What is an HDMI KVM seamless switching network extender?
HDMI KVM seamless switching network extender is a device that combines the HDMI KVM seamless switcher and IP network cable extension function. It is generally composed of a seamless switcher with a sending function and a receiving end for outputting video. The middle is connected by a CAT5e/CAT6 unshielded network cable. The extension distance can reach up to 200 meters. It supports one-to-many display through a router or switch. The input end is connected to multiple computer hosts, and the receiving end is connected to the display. This time, we will take the 4-input 3-output HDMI KVM seamless switching network extender eKL-403HK as an example to give you a detailed introduction. The so-called 4-input 3-output means that it supports connecting to 4 computer hosts, and 3-output means that it can connect to 3 monitors, and it supports extended mode, that is, if the graphics cards of the 4 computer hosts each have 3 HDMI output interfaces.
HDMI KVM seamless switching network extender features
01. Compatible with mainstream operating systems Windows, Mac OS, Linux, etc., can connect 4 computer hosts with different operating systems.
02. Compatible with USB1.1 and USB2.0 devices, can connect keyboard, mouse, USB flash drive.
03. Support HDMI audio separation, can connect headphones, speakers, amplifiers, etc. through the 3.5mm headphone jack.
04. Support external 3.5mm audio input and output.
05. The maximum extension distance can reach 200 meters, and it supports one-to-multiple synchronous display of a single receiving end through IP expansion via routers and switches.
06. Support HDCP1.4, and the HDMI interface input and output resolutions support 1920x1080p 60Hz, 1920x1080p 30Hz and 720P 60Hz.
07. Supports automatic identification detection, automatic scanning, computer sleep wake-up and other functions when USB port is inserted.
08. No need to install drivers, plug and play, compatible with most common keyboards and mice.
09. Can be switched through keyboard hotkeys, panel buttons, infrared remote control, RS232 protocol and other control methods.
10. Support hot plugging, and you can directly plug or unplug cables and device components from the port without turning off the device power.
HDMI KVM seamless switching network extender input terminal specifications
HDMI/USB input cable: HDMI/USB2.0 A-B/1.5m double parallel cable
HDMI input/output resolution: 480i/576i, 720P 50/60Hz, 1080i 50/60Hz, 1080P 24/25/30/50/60Hz
HDCP compatibility: HDCP1.4
HDMI color depth: 1080P 60Hz 8/10/12-bit
HDMI video bandwidth/rate: 340MHz Rate: 10.2Gbps
HDMI video encoding compression format: H.264
HDMI video extension distance: CAT5E/CAT6 unshielded network cable extension 200 meters
L/R audio output format: LPCM 2.0
HDMI input video signal: 0.5~1.5Volts p-p
HDMI output DDC signal: 5Volts p-p (TTL)
Chassis power input: AC 100V-240V (50-60Hz) Maximum output: 5V/5A
Maximum operating current: DC 5V/3.5A
Working temperature: 0~40℃
Working humidity: 5~85%RH
Shell material: iron shell
Host size: 2U
Host weight: 0.52KG
HDMI KVM seamless switching network extender output end specifications
HDMI output: AWG26 HDMI standard cable 5~8 meters
Power adapter: Input AC100~240V (50~60Hz) Output DC5V/1A
Maximum operating current: 5V 550mA
Size: 100x96.8x29.35mm
Weight: 150g
HDMI KVM seamless switching network extender eKL-403HK keyboard hotkey switching and function table
| Switch hotkey: R'Ctr/L'Ctr/Scroll lock/Numlock/Capslock five switching hotkey modes | |
| Take R' Ctrl hotkey as an example: (default is R' Ctrl hotkey) | |
| Hotkey combination | Function description |
| Quickly double-click [R'Ctrl)]+1(or 4)+Enter | Switch to PC1 or PC4 |
| Quickly double-click [R'Ctrl)+B+Enter | Buzzer on and off |
| Quickly double-click [R'Ctrl]+T+Enter | Tracking function on/off |
| Quickly double-click [R'Ctrl)]+S+Enter | Automatic scanning function on/off |
| Quickly double-click [R'Ctrl)]+S+number key+Enter | Set automatic scanning time |
| Quickly double-click [R'Ctrl]+R+Enter | Enable one-time reset function |
| Quickly double-click [R'Ctrl]+L'Ctrl+Enter | Switch to LCtrl mode |
| Quickly double-click [R'Ctrl]+Scroll lock+Enter | Switch to Scroll lock mode |
| Quickly double-click [R'Ctrl]+Numlock+Enter | Switch to Numlock mode |
| Quickly double-click [R'Ctrl)+Capslock+Enter | Switch to Capslock mode |
| Quickly double-click [R’Ctrl]+R'Ctrl+Enter | Switch to R'Ctrl mode |
| Note: If the CTRL key is changed to ScollLock, NumLock and other mode function switching keys, they will become corresponding shortcut keys | |
HDMI KVM seamless switching network extender eKL-403HK RS232 communication table
| Serial port settings | 115200bps, 8-bit data, 1 stop bit, check code: None, hexadecimal |
| Enter 1 | 3030 3030 3030 3030 3030 |
| Enter 2 | 3030 3030 3131 3030 3030 |
| Enter 3 | 3030 3030 3232 3030 3030 |
| Enter 4 | 3030 3030 3333 3030 3030 |
| Enter 5 | 3030 3030 3434 3030 3030 |
| Enter 6 | 3030 3030 3535 3030 3030 |
| Enter 7 | 3030 3030 3636 3030 3030 |
| Enter 8 | 3030 3030 3737 3030 3030 |