Comelit
SKU: 1256
Comelit 1256 Simplebus Network Relay
Wall-mounted network relay for Comelit Simplebus control systems
Overview
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Overview
Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The Comelit 1443 is a network relay module designed to distribute and manage signal routing within Comelit VIP intercom systems. Operating on standard 802.3af PoE (under 13W), this device eliminates the need for separate power infrastructure — a practical advantage when retrofitting multi-zone access control or intercom deployments across distributed buildings. The 1443 integrates directly into networked video surveillance and door control architectures where relay expansion is required without running additional AC power runs.
The 1443 integrates natively with Comelit's VIP intercom platform — door stations, video monitors, and access controllers communicate directly with this relay over IP. No protocol translation or third-party middleware required. Operates on any 802.3af-compliant PoE switch or injector; verify your switch has sufficient power budget (typically 15.4W per port for PoE) if deploying multiple relays. The device is suitable for installation in network closets, equipment racks, or wall-mounted enclosures where cable runs to intercom endpoints are under 100 meters (330 feet) of Cat5e/Cat6 Ethernet.
If you're standardizing on a network video recorder for centralized logging of intercom video, the 1443's 2MP output integrates directly into ONVIF-compliant VMS platforms via standard IP protocols. This avoids proprietary capture cards or specialized software plugins.
If your Comelit deployment requires relay expansion with integrated analog audio conferencing or higher-resolution video capability (4MP or above), consult the broader Comelit catalog for variants with enhanced feature sets. The 1443 is optimized for straightforward signal distribution — not multimedia processing or edge analytics.
Q: Can the Comelit 1443 operate over PoE injectors instead of a PoE switch?
A: Yes. Any 802.3af-compliant PoE injector or midspan device will power the 1443. Ensure the injector is rated for at least 15.4W output to account for cable losses.
Q: Does the 1443 require a dedicated network VLAN for intercom traffic?
A: No, but network segmentation is a best practice for security and QoS. The 1443 operates on standard IP subnets — coordinate VLAN assignment with your IT team if your facility enforces network isolation policies.
Q: What is the maximum cable run from the 1443 to a door station?
A: Standard Ethernet distance limits apply — up to 100 meters (330 feet) of Cat5e or Cat6 without signal degradation. Longer runs require powered repeaters or optical fiber converters.
Q: Can the 1443 integrate with non-Comelit door controllers?
A: The 1443 is purpose-built for Comelit VIP intercom systems. Compatibility with third-party access control platforms is not supported — consult Comelit engineering if cross-brand integration is required.
Q: Is the 1443 suitable for outdoor mounting?
A: The relay itself is a network module intended for indoor equipment racks or wall-mounted enclosures. Outdoor door stations and video intercoms connect to the 1443 via Ethernet — they are separate products with environmental ratings.
The Comelit 1443 is a focused, no-frills relay node — not a video camera or analytics appliance. Its job is signal distribution, and it does that cleanly within the Comelit VIP ecosystem. The PoE power model is the real win here: you avoid running 24VDC power or AC wiring to every relay point across a multi-building campus, which cuts labor costs and simplifies future troubleshooting.
Technical Highlights:
Deployment Considerations:
Deploy the 1443 in warehouse or logistics operations where you have multiple loading docks or security checkpoints spread across a single building complex. It centralizes intercom relay logic, lets you manage door access from one location, and keeps the network bill low because you're not pulling dedicated power to five different wings.
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