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TRENDnet 4-Port USB/PS/2 KVM Switch Kit with Audio (TK-423K)

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TRENDnet 4-Port USB/PS/2 KVM Switch Kit with Audio

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The 4-Port USB PS/2 KVM Switch Kit with Audio (TK-423K) provides control of 4 computers/servers with just one set of console controls.
  • MacMall Part #: 7475827 
  • Manufacturer Part #: TK-423K 
  • UPC: 0710931304404 
  • Platform: Universal 

The 4-Port USB PS/2 KVM Switch Kit with Audio (TK-423K) provides control of 4 computers/servers with just one set of console controls. Manage 4 computers that have open VGA and PS/2 ports at the touch of a button with one set of PS/2 or USB keyboard and mouse, VGA monitor, microphone and speakers. No need for additional cabling, all required cables are included. Independent audio/mic and PC port selection provide additional flexibility. LED indicators show connection status and a buzzing sound confirms port switching. With Hot-Plug, Auto-Scan and Hot-Key operating features, this versatile device is the perfect choice for managing 4 computers/servers.


– Manage up to 4 computers/servers with one set of console devices
– All required cabling included
– Cables from the KVM switch to the computers/servers feature VGA and PS/2 connectors
– Supported console connections are as follows: PS/2 or USB keyboard and mouse ports, VGA monitor port and speaker/mic port
– Audio and microphone support
– Audio/mic port selection may be independent of keyboard, video and mouse port selection
– Control computer/server selection with front push buttons and keyboard hotkeys
– Supports Universal Host and Open Host Controller Interface (UHCI/OHCI)
– Multiple platforms supported: Windows 98, XP, Vista, Mac, Linux and more
– Port switching confirmed by LED status indicators and audio tone
– High quality VGA resolution up to 2048 x 1536


– Management: 4 computers
– PC selection: Hotkey/ push button
– LED: 2 LED
– Auto Scan Interval: Programmable 5-99 seconds
– VGA Resolution: 2048 x 1536
– Power Adapter: 9V DC 1A external power adapter

PC Port Connection:

– 4 x USB type B
– 4 x VGA HDB 15-pin female
– 4 x 3.5mm audio in/out jack
– 4 x 3.5mm microphone in/out jack

Console Port Connectors:

– 2 x USB 1.1 type A for keyboard/ mouse
– 1 x PS/2 keyboard 6-pin mini DIN female
– 1 x PS/2 mouse 6 pin mini DIN female
– 1 x VGA HDB 15 pin female
– 1 x 3.5mm audio in/out jack
– 1 x 3.5mm microphone in/out jack

KVM Cables:

– 4 x KVM Multiple Connection Cable
– 4 x KVM Audio/Microphone Cable

Cable Interface:

– 1 x VGA 15 pin male to male connector
– 1 x USB type A connector
– 1 x PS/2 Connector (Keyboard connector)
– 1 x USB to PS/2 Gender Connector (Support for PS/2 Mouse)

Technical Specs

Device Type KVM / audio switch - 4 ports
Enclosure Type Desktop
Subtype KVM
Ports 4 x KVM / audio
KVM Local Users Qty 1 local user
Keyboard / Mouse Interface PS/2
Max Resolution 2048 x 1536
Status Indicators Port status, power
Expansion / Connectivity
Interfaces 4 x USB - Type B ¦ 4 x VGA - HD-15 ¦ 4 x audio - mini-jack ¦ 4 x microphone - mini-jack ¦ 2 x USB - Type A ¦ 1 x keyboard (PS/2) ¦ 1 x mouse (PS/2) ¦ 1 x VGA - HD-15 ¦ 1 x audio - mini-jack ¦ 1 x microphone - mini-jack
Power Device External power adapter
Cables Included 4 x keyboard / mouse / video cable ¦ 4 x audio cable
Compliant Standards Plug and Play, FCC, RoHS
Dimensions & Weight
Width 10 in
Depth 4.6 in
Height 1.8 in
Weight 2.2 lbs
Manufacturer Warranty
Service & Support 2 years warranty
Service & Support Details Limited warranty - 2 years
Environmental Parameters
Min Operating Temperature 32 °F
Max Operating Temperature 104 °F
Humidity Range Operating 0 - 90%
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TRENDnet 4-Port USB/PS/2 KVM Switch Kit with Audio (TK-423K)

The 4-Port USB PS/2 KVM Switch Kit with Audio (TK-423K) provides control of 4 computers/servers with just one set of console controls.

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