Simplex 4098-9789 Addressable Detector Base

Description

The Simplex 4098-9789 Addressable Detector Base is a high-performance life-safety mounting interface engineered to provide secure placement and high-speed telemetry for intelligent fire detection sensors. Featuring built-in addressable micro-electronics, this premium round ceiling base continuously handles data evaluation and power routing for interchangeable TrueAlarm sensor heads. Manufactured from rugged, flame-retardant thermoplastic, the 4098-9789 serves as a high-reliability hardware foundation for addressable fire alarm loops in commercial, industrial, and institutional real estate layouts.

Technical Specifications Table

Integral Addressable Electronics & Splicing-Free Installation Design

The Simplex 4098-9789 Detector Base bypasses conventional wiring loops by incorporating intelligent addressable electronics right inside the base housing. Every four seconds, the base sweeps, digitizes, and transmits the sensor head’s analog metrics back to the central fire alarm control panel. By relying on native digital polling, the panel can continuously analyze environmental shifts, log peak activity, and implement automatic.

• Universal Footprint Interchangeability: Binds to the same universal base pattern, allowing maintenance teams to easily interchange standard smoke and heat sensors without altering the wiring.
• Flexible Circuit Topology: Supports supervised Class B “T-tapped” branch connections, which helps reduce installation labor, conduit volume, and material expenses.
• High-Visibility Status LED: Features an integrated clear light pipe that flashes sequentially during normal polling cycles and stays illuminated steady red to indicate alarms or system trouble.
• Locking Anti-Tamper Latch: Equipped with an internal mechanical security lock that stops unauthorized personnel or building occupants from tampering with or removing the sensor head.

Frequently Asked Questions (FAQ)

Q1: Why is the Simplex 4098-9789 model called a base “with connections”?
A: It features built-in captive screw terminal blocks, allowing installers to secure loop cables directly to the base plate instead of manually splicing pigtails wires.

Q2: Does this detector base require an external 24V auxiliary power run to operate?
A: No. The 4098-9789 is entirely loop-powered, drawing its operating voltage directly from the two-wire IDNet or MAPNET II signaling circuit.

Q3: What accessories can be wired to the terminals of this addressable base?
A: The terminals can support and power a downstream Simplex 2098-9808 remote red LED alarm indicator plate or an unsupervised 4098-9822 local relay module.

Q4: Where do technicians set the address code on this base?
A: The address is set via an integrated 8-position binary DIP switch array located on the front face of the base, easily accessible when the sensor head is detached.

Q5: What are the main backbox mounting requirements for a ceiling installation?
A: The mounting pattern attaches smoothly to standard 3.5-inch or 4-inch octagonal boxes, 4-inch square boxes, or standard single-gang electrical outlets with a minimum depth of 1.5 inches.

Q6: Is this base compatible with legacy fire panel networks?
A: Yes, it features automatic loop auto-selection, allowing it to interface with modern ES-series IDNet loops as well as legacy MAPNET II communication channels.

Q7: What is the primary build material and color of this detector component?
A: The shell is molded from high-impact, flame-retardant white thermoplastic engineered for lasting durability and is manufactured in Mexico.