ATEN 8-Channel Relay Expansion Box VK248-TAA Compliant

The VK248 8-Channel Relay Expansion Box provides an additional eight channels of relay output for a flexible expansion of the ATEN Control System. This allows users to control additional devices such as screen lifts, projector lifts, blinds, and other actuated equipment in environments where more devices are required. With the advanced feature set designed for reliability and ease of integration, VK248-TAA ensures that your AV control system scales without compromising performance or safety. The VK248-TAA is Trade Agreements Act (TAA) compliant, widening its applicability for government and enterprise installations that require compliant hardware. Built for professional environments, this expansion box is constructed from rugged materials and engineered to deliver consistent operation in control rooms, conference spaces, classrooms, and hospitality venues. Its compact, rack-mountable form keeps gear neatly organized in equipment racks while leaving room for future expansion. The VK248 adds modularity to your control system, making it possible to manage more devices from a single software interface, reducing complexity and increasing automation potential. By leveraging eight dedicated outputs, you gain precise, centralized control over critical actuators, enabling smoother presentations, more comfortable spaces, and improved energy efficiency through automation.

• Eight relay channels for expanded control of screens, projector lifts, blinds, lighting, and other actuated devices within ATEN Control System deployments.
• Seamless ATEN integration with the ATEN Control System software, enabling centralized automation, scene-based control, and scheduling across multiple zones from a single interface.
• Rugged, rack-mountable design with a compact footprint, built to endure frequent use in busy AV environments such as conference rooms, classrooms, auditoriums, and hotels.
• Clear visibility and reliable operation through independent channel status indicators and isolated relay contacts, helping technicians diagnose issues quickly without interrupting entire systems.
• TAA compliant and environmentally conscious hardware that meets procurement standards for government and enterprise installations, with RoHS compliance for reduced environmental impact.

Technical Details of VK248-TAA

• Channel count: 8 relay outputs for expanding the ATEN Control System’s capability to manage additional actuated devices.
• Relay type: Form-C (SPDT) contacts, providing normally open (NO) and normally closed (NC) options with a common (COM) for flexible wiring of actuators and devices.
• Control interface: Designed to integrate with the ATEN Control System network, enabling centralized command and status feedback across connected peripherals.
• Construction: Sturdy metal enclosure suitable for rack mounting in professional AV environments, optimized for quiet operation and long-term reliability.
• Compliance and safety: TAA compliant and RoHS compliant, aligning with procurement requirements and environmental standards for modern installations.
• Power considerations: Supported by an external power source appropriate for relay operation, as specified in the official product manual; wiring and power setup should follow standard ATEN installation practices.

How to Install VK248-TAA

Installing the VK248-TAA is designed to be straightforward for systems integrators who are familiar with ATEN Control System ecosystems. This expansion box is intended to plug into your existing ATEN control network and extend relay-based automation without requiring a major rework of your current configuration. Begin with a proper assessment of your rack space and confirm that the VK248-TAA will fit in the designated shelf or 19-inch rack. Ensure the control system is powered down before making any connections to avoid incidental triggering of actuators during installation. The following steps outline a typical installation workflow:

• Prepare the installation site: Clear the rack area, verify ventilation, and confirm access to the ATEN Control System backbone that will interface with the VK248-TAA. Have labeling tools ready to identify each relay channel for future maintenance.
• Mount the expansion box: Secure the VK248-TAA in the designated rack space using appropriate screws or fasteners, ensuring stable alignment with adjacent units and adequate air clearance for cooling.
• Connect control interfaces: Attach the VK248-TAA to the ATEN Control System network according to the product manual, using the recommended control cables and connectors. Verify that the control bus is properly terminated if required by your setup.
• Wire the relay outputs: Connect each of the eight relay outputs to the corresponding actuators (screen motors, lift controllers, blinds, etc.). Use the Form-C contacts to wire NO/NC pathways as dictated by your automation design, and label each channel for quick identification.
• Power and test: Connect the external power supply for relay operation as specified, power on the ATEN system, and perform a staged test of each channel. Confirm that each actuator responds correctly to software commands and that feedback indicators reflect accurate states.
• Configure in software: Open the ATEN Control System interface and incorporate the VK248-TAA into your automation scenes or schedules. Map each relay to the desired device action, set safety interlocks, and define shutdown behavior for power interruptions.
• Document and maintain: Save your configuration, document channel assignments, and establish a routine maintenance plan to monitor relay contacts and connector integrity over time.

Pro tip: When wiring eight channels, consider grouping actuators by space (e.g., one zone for presentation devices, another for environmental controls) to simplify troubleshooting and future upgrades. The VK248-TAA’s modular design allows you to incrementally expand capabilities without reworking your entire control strategy. If your installation requires stricter synchronization across multiple devices, you can create automation scenes that trigger several relays in concert, ensuring consistent, repeatable behavior during presentations or automated sequences.

Frequently asked questions

• Q: What is the VK248-TAA? A: The VK248-TAA is an eight-channel relay expansion box designed to extend the ATEN Control System, enabling control of additional devices such as screen lifts, projector lifts, blinds, and other actuated equipment. It is TAA compliant, suitable for government and enterprise deployments.
• Q: How many channels does VK248-TAA provide? A: It provides eight relay outputs, allowing eight separate devices or actuators to be controlled from a single ATEN control network.
• Q: What type of relay contacts are used? A: Each channel typically uses Form-C (SPDT) contacts, providing NO and NC options with a common, which offers flexibility in wiring actuators and ensuring reliable default states.
• Q: Do I need a separate power supply for VK248-TAA? A: Yes, the relay sections require an external power source as specified in the product manual. The control side interfaces with the ATEN system, but power to the relay coils comes from the external supply.
• Q: Is VK248-TAA compatible with all ATEN Control System models? A: VK248-TAA is designed to integrate with ATEN Control System ecosystems and is intended to be used with compatible ATEN software and control interfaces. Always verify compatibility with your specific software version and firmware before installation.
• Q: Is VK248-TAA suitable for government procurement? A: Yes. The VK248-TAA is TAA compliant, making it eligible for procurement in government and enterprise environments that require compliance with Trade Agreements Act standards.
• Q: What kind of environments is VK248-TAA best suited for? A: It is ideal for professional AV installations such as corporate conference rooms, classrooms, lecture halls, houses of worship, hotels, and entertainment venues where reliable, centralized relay control improves automation and user experience.