<h2>Overview</h2>
<p>The <strong>Radionics D9112</strong> is a legacy fire alarm control/communicator panel manufactured by Bosch Radionics Inc. This equipment is designed for alarm system management, central station communication, and facility-wide protection coordination. Though discontinued by the manufacturer, the D9112 remains a capable platform for existing alarm installations requiring spare units or system integration.</p>
<h2>Key Features</h2>
<ul>
<li>Up to 246 separate points of protection on a single panel</li>
<li>Support for up to 8 separate programmed areas</li>
<li>Digital alarm communicator and transmitter capabilities</li>
<li>Programmable relay outputs for alarm bell and auxiliary functions</li>
<li>AC power failure detection and battery backup integration</li>
<li>Public telephone network registration for central station reporting</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li>Maximum protection points: 246</li>
<li>Programmable areas: Up to 8</li>
<li>On-board sensor loops: Points 1–8</li>
<li>Off-board point support: POPIT modules, D8128C OctoPOPITs, D8125 POPEX expanders</li>
<li>Weight: 2.99 lbs</li>
<li>Manufacturer: Bosch Radionics Inc</li>
<li>Status: Discontinued by manufacturer</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Fire alarm system control and monitoring</li>
<li>Central station communication for security events</li>
<li>Facility protection with multiple zones and areas</li>
<li>Alarm communicator and transmitter for emergency dispatch</li>
<li>Integration with existing Radionics D9000/D7000 series infrastructure</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Radionics D8128C OctoPOPIT modules</li>
<li>Radionics D8125 POPEX point-of-protection expanders</li>
<li>Radionics D9127/D8127 POPIT modules</li>
<li>D136 relay modules for terminal 7 operation</li>
<li>D192C indicating circuit modules</li>
<li>Public telephone network systems for central station reporting</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Radionics D9112 (original units for spare/replacement purposes)</li>
<li>Note: The D9412G has been designated as the manufacturer’s eventual replacement for the D9112 model line</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Radionics D9112 Program Entry Guide (part 74-06145-000)</li>
<li>9000 Series Program Entry Guide (part 74-07695-000)</li>
<li>Central Station monitoring protocols</li>
<li>Auxiliary, local, and remote station alarm modes</li>
<li>California State Fire Marshal approved configuration</li>
</ul>
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[“246-point fire alarm control/communicator with 8 programmable areas”, “Bosch Radionics legacy equipment – discontinued by manufacturer”, “New In Box condition with original packaging”, “Compatible with Radionics POPIT, POPEX, and relay modules”, “Digital alarm transmitter for central station reporting”]
