
2-Port USB 3.0 KVM Switch - HDMI - 4K 60Hz
Quick-Start Guide
Product Diagram (SV231HU34K6/SV231DHU34K6)
Front View
11
*SV231HU34K6
1
Rear View
5
6/7
2 43
8 9
10
11
Firmware Upgrade
5
Port(s)
6 EDID Button(s)
7 EDID LED Indicator(s) • Indicates EDID Mode
8 HDCP Switch(es) • Control HDCP Mode
Console HDMI Output
9
Port(s)
10 PC 2 HDMI Input Port(s)
11 PC 1 HDMI Input Port(s)
12 Power Input Port
13 Console Audio Port
• Used to upgrade the Firmware. Use with
Firmware from StarTech.com only
• EDID Copy or Auto EDID from the Console HDMI
Display
• (SV231HU34K6) Connect the Console HDMI
Display
• (SV231DHU34K6) Connect to two Console HDMI
Displays
• (SV231HU34K6) Connect to an HDMI Port on PC 2
• (SV231DHU34K6) Connect to two HDMI Ports on
PC 2
• (SV231HU34K6) Connect to an HDMI Port on PC 1
• (SV231DHU34K6) Connect to two HDMI Ports on
PC 1
• Connect a DC 12V Power Source to power the
KVM Switch
• Connect an Audio Device (Stereo Speakers or a
Microphone)
12 141
Port Function
1 Console USB HID Ports
2 Console USB Hub Ports
Port Selection LED
3
Indicators
4 Port Selection Button • Press the Port Selection Button to select PC 1 or 2
13 15 16
• Connect up to 4 USB Human Interface Devices
(HID) (e.g. Keyboard, Mouse, Trackpad, Number
Keypad, Drawing Tablet)
• Connect up to 2 SuperSpeed USB 5Gbps (USB 3.2
Gen 1) Peripheral Devices
• Green: PC 1 and/or PC 2 connected (power on)
• Red: PC 1 or PC 2 selected (power on)
To view manuals, FAQs, videos, drivers, downloads, technical drawings, and more, visit www.startech.com/support.
17
*SV231HU34K6
2
14 PC 2 USB Port
15 PC 2 Audio Port
16 PC 1 USB Port
17 PC 1 Audio Port
• Connect to a SuperSpeed USB 5Gbps (USB 3.2
Gen 1) Port on PC 2
• Connect to an Audio Port (for Stereo Speakers or a
Microphone) on PC 2
• Connect to a SuperSpeed USB 5Gbps (USB 3.2
Gen 1) Port on PC 1
• Connect to an Audio Port (for Stereo Speakers or a
Microphone) on PC 1
Requirements
For the latest requirements and to view detailed instructions on all product functionality
in a full user manual, please visit:
www.startech.com/SV231HU34K6
www.startech.com/SV231DHU34K6
Manual Revision: April 4, 2022

Source PCs
• Computers (HDMI enabled) x 2
• HDMI Cables x 2 (SV231HU34K6), 4 (SV231DHU34K6)
• SuperSpeed USB 5Gbps (USB 3.2 Gen 1) Cables (Type-A Male to Type-B Male) x 2
• (Optional) 3.5 mm Audio Cables (Male to Male) x 2
Console
• HDMI Display(s) x 1 (SV231HU34K6), 2 (SV231DHU34K6)
• HDMI Cable(s) x 1 (SV231HU34K6), 2 (SV231DHU34K6)
• USB Keyboard x 1
• USB Mouse x 1
• (Optional) Audio Device (e.g. Headphones, Microphone, etc.) x 1
• (Optional) USB HID Devices x 2
• (Optional) SuperSpeed USB 5Gbps (USB 3.2 Gen 1) Peripheral Devices x 2
Installation
Connect the Console
1. Power o the HDMI Display and any Peripherals before connecting to the KVM
Switch.
2. Connect 1 (SV231HU34K6) or 2 (SV231DHU34K6) HDMI Display(s) to the Console
HDMI Output Port(s) on the rear of the KVM Switch.
3. Connect a USB Keyboard and a USB Mouse to the Console USB HID Ports on the
rear of the KVM Switch.
4. (Optional) Connect an additional USB HID Device to the remaining Console USB HID
Port on the front of the KVM Switch.
5. (Optional) Connect the Audio Device to the Console Audio Port on the rear of the
KVM Switch.
FCC Compliance Statement
This equipment has been tested and found to comply with the limits for a Class A 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
instructions, 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 o and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation. Changes or modications not expressly approved by StarTech.com could
void the user’s authority to operate the equipment.
Industry Canada Statement
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [A] est conforme à la norme NMB-003 du Canada.
CAN ICES-3 (A)/NMB-3(A)
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) This device may not cause interference, and (2) This device must accept any interference, including interference that may
cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation
est autorisée aux deux conditions suivantes:
(1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of thirdparty companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only
and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which
this manual applies by the third-party company in question. StarTech.com hereby acknowledges that all trademarks, registered
trademarks, service marks, and other protected names and/or symbols contained in this manual and related documents are the
property of their respective holders.
6. (Optional) Connect up to two SuperSpeed USB 5Gbps (USB 3.2 Gen 1) Peripheral
Devices to the Console USB Hub Ports located on the front and rear of the KVM
Switch.
Connect the PCs
1. Power o the Computer and any Peripherals before connecting to the KVM
Switch.
2. Connect 1 (SV231HU34K6) or 2 (SV231DHU34K6) HDMI Cable(s) from the HDMI
Port(s) on the Computer to the PC 1 HDMI Input Port(s) on the rear of the KVM
Switch.
3. Connect a SuperSpeed USB 5Gbps (USB 3.2 Gen 1) Cable (Type-A Male to
Type-B Male) from the USB-A Port on the Computer to the PC 1 USB Port on the
rear of the KVM Switch.
Note: A SuperSpeed USB 5Gbps (or better) Cable is recommended for optimal
performance.
4. (Optional) Connect a 3.5 mm Audio Cable from the Audio Port on the Computer
to the corresponding PC 1 Audio Port on the rear of the KVM Switch.
5. Repeat steps 1 to 4 for PC 2.
Operation
Power-On Sequence
1. Connect the Universal Power Adapter from a Wall Outlet to the Power Input Port
on the rear of the KVM Switch.
2. Power on all Peripherals.
3. Select PC 1 and power on the corresponding Computer.
Note: Ensure that the Computer connected to the PC 1 ports has fully booted to
the operating system before proceeding.
4. Repeat step 3 for PC 2.
Warranty Information
This product is backed by a two-year warranty.
For further information on product warranty terms and conditions, please refer to www.startech.com/warranty.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their ocers, directors, employees or agents)
for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of prots, loss of
business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the product.
Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the limitations
or exclusions contained in this statement may not apply to you.
Safety Measures
• If product has an exposed circuit board, do not touch the product under power.
Mesures de sécurité
• Si l’un des circuits imprimés du produit est visible, ne pas touchez le produit lorsqu’il est sous tension.
安全対策
• 製品に露出した状態の回路基盤が含まれる場合、電源が入っている状態で製品に触らないでください。
Misure di sicurezza
• Se il prodotto ha un circuito stampato visibile, non toccare il prodotto quando è acceso.
Säkerhetsåtgärder
• Rör aldrig vid enheter med oskyddade kretskort när strömmen är påslagen.
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Road
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