This equipment has been tested and found to comply with the limits for a class B digital device, pursuant to part
15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in
a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instruction manual, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the
measures listed below.
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/television technician for help.
PACKING LIST
AS-21UA/AS-41UA 2 ports/4 ports USB switch
USB connection cable 2 or 4
User Manual
Warranty Card
The complete AS-21UA/AS-41UA 2 ports/4 ports USB package consists of:
Check to make sure that all the components are present and that nothing was damaged in shipping. If you
encounter a problem, contact your dealer.
Read this manual thoroughly and follow the installation and operation procedure carefully to prevent any
damage to the unit, and/or any of the devices that connect to it.
Hot Key Control......................................................................................................................................................................... 6
KVM switches can save money and human cost in multiple computer systems. Users need not to purchase a separate keyboard,
monitor and mouse for each computer. They allow users to access and control up to 2 (AS-21UA) or 4 (AS-41UA) computers
from a single USB keyboard, USB mouse, and monitor console. The setup is easy and there is not software to
configure, this lowers the difficulty of usage.
KVM AS-21UA / AS-41UA with audio supports control of 2 (AS-21UA) / 4 (AS-41UA) computers using a set
of keyboard, mouse, monitor and speaker. The console connection uses a set of PS2/ USB mouse, keyboard,
monitor with general VGA interface and a stereo speaker or earphone. It transfers keyboard and mouse data
between KVM and host with USB interface. It helps users to setup multiple computer system with lowest cost
and highest compatibility to save space and cost.
FEATURES
Be compatible with USB mouse.
Be compatible with USB keyboard.
Monitor pluggable with resolution up to 1920 x 1080
No need to configure any software. Be compatible with all operating system and platform.
LEDs display port status automatically.
Easy to switch ports with buttons on front panel and hot keys on keyboard.
Power supply by host and be independent of extra power supply.
INSTALLATION
:
Mouse interface
:
Keyboard interface
:
Monitor interface
:
Speaker interface
:
Host signal interface
:
Host audio interface
:microphone interface
1.Plug the mouse, keyboard, monitor and speaker into their respective port on console section.
2.Plug the signal cable of host and audio connector into their respective port on console panel.
3.Plug the USB connector of the other end of signal cable into USB interface on host, the VGA connector
4.Power on any host computer to supply power. You can access and control one computer after you switch to
All the connectors are on the rear panel. The rear panel is shown as following:
AS-21UA
AS-41UA
Before installing, please make sure that all the devices are power off, and then do the following:
into video card output interface and the audio connector into sound card output interface.
the port attached to it.
OPERATION
Panel Control
KVM switches and port status indication can be done by front panel. The front panel is shown as following:
AS-21UA
AS-41UA
Buttons on panel are selection buttons. Just press one button and then you can select the corresponding port.
Each button has left and right two LEDs indicating on line and selected status. The left indicates the on line
status. It lights if the corresponding computer is on line. The lower indicates the selected status. Since there is
only one port selected at one time, the only one LED lights to show that the corresponding computer is selected.
Hot Key Control
It also provides several particular switching hot key for convenience.
A: Ctrl + Ctrl + [Enter]: switch to the next adjacent port.
B: Ctrl + Ctrl + N: (N = 1-4) Switch to the specified port.
C: Ctrl + Ctrl + B + [0/1]: Buzzer sound switch control. 1 Buzzer sound on, 2 Buzzer sound off.
D: Ctrl + Ctrl + S: automatic port scanning.
E: Ctrl + Ctrl + I + [N] + [Enter]: Automatic port scan interval control. N = (5-999 seconds). Default 5
seconds.
F: Ctrl + Ctrl + M + [N]: The storage device switches to the specified port. N = (1-4 ports)
SPECIFICATIONS
Type
AS-21UA
AS-41UA
Computer connections
2
4
CPU port selection
Front panel switches/Hot key
Console
connector
Keyboard
2 x USB female
4 x USB female
Mouse
Video
1 x HDB-15 female
CPU
connection
Keyboard
2 x HDB-15 Female
4 x HDB-15 Female
Mouse
Video
Audio
3.5mm
Audio socket(pink/green color)
3.5mm
Audio socket (pink color)
LEDs
On line
2
4
Selected
2
4
Best video resolution
1280*1024 (1920*1080 (Max))
Power
DC5V, 400mW
Operating temperature
0˚C~50˚C
Storage temperature
-20˚C~60˚C
Housing
Metal
Weight
0.57 Kg
0.82Kg
Dimensions(L x W x H )
132 x 92 x 43 mm
202 x 110 x 43 mm
Please follow the directions below when installing, using and maintaining it in order to guarantee the device
When installing and operating the device, please make sure proper power supply first, and then do other
As signal and power transfer need custom cable, please use matched cable, unmatched cable may cause
Keep airy during operation to prevent high temperature.
Keep the device away from working long in wet environment to prevent short circuit.
Please do not open the device without permission of professionals.
SAFETY GUIDE
to work well.
operations after it is initialized.
system work improperly or even damage the device.
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.