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8-Channel Relay Expansion Box


VK248
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  • An Ethernet-to-relay channel box ships with 8 channels of relay output
  • Supports Power over Ethernet (PoE) or DC power supply
  • Supports Telnet CLI (command-line interface) mode for third-party system integration
  • An expansion solution for connecting more relay channels to ATEN Control System
Good Design Award 2022
iF Design Award 2023
ControlSystem
ATEN Unizon

The VK248 provides Ethernet-to-relay channel connectivity with 8 channels of relay output. It allows users to remotely access relay devices from a PC or any system located anywhere. The complete Telnet CLI commands are fully integrated into users’ commercial and industrial applications.

What’s more, the VK248 serves as a flexible expansion box of the ATEN Control System, enabling users to control additional equipment, such as screens, projector lifts and blinds, through an ATEN controller in any environments where more devices are required. With the advantage of Ethernet-based connection, the expansion box can be easily connected to controllers via LAN connection from a variety of locations across a network.

Accessories:
*The power adapter for this product is sold separately. For more information about this accessory, see Accessories.

Package Contents

  • 1x VK248 8-Channel Relay Expansion Box
  • 1x Mounting Kit
  • 9x Terminal Blocks
  • 1x User Instructions
  • An Ethernet-to-relay channel box ships with 8 channels of relay output
  • Supports Power over Ethernet (PoE) or DC power supply
  • WebUI provides VK248 system information, including firmware upgrade
  • Supports IEEE 802.1x authentication protocol for enhanced network security
  • Supports Telnet CLI (command-line interface) mode for third-party system integration
  • An expansion solution for connecting more relay channels to ATEN Control System
  • Flexible deployment via Ethernet connection
  • Works with a connected ATEN controller with ID Switch through instant configuration
Interfaces
Relay• 8 normally open relays (8 x 2-pole terminal block)
• Contact Rating: Max 24 VDC, 2A
Ethernet• 1 x RJ-45 Female, 10/100Base-T
• Supported Protocol: ARP, ICMP, TCP/IP, DHCP, HTTPS, SSH
• DHCP-enabled. The following default IP settings will be used if no IP is assigned within 30 seconds:
IP: 192.168.0.60
Subnet Mask: 255.255.255.0
Switches
Controller ID1 x 16-segment Switch
Expander ID1 x 8-segment Switch
Reset Button1 x Semi-recessed Pushbutton
USB1 x USB Type A (Firmware upgrade only)
Power ConsumptionDC5V:2.82W:24BTU/h
DC48V:3.53W:27BTU/h

Note:
● The measurement in Watts indicates the typical power consumption of the device with no external loading.
● The measurement in BTU/h indicates the power consumption of the device when it is fully loaded.
Environmental
Operating Temperature0 – 50°C
Storage Temperature–20 – 60°C
Humidity0 - 80% RH, Non-Condensing
Power
Output12 VDC, 300 mA
Physical Properties
HousingMetal
Weight0.65 kg ( 1.43 lb )
Dimensions (L x W x H)20.00 x 7.58 x 4.20 cm
(7.87 x 2.98 x 1.65 in.)
NoteFor some of rack mount products, please note that the standard physical dimensions of WxDxH are expressed using a LxWxH format.

Datasheet

vk248-Channel-Relay-Expansion-Box-datasheet-en.pdf (986.67 KB)
DescriptionVer.Release DateFile Name
Firmware Upgradev3.8.3762025-05-22 vk248-v3.8.376.zip
Firmware Upgradev3.6.3552023-10-26 vk248-v3.6.355.zip
Firmware Upgradev3.4.3342023-03-28 vk248_v3.4.334.001.zip
Firmware Upgradev3.4.3332022-12-27 vk248_v3.4.333.001.zip
Firmware Upgradev3.1.3022021-12-02 vk248_v3.1.302.002.zip
Firmware Upgradev3.0.2942021-05-25 vk248_v3.0.294.002.zip
Firmware Upgradev2.8.2712020-11-13 vk248_v2.8.271.zip
Firmware Upgradev2.6.2542020-02-12 vk248_v2.6.254.001.zip
Firmware Upgradev2.6.2532020-01-17 vk248_v2.6.253.004.zip
Firmware Upgradev2.2.2132019-04-22 vk248_v2.2.213.001.zip
Firmware Upgradev2.1.2042017-12-08 vk248_v2.1.204.zip
Firmware Upgradev2.0.1912016-12-06 vk248_v2.0.191.zip
OSDescriptionVer.Release DateFile Name
ATEN Certified Drivers
Drivers for ATEN Control System
Search for drivers
Firmware Upgrade Tool
Firmware upgrade toolv1.2.1142025-05-05 FirmwareUpgradeTool-Setup-v1.2.114.zip
Firmware upgrade toolv1.2.1132021-12-21 FirmwareUpgradeTool_Setup_v1.2.113.zip
Firmware upgrade toolv1.1.1062018-01-09 FirmwareUpgradeTool_Setup_v1.1.106.zip
Firmware upgrade toolv1.1.1042017-10-18 FirmwareUpgradeTool_Setup_v1.1.104.zip
Firmware upgrade toolv1.0.0662016-12-09 FirmwareUpgradeTool_Setup_V1.0.066.zip
IP Installer & Utility
IP Installerv1.4.1322014-09-23 IPInstaller_v1.4.132.zip
AMX® Module *v1.02023-03-14 AMX-Module-for-ATEN-Control-System-v1.0.zip
Crestron® Module *v1.02023-03-14 Crestron-Module-for-ATEN-Control-System-v1.0.zip
* The information contained is the property of ATEN International Co. LTD or their respective owners. All rights reserved. AMX is a trademark and a brand name of HARMAN International. Crestron is a trademark of Crestron Electronics, Inc., registered in the U.S. and other countries and regions. Any other brand names or marks are used for compatibility description only and are trademarks or registered trademarks of their respective owners.
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