Full Gigabit Hi-PoE L2 Managed Switch KP-0402H4SMU

Overview

The KP-0402H4SMU from the Platinum series is designed to deliver unmatched hardware stability in critical networks. Layer 2 management allows full configuration via the web interface and console, and high PoE power (up to 90 W per port) makes it an ideal choice for powering heavy industrial equipment and power-hungry PTZ cameras. Stability in line with international standards, backed by the Platinum warranty, gives network managers peace of mind in demanding environments.

Technical specifications

Datasheet (PDF)

Model: KP-0402H4SMU

Interfaces

Total Port: 6 Ports
PoE Output (Max): 120 Watt
PoE Port Control: Realtek 8239B
Fast RJ45 PoE Port: N/A
Gigabit RJ45 PoE Port: 4 Ports Port 1~4 BT (Up to 90W)
Fast RJ45 Uplink Port: N/A
Gigabit RJ45 Uplink Port: N/A
Gigabit SFP Uplink Port: 2
Combo Uplink Port: N/A

Feature

Security: Access IP List IEE 802.1 X MAB (MAC Authentication Bypass) / Radius Server Authentication Port Security SSH & HTTPS Login

Hardware

Processor Type: Realtek Industrial Type
LED Panel: Data Activity, PoE Activity, Power Activity
Case: Metal Case
Mounting: Rackmount / Desktop
Main Board: Double Layer

General

Protection Rating: IP51
Web Language: English
Dimensions: 247*140*45 mm
Weight: 980 g
Storage Temperature: -20°C ~ +60°C / 10% ~ 90% RH
Operating Temperature: -15°C ~ +50°C / 10% ~ 90% RH
Radiation Electromagnetic: EN55016

Network Performance

Standard: IEEE802.3ab IEEE802.3af IEEE802.3at (Up to 30Watt) IEEE802.3az IEEE802.3bt IEEE802.3u IEEE802.3x
Protocols: CSMA/CD
Router: N/A
Speed: Ethernet 10Mbps (half duplex), 20Mbps (full duplex); 10BASE-T: 14,880bps/port Fast Ethernet 100Mbps (half duplex), 200Mbps (full duplex); 100BASE-TX:14,8800bps/port Gigabit Ethernet 1000Mbps (half duplex), 2000Mbps (full duplex); 1000BASE-TX: 1488000bps/port
Cabling: 1000Base-TX: Cat 6 UTP or above (100m) PoE=250M 100Base-TX:Cat 6 UTP(120m) PoE=250M 10Base-TX: Cat 5 or above (250m) PoE=250M
Bandwidth: 12Gb Internal Bandwidth
MAC Table: 64Kb
Auto MDI: Yes All Ports
Console: Yes - Web & RS232 Layer2 Managment (Telnet / SSH/ CLI)
Transfer Pattern: Store & Forward

PD`S

IP Camera: Yes
IP Phone: Yes
(+)5/4,(: Optional
(+)2/1,(: Yes

Power Supply

Power: 200~240V AC, 50~60Hz
Redundant: N/A
LED Power: Yes
Power Cable: Available

Guarantee

Product Guarantee: 3 Years Platinum Guarantee
MTBF: 100,000 hrs min. MIL-HDBK-217F (25°)

Downloads

Documentation

KP-0402H4SMU

DatasheetPDF382.2 KB

Download

Software and firmware

0402H4SMU-Hw1-Old-Menu

Version 03-KP-0402H4SMU-Hw1-Old-MenuIMG5.5 MBUpdated August 23, 2025

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Frequently asked questions

Questions about this product

How can I make my network switches more secure?

The key measures are using strong passwords, removing default accounts, keeping the firmware up to date, restricting access and segmenting the network logically.

Why does firmware matter for network switches?

Firmware is the software built into the product, and it can affect performance, security and compatibility. Always upgrade it with the correct file and follow the official instructions.

What should I do before upgrading the firmware on a network switch?

Check the exact model and the current firmware version, choose a compatible file and, if possible, back up the settings. A stable power supply and connection are essential during the upgrade.

Are network switches compatible with products from other brands?

It depends on which standards and protocols are supported. Basic compatibility may be available, but proprietary features cannot always be guaranteed.

What role do ONVIF and similar standards play in network switches?

Common standards like these are used to improve interoperability between equipment and software. However, you should also check the version and the exact features your project needs.

Frequently asked questions: Network Switches

Answers to common questions about this product line, from the KDT Help Center.

Where should I start when choosing the right network switches?

Start by defining the intended use, the number of devices, the installation environment, the capacity required and your plans for future expansion. Then choose the model and technical specifications based on what the project actually needs.

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Which technical specifications matter most for network switches?

Depending on the project, the most important specifications are capacity, speed, compatibility, environmental ratings, management features and scalability. Basing your choice on a single figure is usually not enough.

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Is a cheaper network switch model always the right choice?

No. The purchase price is only one factor. You also need to consider reliability, features, service life, after-sales service and maintenance costs.

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How do I work out how much capacity a switched network needs?

Base the calculation on the number of devices, actual usage, how long the system will be in use and how much the project is likely to grow. It is also wise to keep some capacity in reserve.

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Can network switches be upgraded later?

In many cases, some of the capacity or equipment can be upgraded. However, this depends on the product's architecture and its hardware limitations, so check before you buy.

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