DMP Electronics XR2500F - Manual (Page 10)

Digital Monitoring Products XR2500F Installation Guide
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IntRoduCtIon
1.7 LX-Bus™
You can connect the following devices to the LX-Bus™ provided by the DMP 481 (supplied) or by the 462N,
481, 462P, 463G, and 472 Interface Cards up to the maximum number of LX-Bus™ addresses. See Accessory
Devices.
• Model 521LX or 521LXT Smoke Detectors with CleanMe
• Sixteen-, eight-, four- and/or single-zone expansion modules
• Single-zone detectors
• Relay output expansion modules
• Graphic annunciator modules
1.8 Outputs
The XR2500F provides two pre-installed Model 305 Single Pole, Double Throw (SPDT) relay outputs, each
rated 1 Amp at 30 VDC (power limited sources only).
The XR2500F also provides four programmable open collector outputs rated for 30 VDC @ 50mA each. The
open collector outputs provide ground connection for a positive voltage source. A Model 300 Output Harness
is required to use these outputs and may be connected to a Model 860 Relay Output Module.
1.9 Relays
The XR2500F ships with two Model 305 Relays pre-installed to allow zone alarm control for the 866 NAC
Modules. When a fire alarm occurs the bell output is factory programmed to turn on and provide power to
the contacts of the relays. Specific zone programming determines whether one or both relays turn on signal
voltage to the 866 NACs. This allows control of the NACs by zone.
1.10 Zone Reference
The XR2500F has been pre-wired in the factory. The first 866 NAC module connects to Zone 1. The second
866 NAC module connects to Zone 2.
1.11 Compliance Instructions
For applications that must conform to a local authorities installation standard or a National Recognized Testing
Laboratory certificated system, please see the Wiring Diagrams for Notification Appliances and the Listed
Compliance Specifications section near the end of this guide for additional instructions.