DMP CX-702 PIR Motion Detector
Overview
The DMP CX-702 is a passive infrared (PIR) motion detector designed for perimeter and interior intrusion detection in wired security systems. With a 70' x 70' detection coverage area, it delivers reliable motion sensing across warehouses, commercial buildings, and residential properties. The sensor operates on 12VDC power and integrates directly into DMP control panels and compatible wired alarm systems, making it a straightforward addition to existing intrusion architectures without requiring separate power infrastructure.
Key Features
- 70' x 70' Detection Coverage: The sensor's coverage footprint means you can monitor a roughly 4,900 sq ft perimeter zone with a single unit — a practical benefit when you're trying to minimize the number of sensors needed across a large facility and keep wiring complexity down.
- 12VDC Operation: Draws low current and integrates into standard 12V auxiliary power loops on DMP panels, eliminating the need for separate power supplies or PoE infrastructure. Simplifies installation in retrofit scenarios where power backbone is already in place.
- Passive Infrared Technology: Detects motion by sensing changes in thermal energy rather than requiring active illumination. This makes the sensor invisible to end users and reduces false alarms from environmental light changes, though it can trigger on pets or HVAC drafts — be prepared to recommend pet immunity models if that's a concern in the deployment.
- Wired Intrusion Panel Integration: The CX-702 connects via standard dry-contact or supervised alarm loops to DMP (and compatible third-party) control panels, avoiding the latency and potential IP network vulnerabilities of wireless sensors. Ideal for high-security or critical infrastructure where hard-wired reliability is non-negotiable.
- Commercial & Residential Rated: Designed for both commercial security applications (warehouses, retail, offices) and residential use, so it works across diverse deployment contexts without certification overlap issues.
- Standard Mounting: Uses conventional wall or corner-mount installation practices — no specialized brackets or firmware updates required. Typical mounting height is 6–8 feet, and the lens orientation determines the detection pattern.
Integration & Compatibility
The CX-702 (often searched as CX 702) pairs with DMP control panels through standard wired alarm loops. If you're upgrading or expanding a legacy intrusion detection system, verify that your panel supports the CX-702's loop type — supervised or unsupervised — before ordering. Most DMP panels support both, but older models may require a loop expander module.
For hybrid deployments mixing wired and IP sensors, consider a gateway device that bridges 12VDC wired sensors to your central monitoring station's IP backbone, ensuring you don't create isolated islands of sensors that bypass your main VMS or recording infrastructure.
When to Choose a Different Model
If your facility requires wireless sensors to avoid the cost of running wiring through walls or conduit, or if you need advanced analytics like cross-line detection or counting, consider a different sensor family in the DMP product line. The CX-702 is purpose-built for traditional wired deployments; it doesn't offer wireless variants or on-sensor intelligence. If you're deploying exclusively IP-based cameras with on-board analytics, a wired PIR may feel like a step backward — in that case, evaluate IP motion sensors designed for network-native architectures.
Frequently Asked Questions
Q: Can the CX-702 be installed outdoors?
A: The CX-702 is rated for interior and controlled perimeter use. For exposed outdoor mounting in rain, snow, or high-humidity environments, confirm environmental sealing with the manufacturer or consider a dedicated outdoor PIR variant.
Q: What's the maximum wire run length from the panel to the CX-702?
A: Standard alarm-grade twisted-pair copper wiring supports runs up to 500–750 feet depending on loop resistance and panel specifications. Beyond that, loop extenders or repeater modules may be required — consult your panel's documentation.
Q: Does the CX-702 have adjustable sensitivity?
A: Most PIR sensors in this class include a sensitivity potentiometer accessible after opening the sensor housing. This allows field tuning to reduce false alarms from pet traffic or air movement, though it requires a site survey and test period to dial in correctly.
Q: Is the CX-702 compatible with wireless repeaters?
A: No — the CX-702 is a wired sensor. It does not transmit wirelessly and cannot be paired with RF repeaters. For wireless expansion, you would need DMP's wireless PIR product line.
Q: What's the warranty period on the CX-702?
A: Warranty terms are available from DMP's technical documentation. Verify directly with the manufacturer or your specialty distributor for current coverage details.
Ted PerryPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
The DMP CX-702 is a no-frills, hardwired PIR that belongs in installations where simplicity and long-term reliability outweigh feature density. Its 70' x 70' footprint is honest — it covers the area claimed without requiring calibration tricks or firmware updates. If you're integrating into an existing DMP panel ecosystem, the CX-702 fits seamlessly into your 12VDC loop architecture without complicating your power budget or creating network dependencies.
Technical Highlights:
- 70' x 70' Coverage Envelope: Covers roughly 4,900 sq ft per sensor, reducing sensor density and wiring complexity in large warehouses or perimeter applications. Real benefit: fewer sensors means fewer false alarm callbacks and simpler commissioning.
- 12VDC Power Draw: Low-current design integrates into existing auxiliary power loops on DMP panels without requiring separate power supplies, PoE infrastructure, or auxiliary circuit breakers. Keeps installation costs down in retrofit scenarios.
- Passive Infrared Detection: No active illumination means the sensor is invisible in operation and unaffected by ambient light changes. Trade-off: susceptible to fast thermal transients (HVAC blasts, direct sunlight through windows) and larger animals, so site survey is essential.
Deployment Considerations:
- PIR sensors are thermal-based and inherently susceptible to false alarms from air conditioning vents, direct sun exposure through glass, and animals over roughly 10 pounds. Budget for a 1–2 week commissioning and sensitivity tuning phase, especially in high-traffic or climate-controlled warehouses.
- Wired sensors introduce single points of failure at the panel loop level. If a loop is cut or shorts, that entire perimeter zone goes silent. Dual-loop or redundant sensor strategies are advisable for critical facilities — discuss with your integrator.
- The CX-702 does not offer IP network connectivity, analytics, or cloud reporting. It is purely a motion-sensing relay. If you need real-time IP alerts or integration with a modern VMS, you'll need a separate gateway or IP-capable replacement.
Best suited for traditional security integrators maintaining legacy DMP panel deployments and new commercial installations (warehouses, retail, light manufacturing) where wired reliability is the priority and upfront simplicity is more valuable than feature richness. It is not the right choice for IP-native or fully wireless security strategies.
