DK3520MI-24TP4X-2BT

Interface

Fiber ports

Copper RJ45 ports

4

24

Ethernet

24*10/100/1000Base-T RJ45 PoE/PoE+, 1-2 ports support PoE++ 90W

4*1G/2.5G/10GBase-X SFP+

Management port

1*RJ45 Console port, 1*USB 2.0 for configuration and firmware update

Data channel

1 channel RS485

1 channel DI(digital input)

1 channel DO(digital output)

Standard

IEEE 802.3 10Base-T Ethernet

IEEE 802.3u 100Base-TX Ethernet

IEEE 802.3ab 1000Base-T Ethernet

IEEE 802.3z 1000Base-X Ethernet

IEEE 802.3ae 10GBase-X Ethernet

IEEE802.3x Flow Control and Back Pressure

IEEE 802.1D Spanning Tree Protocol

IEEE 802.1w Rapid Spanning Tree Protocol

IEEE 802.1Q VLAN

ITU-T G.8032 ERPS

IEEE 802.1X Port Authentication Network Control

IEEE 802.1ab LLDP

IEEE 802.3ad LACP

IEEE 802.3af PoE

IEEE 802.3at PoE+

IEEE 802.3bt PoE++

LED Indicators

P (Power indicator)

Off: the device is power off or failed

On: the device power on is normal

S (System status indicator)

Blinking: device initialization

On: device on normal operation

USB (USB status indicator) Green

Off: USB flash drive not insert or not detected by device

On: USB flash drive is detected by device

Blinking: the device is reading and writing the data from USB flash drive

ALM (Fault status indicator) Red

Off: Device on normal working state

On: Fault alarm

1-24 (Copper ports indicators) Green

Off: ports link down

On: ports link up

Blinking: data on TX/RX

1-24(PoE status indicators) Yellow

Off: PoE not working

On: PoE working

25-28 (Fiber ports indicators) Green

Off: ports link down

On: ports link up

Blinking: data on TX/RX

Power parameter

Input voltage

44-57VDC

redundant power input

Input current

9A DC input Max

Total power consumption

Full loading without PoE≤ 32W

PoE power budget ≤ 370W

Connector

Removable 2-pin terminal block

Reverse polarity protection

Support

Over-voltage protection

Support

Over-current protection

Support

Layer 2 function

Port aggregation

Support GE port aggregation

Support 2.5GE aggregation

Support 10GE aggregation

Support static aggregation

Support dynamic aggregation

Port features

Support IEEE802.3x flow control,

Support port traffic statistics,

Support port isolation

Support network storm suppression based on port bandwidth percentage

VLAN

Support access mode

Support trunk mode

Support hybrid mode

VLAN Classification

Mac Based VLAN

IP Based VLAN

Protocol Based VLAN

QinQ

Port-based QinQ

VLAN-based QinQ

Flow-based QinQ

Port mirroring

Many to one port mirroring

Ring network protocol

Support STP、RSTP、MSTP

Support G.8032 ERPS protocol，single ring, sub Ring and associated sub ring

Recovery time ≤20ms

DHCP

Support DHCP Client

Support DHCP Snooping

Multicast

IGMP V1,V2,V3

IGMP snooping

ACL

IP Standard ACL

MAC extend ACL

IP extend ACL

QoS

Support QoS Class, Remarking

Support SP, WRR queue scheduling

Ingress Port-based Rate-limit

Egress Port-based Rate-limit

Support Policy-based QoS

Security

Support Dot1x，port authentication，MAC authentication，RADIUS service

Support port-security

Support IP Source Guard，IP/Port/MAC binding

Support ARP-check and ARP packet filtering for illegal users

Support port isolation

Management   & maintenance

Support LLDP

Support user management and login authentication

Support SNMPV1/V2C/V3

Support web management, HTTP1.1, HTTPS

Support Syslog and alarm grading

Support RMON(Remote Monitoring) alarm

Support NTP

Support temperature monitoring

Support Ping , TRACERT

Support optical transceiver DDM function

Support TFTP Client

Support Telnet Server

Support SSH Server

Support IPv6 Management

Support PoE management

Support TFTP, web upgrading

Support USB upgrading

Support USB importing configuration

Layer 3 function

ARP

ARP table aging

IPv4 / IPv6

Static routing

ECMP

ECMP;

Support the configuration of ECMP Max next-hop;

Support capacity balanced configuration;

Route policy

IPv4 prefix-list

VRRP

virtual router redundancy protocol

Routing Entry

13K

IP routing protocol

RIPv1/v2;

OSPFv2;

BGP4;

BGP supports Routing recursive ECMP;

Support to view the number of neighbors and up/down state

IS-ISv4

Switching features

Switching capacity

128Gbps

Packet forwarding rate

190.4Mpps

MAC address table

16K

VLAN

4K

Buffer

12M bit

Forwarding delay

<5us

Jumbo Frame

Support 10Kbytes

MDX/MIDX

Support

Watchdog

Support

Mechanical structure

Case protection

IP40

Installation method

Rack mountable

Dimension(W*D*H)mm

440*44*280mm 

Weight

5.2 kg

Operating environment

Operating temperature

-40℃~+75℃

Storage/transportation temperature

-40℃~+85℃

Relative humidity

Operation humidity: 10%-90%RH

Storage humidity: 5%-95%RH

Industrial Standard

EMS

Surge protection of power: IEC 61000-4-5 DC:6KV/6KV (8/20us)

Surge protection of Ethernet ports: IEC 61000-4-5  6KV/2KV（10/700us）

RS：IEC 61000-4-3 80 MHz-1 GHz：10 V/m

EFT：IEC 61000-4-4 power 4K, signal 2K

CS：IEC 61000-4-6 10V

ESD：IEC 61000-4-2  Contact: 8K；Air: 15K

EMI

FCC Part 15B Class A

Shock

IEC 60068-2-27

Free fall

IEC 60068-2-32

Vibration

IEC 60068-2-6

Certification

CE/FCC/RoHS

Warranty

5 years

DK3520MI-24TP4X-2BT

Layer 3 managed industrial PoE switch with 4*1G/2.5G/10GBase-X SFP+, 24*10/100/1000Base-T RJ45 PoE ports (1-2 ports support PoE++ 90W). Dual DC 44-57V input, rack mountable; Operation temperature -40°C to 75°C