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21.5-inch 8-Port VGA KVM Control Platform

1920*1080 21.5" Scalable Remote IP VGA Switch

The KVM-21508HD is a standard rack-mountable 21.5-inch LED KVM switch that integrates display, keyboard, mouse, and switch control into a single unit. It supports local management of up to 8 servers and can be cascaded to expand to 64 units. The device delivers high-definition video output that is distortion-free, noise-free, and ghosting-free, and comes standard with a dedicated local expansion port.

1920*1080 21.5" Scalable Remote IP VGA Switch

    KVM-21508HD

  • Parameters

    KVM-21508HD

| Product Features:


1. All-in-One Integrated Design: Combines a 21.5-inch LED TFT LCD display, an ultra-slim silent keyboard, a high-sensitivity touchpad, and a switch into a single unit, saving cabinet space and simplifying cabling and maintenance.


2. High-Definition Display Performance: Supports resolutions up to 1920×1080 at 60 Hz, delivering true-to-life color reproduction and clear, stable images.


3. Convenient Installation Structure: The self-locking slide-out rails can be flexibly adjusted to fit cabinets of varying depths, allowing a single person to complete installation and removal.


4. Comprehensive Keyboard and Mouse Compatibility: Supports connection of a keyboard and mouse via dual USB ports and is compatible with mainstream devices such as optical mice, wireless mice, scroll mice, and mechanical mice.


5. Intelligent Switching Management


○ Supports three switching methods: OSD menu, panel buttons, and custom hotkeys


○ Automatically saves the keyboard’s current working state during switching, ensuring uninterrupted operations


○ Supports automatic scanning with a configurable cycle time of 5–255 seconds


6. Expansion and Compatibility


○ Supports cascading expansion; a single 8-port unit can manage up to 64 servers


○ Fully supports the DDC2B protocol; can detect and display device information even for channels that are not currently switched


○ Compatible with mainstream servers and industrial PCs from IBM, Dell, HP, Sun, Lenovo, Advantech, and Yanshang


○ Supports multiple operating systems, including Windows, Linux, CentOS, Kylin, and Ningsi




| Product Dimensions:

| Product Specifications:

model

KVM-21508HD

Number of controlled devices

8 computers; the cascaded switch can support up to 64 units

interface type

USB &VGA

switching mode

KVM OSD Menu, Shortcuts, Buttons

Hotkey Support

Provide multiple hotkeys (Scroll-Lock / Caps-Lock / Num-Lock / KVM OSD)

LCD

size

21.5-inch TFT LED display with a 16:9 aspect ratio


resolution ratio

1920*1080 @ 60HZ


Maximum Color

16.7M


luminance

250 nits (customizable for highlight display)


contrast ratio

1000:1


Show display surface type/Pixel spacing

476.064(W)×267.786(H) mm 16:9 / 0.297 x 0.297 mm

Keyboard/Mouse

Key 104: Ultra-thin silent keyboard with a touchpad featuring a scroll wheel

source

Power Adapter: 12V 3.33A

Actual power consumption of the entire device

Approximately 18 W

Material Technology

Environmental-friendly ROHS-compliant materials

Appearance Color

Black high-temperature spray painting dot application process (other colors can be customized)

Size (L x W x H)

695mm*465mm*44mm

Guideway pulling stroke

115MM

Total unfolding height

435MM

Product Weight

Net weight: 16.55 kg; Gross weight: 22.50 kg

Install the cabinet

800-1200mm

working temperature

0℃~60℃

storage temperature

-20℃~70℃

humidity

0%–80% RH (no condensation)

 

| Product Options:

KVM-21508HD

21508HD main unit; 8 pieces of 1.8M USB & VGA cables; 1 piece of 1.5M national standard power cable with adapter (1.5 m length).

 

Optional

The USB & VGA extension cable supports 3M,5M, or 10M speeds.


PS/2, USB, and VGA mixed cable


| List of Parts:

| Product Packaging:

21.5-inch 8-Port VGA KVM Control Platform
The KVM-21508HD is a standard rack-mountable 21.5-inch LED KVM switch that integrates display, keyboard, mouse, and switch control into a single unit. It supports local management of up to 8 servers and can be cascaded to expand to 64 units. The device delivers high-definition video output that is distortion-free, noise-free, and ghosting-free, and comes standard with a dedicated local expansion port.
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Service Hotline: 400 - 6360 - 586

Company Tel: 0769-22188826

Business Contact: Manager Hu

Phone / whatsapp:+86 19830660173

Email:hujingting861@gmail.com

Company Address: Room 1502, Chengxin Building W2, West Zone, Tian'an Shenchuang Valley, No. 178 Fenggang Section, Dongshen Road, Fenggang Town, Dongguan City, Guangdong Province

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Service Hotline: 400 - 6360 - 586

Company Tel: 0769-22188826

Business Contact: Manager Hu

Phone / whatsapp:+86 19830660173

Email:hujingting861@gmail.com

Company Address: Room 1502, Chengxin Building W2, West Zone, Tian'an Shenchuang Valley, No. 178 Fenggang Section, Dongshen Road, Fenggang Town, Dongguan City, Guangdong Province

ICP备案号180006020号-3

 

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Contacts
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Service Center
Contacts
Service Hotline
400-636-0586
Company Tel
0769-22188826
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