SMART-AVI SKM-04-PRO User manual
4-Port KM Switch
with USB 2.0 Sharing
MANAGE KEYBOARD AND
MOUSE OPERATIONS
ON FOUR COMPUTERS
FROM A SINGLE WORKSTATION
WITH SUPPORT
FOR USB 2.0 SHARING
Quick Start Guide
USB
Signal Type USB 2.0, 1.1, and 1.0 w/ internal hub
CPU Ports (4) USB Type B (female)
User Control
Interface
(2) USB Type-A for KM connection only;
(2) USB Type-A for USB 2.0 transparent
CONTROL
Front Panel Buttons (SELECT audio/video source)
RS-232 Via control @ 115200 bps
Hot Keys Via keyboard
Mouse PASS Technology and Mouse Gesture
Switching
AUDIO
Input Interface (4) 3.5mm stereo audio
Output Interface (1) 3.5mm stereo audio
OTHER
Power Adapter External 100-240 VAC/12VDC2A@24W
Dimensions 12.57” W x 1.76” H x 6.69” D
Weight 4.2 lbs
Approvals UL, CE, ROHS Compliant
Operating Temp. +32 to +104°F (0 to +40°C)
Storage Temp. -4 to 140°F (-20 to +60°C)
Humidity 5 to 90% (No Condensation)
Emulation Keyboard and Mouse
NOTICE
The information contained in this document is
subject to change without notice. SmartAVI makes
no warranty of any kind with regard to this material,
including but not limited to, implied warranties of
merchantability and tness for particular purpose.
SmartAVI will not be liable for errors contained
herein or for incidental or consequential damages in
connection with the furnishing, performance or use of
this material.
No part of this document may be photocopied,
reproduced, or translated into another language
without prior written consent from SmartAVI
Technologies, Inc.
888.994.7427, 702.800.0005
2455 W Cheyenne Ave, Suite 112
North Las Vegas, NV 89032
SmartAVI.com
TECHNICAL SPECIFICATION
SKM-04-PRO
WHAT’S IN THE BOX
PART NO. Q-TY DESCRIPTION
SKM-04-PRO 1 4-Port KM Switch with USB
2.0 Sharing
PS5VDC2A 1 5VDC 2A Power Supply
Quick Start Guide 1
SYSTEM CONTROL
The SKM-04-PRO may also be controlled via RS-232
commands. To use these commands, you must use
HyperTerminal or an alternate terminal application.
The settings for the connection are as follows:
Baudrate 115200; Data Bits 8; Parity None; Stop Bits 1;
Flow Control None.
Once you have connected to the SKM-04-PRO via Serial,
you will see the SKM-04-PRO information when the device
starts up.
The following commands can be used for RS-232 with
available keyboard hotkeys:
CHART KEY
[CT] = Ctrl
<CR> = Carriage Return (Enter Key)
[SB] = Space Bar
1. Ensure that power is turned off or disconnected from the unit and the computers.
2. Use a USB cable (Type-A to Type-B) to connect a USB port on each computer to the respective
3. USB ports on the unit.
4. Optionally, connect a stereo audio cable (3.5mm to 3.5mm) to connect the audio output of the computers to the AUDIO IN
ports on the unit.
5. Connect a USB keyboard and mouse in the two USB console ports.
6. Optionally, connect stereo speakers to the AUDIO OUT port of the unit.
7. Power on the KM by connecting a 12VDC power supply to power connector.
8. Optionally, connect a redundant power supply to the secondary power connector for power failure protection.
9. Turn on all the computers.
Note: You can connect up to 4 computers to the 4 port KM.
HARDWARE INSTALLATION
Command HotKey RS-232
All USB [CT] [CT] [#] <CR> // m[#] <CR>
KM Only [CT] [CT] c[#] <CR> // c[#] <CR>
USB Only [CT] [CT] u[#] <CR> // u[#] <CR>
Reset Software [CT] [CT] r<CR> // r[#] <CR>
Factory
Defaults [CT] [CT] f<CR> // f<CR>
Get Port Status N/A // ?? <CR>
Switch resolution
Channel: 1-4
Resolution:
1 (1080p), 2
(4K), 3 (2K), 4
(720p
N/A
// ce [SB]
[SKM #] [SB]
[RES #]
Mouse control
speed (per
resolution type)
X and Y axes
set in percent
[0-500]
N/A
// mm [SB]
[RES #] [SB]
[X #] [Y #]
Get resolution/
mouse info N/A // rl <CR>
SKM-04-PRO Back Panel
SKM-04-PRO Front Panel
VIDEO
USB IN
USB K/M OUT
USB 2.0 OUT
AUDIO IN
AUDIO OUT
AUDIO USB
INPUT1INPUT2INPUT3INPUT4
AUDIO USB
AUDIO USB
AUDIO USB
AUDIO
K/MOUTUSB2.0
EXT
LAN
PW2
12VDC
PW1
SKM-04-PRO
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