Cisco Linksys 24 Port Catalyst 3850 Data IP - WS-C3850-24T-S

Item # CISWSC385024TS (Part # WS-C3850-24T-S)
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Cisco Catalyst 3850 24 Port Data IP Base

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

  • 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.

Distributed intelligent services

Full visibility into the wired plus wireless traffic is achieved because of the access point Control and Provisioning of Wireless Access Points (CAPWAP) tunnel termination on the switch. This helps identify users and user traffic flows in order to identify potential attackers and take corrective action at the access layer before the attack penetrates further into the network. This is achieved using FNF; which monitors every single flow entering and exiting the switch stack for wired and wireless users. It also helps identify the top wired/wireless talkers and enforce appropriate bandwidth provisioning policies.


The Cisco Catalyst 3850 switch has advanced wired plus wireless QoS capabilities. It uses the Cisco modular QoS command line interface (MQC). The switch manages wireless bandwidth using unprecedented hierarchical bandwidth management starting at the per-access-point level and drilling further down to per-radio; per-service set identification (SSID); and per-user levels. This helps manage and prioritize available bandwidth between various radios and various SSIDs (enterprise; guest; and so on) within each radio on a percentage basis. The switch is also capable of automatically allocating equal bandwidth among the connected users within a given SSID. This makes sure that all users within a given SSID get a fair share of the available bandwidth while being connected to the network. The UADP ASIC enables the hierarchical bandwidth management and fair sharing of bandwidth; thereby providing hardware-based QoS for optimized performance at line-rate traffic.

In addition to these capabilities; the switch is able to do Class of Service (CoS) or Differentiated Services Code Point (DSCP) based queuing; policing; shaping; and marking of wired plus wireless traffic. This enables users to create common policies that can be used across wired plus wireless traffic. The Cisco Catalyst 3850 also supports downloadable policy names from the Cisco Identity Services Engine (ISE) when a user successfully authenticates to the network using the ISE.


The Cisco Catalyst 3850 provides a rich set of security features for wired plus wireless users. Features such as IEEE 802.1x; port security; Dynamic Host Configuration Protocol (DHCP) Snooping and Guard; Dynamic ARP Inspection; RA Guard; IP Source Guard; Control Plane Protection (CoPP); Wireless Intrusion Prevention Systems (WIPSs); and so on enable protection against unauthorized users and attackers. With a variety of wired plus wireless users connecting to the network; the switch supports session-aware networking; in which each device connected to the network is identified as one session; and unique Access Control Lists (ACLs) and/or QoS policies can be defined and applied using the ISE for each of these sessions; providing better control on the devices connecting to the network.

AES-256 MACsec encryption is the IEEE 802.1AE standard for authenticating and encrypting packets between switches and endpoints. The Cisco Catalyst 3850 Series switches support 256-bit (SFP+ and Multigigabit models only) and 128-bit Advanced Encryption Standard (AES) on all ports at all speeds; providing the most secure link encryption.


The Cisco Catalyst 3850 Series uses the Cisco StackPower technology present on the Cisco Catalyst 3850 Series. StackPower is an innovative power interconnect system that allows the power supplies in a stack to be shared as a common resource among all the switches. Cisco StackPower unifies the individual power supplies installed in the switches and creates a pool of power; directing that power where it is needed. Up to four switches[9]can be configured in a StackPower stack with the special connector at the back of the switch using the StackPower cable; which is different than the StackWise-480 cables.

StackPower can be deployed in either power-sharing mode or redundancy mode. In power-sharing mode; the power of all the power supplies in the stack is aggregated and distributed among the switches in the stack. In redundant mode; when the total power budget of the stack is calculated; the wattage of the largest power supply is not included. That power is held in reserve and used to maintain power to switches and attached devices when one power supply fails; enabling the network to operate without interruption. Following the failure of one power supply; the StackPower mode becomes power-sharing.

StackPower allows customers to simply add one extra power supply in any switch of the stack and either provide power redundancy for any of the stack members or simply add more power to the shared pool. StackPower eliminates the need for an external redundant power system or installation of dual power supplies in all the stack members. StackPower is available in LAN Base license level (or higher). For LAN Base; cables need to be purchased separately.

Foundation for Open Network Environment

The heart of the Cisco Catalyst 3850 is the UADP ASIC with programmability for future features and intelligence with investment protection. The new ASIC provides the foundation for converged APIs across wired and wireless; Cisco Open Network Environment; Software-Defined Networking (SDN) readiness; and OnePK SDK through software updates over the product lifetime.

Software services supported on the Cisco Catalyst 3850 Series Switches can be classified into five broad categories:

  • Ease of operations
  • Advanced security features
  • Resiliency
  • Application visibility and control
  • Audio Video Bridging

The Cisco Catalyst 3850 helps reduce the operating costs through:

  • Cisco Catalyst Smart Operations
  • Easy-to-use deployment and control features
  • Efficient switch operations
  • Network management tools

Cisco Catalyst Smart Operations

Cisco Catalyst Smart Operations is a comprehensive set of capabilities that simplify LAN deployment; configuration; and troubleshooting. In addition to adaptive; always-on technologies such as StackWise-480 and StackPower; Cisco Catalyst Smart Operations enable zero-touch installation and replacement of switches; fast upgrade; and ease of troubleshooting with reduced operational cost. Features includes Smart Install; Auto Smartports; Smart Configuration; and Smart Troubleshooting to enhance operational excellence:

  • Cisco Smart Install is a transparent plug-and-play technology to configure the Cisco IOS Software image and switch configuration without user intervention. Smart Install utilizes dynamic IP address allocation and the assistance of other switches to facilitate installation; providing transparent network plug and play.
  • Cisco Auto Smartports provide automatic configuration as devices connect to the switch port; allowing auto detection and plug and play of the device onto the network.
  • Cisco Smart Troubleshooting is an extensive array of debug diagnostic commands and system health checks within the switch; including Generic Online Diagnostics (GOLD) and Onboard Failure Logging (OBFL).
  • Embedded Event Manager (EEM) is a powerful and flexible feature that provides real-time network event detection and onboard automation. Using EEM; customers can adapt the behavior of their network devices to align with their business needs. This feature requires the IP Base feature set.

Easy-to-use deployment and control features

User experience:

  • IP Service-Level Agreements (SLAs) enable customers to assure new business-critical IP applications; as well as IP services that utilize data; voice; and video; in an IP network. This feature requires the IP Services feature set.
  • DHCP auto configuration of multiple switches through a boot server eases switch deployment.
  • Automatic QoS (AutoQoS) simplifies QoS configuration in Voice over IP (VoIP) networks by issuing interface and global switch commands to detect Cisco IP phones; classify traffic; and help enable egress queue configuration.
  • Autonegotiation on all ports automatically selects half- or full-duplex transmission mode to optimize bandwidth.
  • Automatic media-dependent interface crossover (MDIX) automatically adjusts transmit and receive pairs if an incorrect cable type (crossover or straight through) is installed.
  • AV Bridging provides reliable time synchronized transmission with no pops or clicks or video dropouts.

Simplified configuration and connectivity:

  • Dynamic Trunking Protocol (DTP) facilitates dynamic trunk configuration across all switch ports.
  • Port Aggregation Protocol (PAgP) automates the creation of Cisco Fast EtherChannel groups or Gigabit EtherChannel groups to link to another switch; router; or server.
  • Link Aggregation Control Protocol (LACP) allows the creation of Ethernet channeling with devices that conform to IEEE 802.3ad. This feature is similar to Cisco EtherChannel technology and PAgP.
  • Unidirectional Link Detection Protocol (UDLD) and aggressive UDLD allow unidirectional links caused by incorrect fiber-optic wiring or port faults to be detected and disabled on fiber-optic interfaces.
  • Cisco VLAN Trunking Protocol (VTP) Version 3 supports dynamic VLANs and dynamic trunk configuration across all switches.
  • AV Bridging provides reliable A/V streaming without the need for the installer to perform extensive hand-tuning of the network.

Efficient switch operation:

  • Switching Database Manager (SDM) templates; VLAN template (specific to LAN Base license level); and advanced template allow the administrator to automatically optimize the Ternary Content-Addressable Memory (TCAM) allocation to the desired features based on deployment-specific requirements.
  • Local proxy Address Resolution Protocol (ARP) works in conjunction with private VLAN edge to minimize broadcasts and maximize available bandwidth.
  • Stacking master configuration management with Cisco StackWise-480 technology helps make sure that all switches are automatically upgraded when the master switch receives a new software version. Automatic software version checking and updating help ensure that all stack members have the same software version.
  • Trivial File Transfer Protocol (TFTP) reduces the cost of administering software upgrades by downloading from a centralized location.
  • Network Timing Protocol (NTP) provides an accurate and consistent timestamp to all intranet switches.


  • Optimized multicast for wired plus wireless: Cisco Catalyst 3850 offers greater multicast efficiency by receiving only one multicast stream and replicating it for all connected wired plus wireless devices connected to that switch.
  • Internet Group Management Protocol (IGMP) v1; v2; v3 snooping for IPv4: Multicast Listener Discovery (MLD) v1 and v2 snooping provides fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requestors.


  • Remote Switch Port Analyzer (RSPAN) allows administrators to remotely monitor ports in a Layer 2 switch network from any other switch in the same network.
  • For enhanced traffic management; monitoring; and analysis; the Embedded Remote Monitoring (RMON) software agent supports four RMON groups (history; statistics; alarms; and events).
  • Layer 2 traceroute eases troubleshooting by identifying the physical path that a packet takes from source to destination.
  • Wireless RF management provides both real-time and historical information about RF interference affecting network performance across controllers using systemwide Cisco CleanAir technology integration.

Efficient switch operation

Cisco Catalyst 3850 Series Switches; designed and engineered by Cisco; provide optimum power-saving; EEE (on RJ45 ports); low-power operations for industry best-in-class power management and power consumption capabilities. The Cisco Catalyst 3850 ports are capable of reduced power modes so that ports not in use can move into a lower power utilization state. Other efficient switch operation features are:

  • Cisco Discovery Protocol Version 2 allows the Cisco Catalyst 3850 Series Switches to negotiate a more granular power setting when connecting to a Cisco powered device such as IP phones or access points than what is provided by IEEE classification.
  • Per-port power consumption command allows customers to specify maximum power setting on an individual port. Per-port PoE power sensing measures actual power being drawn; enabling more intelligent control of powered devices.
  • The PoE MIB provides proactive visibility into power usage and allows customers to set different power-level thresholds.

Environmental responsibility

Organizations may choose to turn off access point radios to reduce power consumption during off-peak hours. The integrated wireless LAN controller avoids the deployment of additional devices in the network.

Network management tools

The Cisco Catalyst 3850 Series Switches offer both a superior CLI for detailed configuration and Cisco Prime infrastructure for unified wired plus wireless management. Prime infrastructure provides day 0 and ongoing provisioning; ongoing monitoring and maintenance; configuration templates; and device and user 360-degree views and serves as the FNF collector for user traffic views using the Prime Assurance Manager module.

Advanced Security Features

Protection against attackers:

  • Port security secures the access to an access or trunk port based on MAC address. It limits the number of learned MAC addresses to deny MAC address flooding.
  • DHCP snooping prevents malicious users from spoofing a DHCP server and sending out bogus addresses. This feature is used by other primary security features to prevent a number of other attacks such as ARP poisoning.
  • Dynamic ARP inspection (DAI) helps ensure user integrity by preventing malicious users from exploiting the insecure nature of ARP.
  • IP source guard prevents a malicious user from spoofing (that is; taking over) another user's IP address by creating a binding table between the client's IP and MAC address; port; and VLAN; and by using it to selectively block bogus packets.
  • The Unicast Reverse Path Forwarding (uRPF) feature helps mitigate problems caused by the introduction of malformed or forged (spoofed) IP source addresses into a network by discarding IP packets that lack a verifiable IP source address.
  • Bidirectional data support on a SPAN port allows the Cisco Intrusion Detection System (IDS) to take action when an intruder is detected.

User authentication:

  • Flexible authentication that supports multiple authentication mechanisms; including 802.1X; MAC authentication bypass; and web authentication using a single; consistent configuration.
  • RADIUS change of authorization and downloadable calls for comprehensive policy management capabilities.
  • Private VLAN edge restricts traffic between hosts in a switch by segregating traffic at Layer 2; turning a broadcast segment into a nonbroadcast multi-access-like segment. Private VLAN edge provides security and isolation between switch ports; which helps ensure that users cannot snoop on other users' traffic.
  • Multidomain authentication allows an IP phone and a PC to authenticate on the same switch port while placing them on appropriate voice and data VLAN.
  • MAC address notification allows administrators to be notified of users added to or removed from the network.
  • Mobility and security for secure; reliable wireless connectivity and consistent end-user experience. Increased network availability through proactive blocking of known threats.
  • IGMP filtering provides multicast authentication by filtering out nonsubscribers and limits the number of concurrent multicast streams available per port.


  • Cisco security VLAN ACLs on all VLANs prevent unauthorized data flows from being bridged within VLANs.
  • Cisco standard and extended IP security router ACLs define security policies on routed interfaces for control-plane and data-plane traffic. IPv6 ACLs can be applied to filter IPv6 traffic.
  • Port-based ACLs for Layer 2 interfaces allow security policies to be applied on individual switch ports.

Device access:

  • Secure Shell (SSH) Protocol; Kerberos; and Simple Network Management Protocol Version 3 (SNMPv3) provide network security by encrypting administrator traffic during Telnet and SNMP sessions. SSH Protocol; Kerberos; and the cryptographic version of SNMPv3 require a special cryptographic software image because of U.S. export restrictions.
  • TACACS+ and RADIUS authentication facilitates centralized control of the switch and restricts unauthorized users from altering the configuration.
  • Multilevel security on console access prevents unauthorized users from altering the switch configuration.

Bridge Protocol Data Unit (BPDU) Guard shuts down Spanning Tree PortFast-enabled interfaces when BPDUs are received to avoid accidental topology loops.

Spanning Tree Root Guard (STRG) prevents edge devices not in the network administrator's control from becoming Spanning Tree Protocol root nodes.

Wireless end-to-end security offers CAPWAP-compliant DTLS encryption to make sure of encryption between access points and controllers across remote WAN/LAN links.


Borderless networks enable enterprise mobility and business-grade video services. Industry's first unified network (wired plus wireless) location services enable tracking of mobile assets and the users of those assets for both wired plus wireless devices. The true borderless experience is enabled by the following feature sets in the Cisco Catalyst 3850 Series Switches:

  • High availability
  • High-performance IP routing
  • Superior QoS

High availability

In addition to StackWise-480 and StackPower;[10] the Cisco Catalyst 3850 Series supports high-availability features including but not limited to the following:

  • Cross-Stack EtherChannel provides the ability to configure Cisco EtherChannel technology across different members of the stack for high resiliency.
  • Flexlink provides link redundancy with convergence time less than 100ms.
  • IEEE 802.1s Multiple Spanning Tree Protocol (MSTP) provides rapid spanning-tree convergence independent of spanning-tree timers and also offers the benefit of Layer 2 load balancing and distributed processing.
  • Per-VLAN Rapid Spanning Tree (PVRST+) allows rapid spanning-tree (IEEE 802.1w) reconvergence on a per-VLAN spanning-tree basis; providing simpler configuration than MSTP. In both MSTP and PVRST+ modes; stacked units behave as a single spanning-tree node.
  • Switch-port autorecovery ("err-disable" recovery) automatically attempts to reactivate a link that is disabled because of a network error.

High-performance IP routing

The Cisco Express Forwarding hardware routing architecture delivers extremely high-performance IP routing in the Cisco Catalyst 3850 Series Switches:

  • IP unicast routing protocols (static; Routing Information Protocol Version 1 [RIPv1]; and RIPv2; RIPng; Enhanced Interior Gateway Routing Protocol [EIGRP] stub) are supported for small-network routing applications with the IP Base feature set. Limited static routing with the LAN Base feature set. Equal-cost routing facilitates Layer 3 load balancing and redundancy across the stack.
  • Advanced IP unicast routing protocols (Open Shortest Path First [OSPF]; EIGRP; Border Gateway Protocol Version 4 [BGPv4]; and Intermediate System-to-Intermediate System Version 4 [IS-ISv4]) are supported for load balancing and constructing scalable LANs. IPv6 routing (OSPFv3; EIGRPv6) is supported in hardware for maximum performance. OSPF for routed access is included in the IP Base image. The IP Services feature set is required for full OSPF; EIGRP; BGPv4; and IS-ISv4.
  • Policy-Based Routing (PBR) allows superior control by facilitating flow redirection regardless of the routing protocol configured. The IP Base feature set is required for PBR. Virtual Routing and Forwarding (VRF)-Lite enables a service provider to support two or more VPNs; with overlapping IP addresses. The IP Services feature set is required for VRF-Lite.
  • Protocol-Independent Multicast (PIM) for IP multicast routing is supported; including PIM Sparse Mode (PIM-SM); PIM Dense Mode (PIM-DM); PIM sparse-dense mode; and Source-Specific Multicast (SSM). The IP Services feature set is required.
  • IPv6 addressing is supported on interfaces with appropriate show commands for monitoring and troubleshooting.

Superior QoS

The Cisco Catalyst 3850 Series offers Gigabit Ethernet speed with intelligent services that keep traffic flowing smoothly; even at 10 times the normal network speed. Industry-leading mechanisms for cross-stack marking; classification; and scheduling deliver superior performance for data; voice; and video traffic; all at wire speed.

The following are some of the QoS features supported in the Cisco Catalyst 3850 Series Switches:

  • Granular wireless bandwidth management and fair sharing use Cisco's proven Cisco IOS Software and UADP ASIC technology to provide hierarchical bandwidth management at line rate (per access point; per radio; per SSID; per client-based policies). Fair sharing across the users within an SSID makes sure that no single user is starved because of other heavy-hitting users. Fair sharing is automatically enabled for wireless at user level as well as SSID level.
  • 802.1p CoS and DSCP field classification is provided; using marking and reclassification on a per-packet basis by source and destination IP address; MAC address; or Layer 4 Transmission Control Protocol/User Datagram Protocol (TCP/UDP) port number.
  • Shaped Round Robin (SRR) scheduling helps ensure differential prioritization of packet flows by intelligently servicing the ingress queues and egress queues. Weighted Tail Drop (WTD) provides congestion avoidance at the ingress and egress queues before a disruption occurs. Strict priority queuing helps ensure that the highest priority packets are serviced ahead of all other traffic.
  • The Cisco Committed Information Rate (CIR) function provides bandwidth in increments as low as 8 Kbps.
  • Rate limiting is provided based on source and destination IP address; source and destination MAC address; Layer 4 TCP/UDP information; or any combination of these fields; using QoS ACLs (IP ACLs or MAC ACLs); class maps; and policy maps.
  • Eight egress queues per port for wired traffic and four egress queues for wireless help enable differentiated management of different traffic types across the stack for wired traffic. Up to 2000 aggregate policers are available per switch.

Application visibility and control using Flexible NetFlow

Cisco IOS Software FNF is the next generation in flow visibility technology; allowing optimization of the network infrastructure; reducing operation costs; and improving capacity planning and security incident detection with increased flexibility and scalability. The Cisco Catalyst 3850 provides optimized application visibility with FNF across wired plus wireless. The switch is capable of up to 48;000 flow entries on 48-port models and up to 24;000 flow entries on 12-port and 24-port models across wired plus wireless. With UADP ASIC; Cisco Catalyst 3850 delivers next-generation flow technology with unprecedented flexibility and comprehensive visibility extending from Layer 2 (MAC and VLAN) to Layer 4 (TCP/UDP) flags and so on across wired plus wireless traffic. The Cisco Catalyst 3850 switch is medianet capable to provide visibility and troubleshooting capabilities across wired plus wireless video traffic. Specific medianet features will be enabled in future software updates.

The flow data collected by FNF can be exported to an external collector for analysis and reporting or tracked by the EEM. The Cisco Catalyst 3850 enables powerful on-box and customizable event correlation and policy actions with EEM; allowing the switches to trigger customized event alarms or policy actions when the predefined condition is met. With no external appliance required; customers are able to use existing infrastructure to perform traffic monitoring; making traffic analysis economical even on a large IP network.

High-performance video over wireless integrates Cisco VideoStream technology to optimize the delivery of video applications across the WLAN.

Wired plus wireless IP telephony supports unified communications for improved collaboration through messaging; presence; and conferencing and supports all Cisco Unified Communications wireless IP phones for cost-effective; real-time voice service.

Audio video bridging

With Cisco IOS XE Software Release 16.3; Cisco Catalyst 3850 Multigigabit and 3850 10G SFP+ now support the IEEE 802.1 AVB standard. This standard provided the means for highly reliable delivery of low-latency; time-synchronized AV streaming services through Layer 2 Ethernet networks. The standard also makes it easier to integrate new services and for AV equipment from different vendors to interoperate. Whether the AV endpoint connections are analog or are inflexible digital one to one; the network transport enables many-to-many transparent plug-and-play connections for multiple AV endpoints.


  • Improves quality of experience by lowering jitter and latency for time-synchronized delivery of high-quality AV
  • Provides scalability of applications across networked deployments; including expansive and complex AV infrastructure
  • Lowers Total Cost of Ownership (TCO) with reduced cabling (lowers CapEx) and no license fees (lowers OpEx)


  • Switching capacity: 92 Gbps on 24-port Gigabit Ethernet model
  • Stacking bandwidth: 480 Gbps
  • Total number of MAC addresses: 32000
  • Total number of IPv4 routes (ARP plus learned routes): 24000
  • DRAM: 4 GB
  • Flash: 2 GB (4 GB on 12-port and 24-port SFP+ models; 8 GB on 48-port SFP+ model)
  • VLAN IDs: 4000
  • Total Switched Virtual Interfaces (SVIs): 1000
  • Jumbo frame: 9198 bytes
  • Total routed ports per 3850 stack: 208
  • Number of access points per switch/stack: 100
  • Number of wireless clients per switch/stack: 2000
  • Total number of WLANs per switch: 64
  • Wireless bandwidth per switch: Up to 20 Gbps on 24-port Gigabit Ethernet model
  • Supported Aironet access point series: 3600; 3500; 2600; 1600; 1260; 1140; 1040
  • Forwarding rate: 68.4 Mpps
  • Dimensions (H x W x D): 1.75 x 17.5 x 17.7 in/ 4.45 x 44.5 x 45.0 cm
  • Weight: 15.9 lbs./7.2 kg
  • MTBF hours: 303230
  • With AC power supply: Normal operating temperature and altitudes: -5ºC to +45ºC; up to 5000 feet (1500m); -5ºC to +40ºC; up to 10;000 feet (3000m); Short-term exceptional conditions: -5ºC to +50ºC; up to 5000 feet (1500m); -5ºC to +45ºC; up to 10;000 feet (3000m); -5ºC to +45ºC; at sea level with single fan failure
  • Relative humidity: 10% to 95%; noncondensing
  • Acoustic noise: With AC or DC power supply (with 24 PoE+ ports loaded): LpA: 43dB typical; 45dB maximum; LwA: 5.2B typical; 5.5B maximum; Typical: Noise emission for a typical configuration; Maximum: Statistical maximum to account for variation in production
  • Storage environment: Temperature: -40ºC to 70ºC; Altitude: 15;000 ft.
  • Vibration: Operating: 0.41Grms from 3 to 500Hz with spectral break points of 0.0005 G2/Hz at 10Hz and 200Hz 5dB/octave roll off at each end; Nonoperating: 1.12Grms from 3 to 500Hz with spectral break points of 0.0065 G2/Hz at 10Hz and 100Hz 5dB/octave roll off at each end.
  • Shock: Operating: 30G; 2ms half sine; Nonoperating: 55G; 10ms trapezoid
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