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SC42PHU-4 

SC42DHU-4 

QUICK INSTALLATION GUIDE

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All other marks are the property of their respective owners. Images for demonstration purposes only.  

HDC20601 Rev.1.0

Installation:

Verify that all peripherals and computers 
are turned OFF prior to connecting them to 
the product.

Connect the computers and peripherals to 
the HSL Combiner as shown in the above 
diagram.

It is possible to connect an HSL AFP (remote 
control) to the RDC port of this device. 
Please refer to the AFP datasheet for 
information on how to connect it.

Power ON the monitors and the PCs:  

Make 

sure that the monitors and the connected 
PCs are turned ON prior to powering ON 
the Combiner.

Power ON the system

: Power ON the 

Combiner by plugging it to the AC wall 
outlet . Boot time of the KVM Combiner is 
about 40-60 seconds
By default, after product power-up, the 
active channel will be computer #1, 
indicated by the applicable front panel 
push button LED lit.

NOTE :

HSL devices covered by this manual 

include a special DP/HDMI connector, enabling 
the user to use the product with both video 
formats as input and output.

NOTE :

In models supporting fUSB, it is possible 

to connect additional USB devices and use them 
on the host PCs. By default, authentication 
devices such as CAC readers, smart card 

readers, and biometric readers are enabled. It is 
possible to enable other USB devices. Please 

refer to HSL’s administrator manual on how to 

enable additional USB devices.

EDID Acquisition

The HSL KVM combiner has a fixed EDID file 
which is transmitted to all connected PCs. At no 
point will the actual connected display EDID be 
transferred to the connected PCs.

Combiner Rear Panel LED Indications:

HID LEDs

:

Off 

no device detected

Flicker 

device rejected

On- device approved

Front Panel LEDs Index:

1.

fUSB freeze indication LED - On when fUSB freeze 
activated on that channel 

2.

Active PC channel LED

3.

Audio freeze indication LED 

On when audio freeze 

activated on that channel 

4.

fUSB freeze button active LED

5.

Audio freeze button active LED

6.

Keyboard LEDs Num/CAPS/SCRL

Summary of Contents for SC42PHU-4

Page 1: ...4 device For further assistance please refer to HSL website http www highseclabs com Objectives Installation Precautions Do not connect this product to computing devices that Are TEMPEST computers Include telecommunication equipment Include frame grabber video cards Include special audio processing cards WARNING Peripherals Warning For security reasons this product does not support wireless keyboa...

Page 2: ...er 1 indicated by the applicable front panel push button LED lit NOTE HSL devices covered by this manual include a special DP HDMI connector enabling the user to use the product with both video formats as input and output NOTE In models supporting fUSB it is possible to connect additional USB devices and use them on the host PCs By default authentication devices such as CAC readers smart card read...

Page 3: ...0 single display default L CTRL L CTRL F11 s 1 clone display L CTRL L CTRL F11 s 2 extended display Please see below a diagram of each mode of operation on one and two displays Full Screen layout Single Clone in Extended mode the second screen will show the remaining 3 channels in Quad mode Quad layout Single Clone Scale layout Single Clone in Extended mode the second screen will show the remainin...

Page 4: ...sconnect for removing power to this product For products that have more than one AC inlet to remove power completely all AC line cords must be disconnected This product has no serviceable parts inside the product enclosure Do not open or remove product cover CAUTION Some HSL products contain a lithium battery This battery is not a field replaceable item and replacement should not be attempted by a...

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