ATEN CS1798-AT-G – 8-Port USB HDMI/Audio KVM Switch
A professional solution for centralized management of up to 8 HDMI-based systems from a single console, with the ability to cascade up to 512 machines. Ideal for server rooms, laboratories, NOC/control rooms, and environments where optimizing space and reducing cable complexity are critical.
Functional description
ATEN CS1798-AT-G is an 8-port USB HDMI/Audio KVM switch that allows control of up to eight computers from a single console (HDMI monitor, USB keyboard, and USB mouse). By cascading up to three levels, a single operator can manage up to 512 systems. The device is designed for professional rack-mount integration (1U, metal enclosure) and delivers stable HDMI video, reliable switching, and multi-platform compatibility.
Key advantages for professional use
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Consolidated management – ideal for server rooms, test labs, control rooms, and multi-system environments.
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Multi-Display mode – supports stacking up to 8 units when computers use multiple video cards, enabling simultaneous monitoring of multiple systems.
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Stable HDMI video – Video DynaSync™ eliminates switching issues and ensures optimal resolution up to 1920 × 1200 @ 60 Hz.
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Integrated USB 2.0 hub – for flash drives, printers, and other peripherals accessible from the active computer.
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Independent KVM and USB focus switching – allows working with peripherals on one machine while viewing another.
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Broadcast Mode – perform simultaneous operations across multiple computers (installations, updates, shutdown).
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OSD Backup/Restore – quick restoration of configurations when replacing or expanding the system.
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HDMI + Audio – supports 2.1-channel audio with console audio ports on the front panel.
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Multi-platform support – Windows, Linux, Mac, Sun; supports special keyboards (Mac/Sun).
Technical specifications
General
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Device type: 8-port USB HDMI/Audio KVM switch, 1U, metal enclosure
Maximum number of computers controlled:
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Direct: 8
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Cascaded (3 levels): up to 512
Console ports
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1 × HDMI
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2 × USB Type-A (keyboard/mouse)
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2 × 3.5 mm audio jacks (headphones/microphone – front/rear panel)
KVM ports to computers
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8 × HDMI
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8 × USB Type-B
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8 × 3.5 mm audio jacks
USB hub
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2 × USB 2.0 Type-A (front and rear panel)
Video
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Supported resolutions: up to 1920 × 1200 @ 60 Hz, 1080p
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Widescreen support
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HDMI and HDCP compliant
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Video DynaSync™ for optimal switching
Control and functions
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Port selection: OSD, hotkeys, front panel pushbuttons
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Auto Scan mode with adjustable interval: 1–255 s
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Broadcast Mode
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OSD Backup/Restore
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Independent KVM and USB focus switching
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Multi-Display mode when stacking units
Audio
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2.1-channel audio support
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Console audio ports on the front panel
Platforms
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Windows, Linux, Mac, Sun
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Support for Mac/Sun keyboards
Dimensions and weight
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Dimensions: approx. 432.4 × 257.2 × 44 mm (W × D × H)
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Height: 1U
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Weight: approx. 4.6 kg
Power
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Input: DC 5 V
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Power consumption: approx. 5.8–12 W
