SC&T VKM04 User manual

Smart Cabling & Transmission Corp. V1.0_1906121
V1.0_1906121
VGA Extender
User Manual
Model : VKM04
VGA KVM & USB, RS232 with Stereo Audio, IR CAT5e Extender
140M

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User Manual
VKM04
Introduction
VKM04 is a VGA extender that uses a cost-effective Ethernet cable to carry not only VGA signal but USB,
Stereo Audio, RS232, and IR ones with superior resolution and long transmission distance. You can easily
control a PC where is far away from you while having an additional VGA monitor alongside using the
loop-out port at TX unit. It is perfect for interactive digital signage, home network integration, industrial
control, hospital, education, and security fields.
Features
Resolution up to 1080p or 1920 x 1200@ 60Hz.
Signal extension up to 140M over CAT6, 120M over CAT5e.
Supports USB, bi-directional RS232, and Audio signals transmission.
Built in loop-out port at TX unit.
Built-in 4 USB ports at RX unit.
Installation view
(1) Connects VKM04T and VKM04R directly.

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User Manual
VKM04
(2) Works with optional model. SR01 for extra 140M over CAT6 cable, 120M over CAT5e cable.
Caution
1. It is recommended to use high quality CAT5e, CAT6 UTP/STP/FTP cable.
2. The transmission distance may be varied by the performance of input/output devices and installing
environment.
Panel Review
VKM04T VKM04R

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User Manual
VKM04
LED Indication Status
LED
LED color
LED status
Description
On
Green
Light
Power on
Link
Blue
Light
Linked
RJ45
Green
Flash
Data Transmitting
RJ45
Orange
Light
Connection Activity
RJ45 Pin Define
Link Cable (TIA/EIA-568-B)
1. Orange-white Data 1 +
2. Orange Data 1 -
3. Green-white Data 2 +
4. Blue Data 3 +
5. Blue-white Data 3 -
6. Green Data 2 –
7. Brown-white Data 4 +
8. Brown Data 4 -
DIP Switch &Button at the bottom
VKM04T
Switch /Button Function
↓
↑
1
Group
0
1
2
RS232
Normal
Reserved
VKM04R
Switch /Button
Function
↓
↑
1
Group
0
1
2
RS232
Normal
Reserve
Button 1
Function Switch
MAC, IP, Baud rate
Button 2
Baud rate setting
115200, 57600, 38400, 19200, 14400, 9600, 4800, 2400, 1200
Rotary DIP Switch
The rotary dip switch can be used to switch channel (0-F) to pair up devices.
1.The channel number of the TX and RX must be the same to connect each other, total
up to 32 (16 for each group) pairs could be setup at one switch.
2. Please reboot VKM04 after pairing.

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VKM04
RS232 Baud Rate Setting
Default Baud rate at 115200bps. You can change it by the following steps:
1. Press button 1 at the RX unit to select Baud Rate.
2. Press button 2 at the RX unit to select a wanted parameter.
3. Press button 1 at the RX unit again to confirm the change and finish the setting.
Audio
Transmitter
Analog audio
Input
Line In
Transmitter
Analog audio
Output
Line Out
Receiver
Microphone
Input
Mic In
Receiver
Analog audio
output
Line Out
Description
○○○○
Transmitter analog audio to receiver
analog audio
Receiver microphone to Transmitter
analog audio
(Monitor Mute)
○X X X Transmitter analog input to Monitor
output
X X X ○HDMI audio to Receiver analog audio
(support LPCM 2CH, monitor mute)
X
X
X
X
HDMI audio to Monitor audio output
○=connect audio connector, X =disconnect audio connector
※When the receiver's analog output (LINE OUT) connector or microphone input (MIC IN) connector have
been connected, the monitor sound will be turned off. (Mute).

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VKM04
Trouble Shooting
1. Max. data rate at 850Mbps. It is not recommend connecting VKM04 to existing LAN structure as the
large data amount might paralyze existing network.
2. Default EDID at 1080p, you can change resolution from AV source.
3. VKM04R analog audio input (MIC IN) is mono for microphone use only, not stereo audio (Line in)
4. Each USB port has maximum output power at 500mA, no greater than 1500mA for 4 USB ports in
total.
Package Include
VKM04T Transmitter x 1
VKM04R Receiver x 1
IR emitter cable x 1
Audio cable (3.5mm) 80cm x 1
VGA cable 90 cm x 1
DC 5V 2A power adapter x 2
USB type B to type A cable (150cm)

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User Manual
VKM04
Specification
ITEM NO. VKM04T VKM04R
Support
Compliance
USB 2.0, USB 1.1, USB 1.0
Max. Video Resolution
1920 x 1200 @ 60Hz
Max. Transmission Distance
140M over CAT6 or Greater
Ports & Interfaces
Video Input
1 x D-Sub 15 Pin Female
1 x RJ45
Video Output
1 x RJ45
1 x D-Sub 15 Pin Female
Video Loop-out
1 x D-Sub 15 Pin Female
Analog Audio Input 1 x (3.5mm) Stereo Phone Jack
(Line In)
1 x (3.5mm) Mono Phone Jack
(Mic In)
Analog Audio Output 1 x (3.5mm) Stereo Phone Jack
(Line Out)
1 x (3.5mm) Stereo Phone Jack
(Line Out)
USB Interface
1 x USB 2.0 Type B
4 x USB Type A
RS232 Interface
1 x DB9 Female
1 x DB9 Male
Power
Power Supply
DC 5V 2A
DC 5V 2A
Power Consumption
1000mA
400mA
Ambient Temperature
Operation
0 to 55
℃
Storage
-20 to 85
℃
Humidity
Up to 95%
Physical Characteristics
Dimensions
125 x 140 x 30mm
125 x 140 x 30mm
Weight
390g
385g