM-2-10G
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WS-C3850-48P
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G
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WS-C3850-48F
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G
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WS-C3850-24U
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C3850-NM-4-1G, C3850-NM-2-10G
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WS-C3850-48U
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G
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WS-C3850-24XU
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G, C3850-NM-8-10G, C3850-NM-2-40G
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WS-C3850-12X48U
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C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G, C3850-NM-8-10G, C3850-NM-2-40G
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WS-C3850-12S
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C3850-NM-4-1G, C3850-NM-2-10G
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WS-C3850-24S
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C3850-NM-4-1G, C3850-NM-2-10G
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WS-C3850-12XS
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C3850-NM-4-10G
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WS-C3850-24XS
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C3850-NM-4-10G, C3850-NM-8-10G, C3850-NM-2-40G
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WS-C3850-48XS
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None
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Network module
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Interface options
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Network module
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10 Gigabit Ethernet SFP+ ports
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Gigabit Ethernet SFP ports
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4 x Gigabit Ethernet
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0
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4
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4 x Gigabit Ethernet/2 x10 Gigabit Ethernet network modules
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2
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0
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1
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3
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2
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2
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0
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4
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4 x Gigabit Ethernet/4 x10 Gigabit Ethernet network modules
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4
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0
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0
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4
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2
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2
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3
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1
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1
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3
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Power supply models
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Model
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Default power supply
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Available PoE power
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24-port data switch
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PWR-C1-350WAC
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-
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48-port data switch
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24-port PoE switch
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PWR-C1-715WAC
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435W
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48-port PoE switch
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48-port full PoE switch
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PWR-C1-1100WAC
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800W
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24-port UPOE switch
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PWR-C1-1100WAC
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800W
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48-port UPOE switch
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24-port Multigigabit UPOE switch
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PWR-C1-1100WAC
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580W
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48-port Multigigabit UPOE switch
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PWR-C1-1100WAC
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630W
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12-port SFP switch
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PWR-C1-350WAC
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-
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24-port SFP switch
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12-port SFP+ switch
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PWR-C1-350WAC
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-
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24-port SFP+ switch
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PWR-C1-715WAC
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-
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48-port SFP+ switch (WS-C3850-48XS-S and WS-C3850-48XS-E)
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PWR-C3-750WAC-R
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-
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48-port SFP+ switch (WS-C3850-48XS-F-S and WS-C3850-48XS-F-E)
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PWR-C3-750WAC-F
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-
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Safety and compliance information for the Cisco Catalyst 3850 Series
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Description
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Specification
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Safety certifications
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UL 60950-1 Second Edition
CAN/CSA-C22.2 No. 60950-1 Second Edition
EN 60950-1 Second Edition
IEC 60950-1 Second Edition
NOM (obtained by partners and distributors)
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Electromagnetic emissions certifications
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47CFR Part 15 (CFR 47) Class A (FCC Part 15 Class A)
AS/NZS CISPR22 Class A
CISPR22 Class A
EN55022 Class A
ICES003 Class A
VCCI Class A
EN61000-3-2
EN61000-3-3
KN22 Class A
KCC
CNS13438 Class A
EN55024
CISPR24
KN24
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Environmental
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Reduction of Hazardous Substances (ROHS) 5
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Noise specifications
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Office Product Spec: 48dBA at 30°C (refer to ISO 7779)
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Telco
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CLEI code
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