Lenkeng LKV441EX User manual

材质:157g铜版纸 骑马钉
尺寸：100x138mm
H22079英文说明书AH1 V2.0 ： 0106010022091

4X1 HDMI KVM Extender Switch
User Manual
The product name and brand name may be registered trademark of related
manufactures. ™ and ® may be omitted on the user manual. The pictures in
this user manual are just for reference. The terms HDMI, HDMI High-Definition
Multimedia Interface, and the HDMI Logo are trademarks or registered
trademarks of HDMI Licensing Administrator, Inc. We reserve the rights to make
changes without further notice to a productor system described herein to
improve reliability, function or design.
Disclaimer

· Important Safety Instructions
1. To prevent electric shock, please ensure that all devices are properly g
rounded.
2. Do not place this device near or over a radiator or heat register, or where
it is exposed to direct sunlight.
3. Place the device in a well-ventilated area, do not block any ventilation
openings.
4. Do not expose this device to rain or place it near water. Any liquid that goes
into the device may cause a failure, fire, or electric shock.
5. Do not place the device on an uneven or unstable surface. The device may
fall resulting in a malfunction.
6. Never insert anything metallic into the open parts of this device. This may
cause a danger of electric shock.
7. The device should be repaired only by a qualified technician.
8. If a third-party power supply is used, please ensure that the power supply
specifications meet the product requirements.
· Introduction
This is a 4-in-1-out ultra-high-definition KVM extender switch, comprises a
transmitting end and a receiving end. It supports 4 HDMI signal inputs and 1
HDMI signal output, the 4K@60Hz HDMI signal can be extended to 70 meters
through CAT6 or above network cable, the highest resolution is 4K@60Hz and
is backward compatible, supports KVM control. A variety of control methods
(IR remote control, button and RS-232) can easily switch the content of the 4
HDMI signal sources to the display. The product is widely used in security
monitoring, education and training, exhibitions and broadcasting, command
centers, etc.
2

· Package Contents
· Features
1. 4K@60Hz resolution and backwards compatibility
2. Support 4 HDMI signal input, and extend the HDMI signal to 70 meters
through CAT6 and above network cables
3. RJ45 output to transmit HDMI signals to receiver
4. Multiple switching modes: IR remote control, button, RS-232
5. Support KVM control signal passback
6. EDID passthrough and auto downscaling
7. HDR10 supported
8. Lightning protection, surge protection, ESD protection
· Installation Requirements
· Panel Description
1. HDMI source device (DVD, game console, set top box, PC, etc.)
2. HDMI display device like TV, projector with HDMI port
3. HDMI cable: Standard HDMI 2.0 cable (Support 4Kx2K@60Hz)
4. CAT6 and above network cable
1. Transmitter（TX）
43
Reset Press the reset key to restart the device
Power/Signal indicator
(orange)
Light off: no power
Slow flash (every 1 second): there is power, but
no HDMI signal
Quick flash (every 200ms): the HDMI signal is
connecting
Steady on: the HDMI signal is transmitting
KVM indicator (blue)
①
②RJ45 output Connect with CAT6/6A/7 network cable
③
④
Light off: the computer and the USB port have
not established a connection
Steady on: the computer and the USB port are
connected
Light flashing: the KVM data is transmitting
①② ③ ④
⑤⑦
⑥
Transmitter x1 Receiver x1 User manual x1
Power 5V1A x2 Remote Control x1
Mounting Ear x4
Screw x10
Grounding Screw x4
USB Type A to
Type B Cable x4
Terminal Block x1

DC 5V Connect with DC5V/1A power adapter
⑤
HDMI input Connect with HDMI source device⑥
USB (Type-B) Connect to the computer's USB ports with USB
cables
⑦
2. Receiver (RX)
5
Reset Press the reset key to restart the device
Switch button Press the button to switch the input of the
signal source
HDMI input indicator
KVM indicator (blue)
Light off: the keyboard/mouse and the USB
port have not established a connection
Steady on: the keyboard/mouse and the USB
port are connected
Light flashing: the KVM data is transmitting
⑤
①
②IR receiving window Receive IR signal
③
④
Corresponding to HDMI input 1, 2, 3, 4
respectively
⑦⑧ ⑨ ⑩
① ② ③ ⑤④ ⑥
Remote Control
"<" and ">" button, to choose channel forward or backward.
"1-4" number buttons, to choose any source device as you need
6
Power/Signal indicator
(orange)
Light off: no power
Slow flash (every 1 second): there is power, but
no HDMI signal
Quick flash (every 200ms): the HDMI signal is
connecting
Steady on: the HDMI signal is transmitting
⑥
DC 5V Connect with DC5V/1A power adapter
⑦
RS-232 For RS-232 command control⑧
RJ45 input Connect with CAT6/6A/7 network cable⑨
HDMI output Connect with HDMI display device
USB(Type-A) Connect with keyboard and mouse
⑩
· Installation and Connection
1. How to make a network cable, follow the standard of IEEE-568B:
1-white and orange 2-orange 3-white and green 4-blue
5-white and blue 6-green 7-white and brown 8-brown

7 8
· FAQ
Q: No image output?
A: 1) Check the power supply and make sure the power indicator is on.
2) Check if the HDMI cables connected well.
3) Check and make sure the TV has been set up to the right channel.
4) Make sure the network cable meets the standard and is properly
connected.
5) While connect with PC or laptop via HDMI, please make sure the output
mode is mirror or extend.
3. Connection Instructions
1）Connect the source devices to the HDMI input ports with HDMI cables.
2）Connect the display device to the HDMI output port with HDMI cable.
3）Connect the transmitter and receiver with CAT6 or higher network cable.
4）To use the KVM function, connect the mouse and keyboard to the USB
type-A port of the switch, while connecting the computer and the switch
with a USB Type A to Type B cable.
5）Power on the devices to get started.
Note: You can switch the signal source by pressing the switch button or use
the remote control.
4. RS-232 control
Baud rate: 9600
Data bits: 8
Stop character: 1
Parity: none
Restart the device
Reset\n
Restore factory setting
Recover\n
Query for status information
Displays the current status of HDMI input signal source, such as
Status：
Baud 9600
PS12R OK
Status\n
Set baud rate value:
9600 (default)
Baud XX\n
/
PS1XR\n
HDMI1
input
PS11R
HDMI2
input
PS12R
HDMI3
input
PS13R
HDMI4
input
PS14R
2. Connection Diagrams
PC4
HDMI Cable
USB Cable
Cat6/6A/7
HDMI Out
RS-232 Control Remote
control
Display
PC3 PC2 PC1
Mouse/Keyboard
USB
DC5V

109
Q: Picture quality is not fluent and stable?
A: 1) Please check and make sure all HDMI cables are connected well.
2) Try to connect the source device to display device directly, or change to
another source device for a try to see the picture quality.
3) Please use high quality HDMI standard cable when HDMI 4K signal input.
· Specification
Power consumption TX<4W RX<4W
Voltage/Current DC 5V/1A
HDCP compliance
HDMI 2.0 (HDR, YUV4:4:4)HDMI compliance
HDCP 2.2, and HDCP1.4
Transmission speed 18Gbps
Video bandwidth 600MHz
HDMI input x4
RJ45 port x1
3 pin（GND/RxD/TxD）, baud rate 9600
HDMI port
RJ45 port
RS-232
Transmission
Distance CAT6/6A/7
LPCM7.1/DTS-HD/DTS-Audio/Dolby
Digital plus/Dolby TrueHD 5.1/Dolby
Digital/Dolby Atmos
≤70m
≤40m: 4096x2160@24/25/30Hz,
3440x1440, 2560x1600, 2560x1440
480i@60Hz, 480p@60Hz, 576i@50Hz,
576p@50Hz, 720p@50/60Hz,
1080i@50/60Hz, 1080p@50/60Hz,
3840x2160@24/25/30/50/60Hz,
4096x2160@24/25Hz, 1280x960,
1280x800, 1280x768, 1680x1050,
1360x768, 1366x768, 1600x900,
1024x768, 800x600, 3440x1440,
2560x1600, 2560x1440, 1920x1200
HDMI resolution
Supports audio
formats
Power supply
Item Specification
HDMI
Performance
And Interface
Electrostatic
protection of the
whole machine
Electrostatic protection
1a Contact discharge level 2
1b Air discharge level 3 Implementation
of the standard: IEC61000-4-2
lightning protection, surge protection
Storage temperature
-20~60℃Working temperature
-30~70℃
Humidity
(no condensation) 0～90%RH
Protection
Lever
Operating
Environment
Material
TX：250(L) x 80(W) x 25(H)mm
RX：106(L) x103(W) x25(H)mm
Dimension
Iron
Color Black
Weight TX: 542g RX: 298g
Body
properties