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  • DMP 712-8 Zone Expansion Module

    DMP

    SKU: 712-8

    DMP 712-8 Zone Expansion Module

    8-zone expansion module for DMP panel systems at 15VDC

    • Adds 8 supervised burglary zones to a DMP panel without replacing or redesigning the system.
    • Plug-in module slot with dip switch addressing keeps installation compact and wiring minimal.
    • Pre-installed EOL resistors enable immediate zone supervision straight out of the box.
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  • DMP 716 Output Expansion Module (view 2)
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    DMP

    SKU: 716

    DMP 716 Output Expansion Module

    15VDC relay expansion for multi-door access control without main panel swap

    • DMP output expansion module adds switched outputs to control panels
    • 15VDC native DMP platform power - no aux supply required
    • Modular expansion drops into existing DMP electrical closet wiring
    $151.00 $76.99 Save $74.01
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  • DMP 716T Plug-In Screw Terminal Module - Image 2

    DMP

    SKU: 716T

    DMP 716T Plug-In Screw Terminal Module

    Plug-in screw terminal module for DMP system expansion slots

    • Replaces the standard DMP 716 harness with individual screw terminals for field wiring.
    • Plug-in connector seats directly into the 716 Output Expansion Module socket—no adapters needed.
    • Accepts 18–22 AWG stranded wire, suitable for alarm loops, relay contacts, and 12VDC returns.
    $45.00 $38.99 Save $6.01
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  • DMP 718T Plug-In Screw Terminal Module - image 3
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    DMP

    SKU: 718T

    DMP 718T Plug-In Screw Terminal Module

    Plug-in screw terminal module for DMP expansion platforms

    • Captive screw terminals eliminate soldering, cutting field termination time during installs.
    • Plug-in design fits standard DMP expansion slots, enabling I/O scaling without chassis replacement.
    • Compact 4.50×2.75×1.75 in form factor supports wall-mount deployment in tight panel enclosures.
    $21.00 $16.99 Save $4.01
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  • DMP 719T Terminal Board Expansion Module

    DMP

    SKU: 719T

    DMP 719T Terminal Board Expansion Module

    Modular terminal board expansion for DMP systems with plug-in slots

    • Extends DMP 714 Zone Expander wiring capacity via direct plug-in — no adapters needed.
    • Accepts 14–22 AWG wire with individual 1K EOL resistors for supervised zone circuits.
    • Integrated LX-Bus pass-through eliminates external terminal blocks and junction boxes.
    $61.00 $52.99 Save $8.01
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  • DMP 721T Terminal Block Module (view 2)

    DMP

    SKU: 721T

    DMP 721T Terminal Block Module

    TCP/IP terminal block module for multi-door access control expansion

    • Consolidates zone wiring for DMP XR series panels in a compact box-form module.
    • Accepts 14–22 AWG conductors, covering standard sensor and detector loop gauges.
    • Pre-installed per-zone EOL resistors eliminate discrete end-of-line components in field.
    $34.00 $28.99 Save $5.01
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  • DMP 736P Radionics POPIT Interface Module
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    DMP

    SKU: 736P

    DMP 736P Radionics POPIT Interface Module

    • Interfaces DMP systems with Radionics POPIT devices for cross-platform integration.
    • Expansion module form factor simplifies addition to existing DMP control panel installations.
    • Datasheet available for download to support pre-deployment planning and compliance review.
    $279.00 $140.99 Save $138.01
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  • DMP 738A Interface Expansion Module - image 2
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    DMP

    SKU: 738A

    DMP 738A Interface Expansion Module

    TCP/IP expansion module for DMP control panels with 12VDC operation

    • TCP/IP communication eliminates proprietary serial links for clean network integration.
    • Draws 12VDC from existing panel supply rail—no separate regulated power source needed.
    • Slot-based form factor (5.5"×3"×0.75") minimizes panel footprint versus stand-alone boxes.
    $90.00 $46.99 Save $43.01
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  • DMP 763 Wi-Fi Interface Module (view 3)

    DMP

    SKU: 763

    DMP 763 Wi-Fi Interface Module

    Wi-Fi interface for DMP keypad systems—wireless retrofit or new build

    • Adds 2.4GHz Wi-Fi to DMP XT/XR panels—no network cable run required.
    • Auto-fails over to cellular if Wi-Fi drops, maintaining signal path continuity.
    • Draws 12VDC directly from panel supply; no external power adapter needed.
    $141.00 $84.99 Save $56.01
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  • DMP 861 Power Distribution/4 Wire Bus Module (view 2)

    DMP

    SKU: 861

    DMP 861 Power Distribution/4 Wire Bus Module

    Centralized power & 4-wire bus module for multi-keypad access systems

    • 4-wire bus connectivity synchronizes multiple keypads and readers from one module.
    • Centralized 12V/24V DC power distribution eliminates distributed point-of-load supplies.
    • Compact form factor mounts in existing DMP cabinets with no separate power supply needed.
    $65.00 $33.99 Save $31.01
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  • DMP 865 Style W/X Notification Module (view 2)

    DMP

    SKU: 865

    DMP 865 Style W/X Notification Module

    TCP/IP notification module for DMP control panel auxiliary expansion

    • TCP/IP integration eliminates dedicated serial runs in DMP control panel networks.
    • Monitors opens, shorts, and ground faults on notification circuits in real time.
    • Operates at 9.6–14.2 VDC, compatible with panel-mounted or remote 24VDC supplies.
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  • DMP 866 Notification Module
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    DMP

    SKU: 866

    DMP 866 Notification Module

    12VDC auxiliary notification module for DMP access control expansion

    • Runs on 12VDC, integrating directly into existing access control cabinet power supplies.
    • Auxiliary architecture adds notification endpoints without disrupting active panel configs.
    • Scales multi-door and multi-reader deployments without replacing core control infrastructure.
    $112.00 $55.99 Save $56.01
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  • DMP 867 LX-Bus Addressable Notification Module

    DMP

    SKU: 867

    DMP 867 LX-Bus Addressable Notification Module

    LX-Bus addressable notification module for networked multi-site control

    • Style W supervised circuit supports 12VDC or 24VDC notification loads on one module.
    • Built-in ground fault, open, and short detection with four status LEDs prevents silent failures.
    • LX-Bus TCP/IP backbone enables centralized notification control across distributed multi-site deployments.
    $193.00 $98.99 Save $94.01
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  • DMP 869 Style D Initiating Module

    DMP

    SKU: 869

    DMP 869 Style D Initiating Module

    25VDC initiating module expands DMP security system zones

    • Two independent supervised 4-wire initiating circuits expand DMP panel zone capacity.
    • 8–25 VDC operating range integrates directly with standard DMP power distribution.
    • Continuous ground-fault supervision detects wiring opens, shorts, and faults pre-alarm.
    $122.00 $61.99 Save $60.01
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  • DMP 893A Dual Phone Line Module Keypad

    DMP

    SKU: 893A

    DMP 893A Dual Phone Line Module Keypad

    Dual phone line keypad module for DMP access control expansion

    • Monitors main and backup phone lines for voltage drops, alerting local keypads and central station.
    • UL 864 listed and FCC Part 15/68 compliant, meeting fire signaling and telecom regulatory requirements.
    • Installs into DMP panel enclosure at 12VDC via wire harness, fitting existing auxiliary expansion slots.
    $169.00 $150.99 Save $18.01
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  • DMP ES501 Plug-In Transformer Enclosure

    DMP

    SKU: ES501

    DMP ES501 Plug-In Transformer Enclosure

    Compact transformer enclosure for DMP NFC/13.56MHz access control

    • Hinged metal cover with built-in venting protects transformers while dissipating heat.
    • Compact 4.25″×5.625″×2.5″ footprint consolidates transformer power at the control panel.
    • Supports low-voltage transformers rated over 20 VA for DMP access control installations.
    $93.20 $83.99 Save $9.21
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Control Systems

Access control control systems manage doors, credentials, and policy enforcement across commercial facilities. These systems serve as the central platform for authentication, monitoring, reporting, and integration with broader security infrastructure.

Plan Your Deployment

  • Door count and future expansion planning
  • On-premise vs cloud-based management platforms
  • Credential format compatibility (card, mobile, biometric)
  • Integration with video, intercom, and alarm systems
  • Network segmentation and cybersecurity considerations

Control Systems — Engineering-Grade Access Control for Commercial Deployments

This category covers 53 working models of control systems sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.

What to Look For

Door count today versus expansion in 5 years dictates controller architecture. Single-door PoE controllers (HID Aero, Axis A1601) are economical for small sites and scale linearly. Multi-door panels (Mercury, Lenel S2, Kantech KT-400) consolidate hardware and reduce per-door cost on large deployments but require upfront commitment to a head-end platform. Plan capacity to absorb growth without ripping out boards mid-life.

Credential strategy locks you to a reader and controller ecosystem. Modern 13.56 MHz options (HID iCLASS Seos, Mifare DESFire EV2/EV3, OSDP-native) resist cloning that 125 kHz prox cards do not. Mobile credentials (HID Mobile Access, LEAF, Bluetooth/NFC) demand readers that support secure transports. If you anticipate migrating credentials, choose controllers and readers that accept multiple formats and OSDP from the start.

Integration with your video, intrusion, and identity systems is the long-tail cost. Native ONVIF Profile A (access control) is uncommon; most integrations rely on vendor APIs, scripted IFTTT-style bridges, or middleware. Confirm controller-to-VMS and controller-to-active-directory integration paths before you commit — retrofitting these later is expensive.

Power, network, and physical mounting requirements vary widely. Some controllers run on 12VDC, others on 24VAC, others on PoE+. Door-frame mounting versus closet/rack mounting changes wire-pull strategy. Budget for door hardware (electrified locks, strikes, REX, door position) and the secondary power supply with battery backup that fire code requires on egress doors.

Key Specs in This Category

SpecAvailable Options
Resolution8MP, 2MP
ConnectivityWired
PowerAC/DC
TypeAccessory, Mobile Computer, Controller, Reader, Cable, Speaker, Camera, Control module

Top Brands in This Category

Frequently Asked Questions

What's the difference between OSDP and Wiegand?

Wiegand is the legacy reader-to-controller protocol — open, unencrypted, vulnerable to spoofing and limited to short cable runs. OSDP (Open Supervised Device Protocol) is the modern replacement: encrypted, bidirectional, supports tamper detection and firmware updates, and runs reliably over longer distances. SIA SP1/SP2 designations indicate OSDP Secure Channel support. New deployments should specify OSDP everywhere unless legacy infrastructure forces Wiegand.

Can I use one controller across multiple buildings?

Most modern IP-based controllers can manage geographically distributed doors as long as network connectivity to the head-end is reliable. However, doors at remote sites lose access decision capability if WAN goes down unless the controller supports offline mode and caches valid credentials locally. For multi-site deployments, choose controllers with documented offline operation and consider redundant head-ends for compliance-sensitive industries.

How many credentials can a typical controller hold?

Entry-level controllers hold 5,000-10,000 credentials. Mid-range hold 50,000-100,000. Enterprise platforms scale to millions through the head-end software with the controller acting as a cached decision point. Card-to-reader presentation time matters more than raw capacity once you're above 10,000 — confirm the read time at the maximum cardholder count, not the controller's spec-sheet headline number.

Do I need PoE or can I use a separate power supply?

PoE simplifies installation — one cable per door — and is the dominant approach for single-door IP controllers. Multi-door panels typically need a dedicated 12VDC or 24VAC power supply with battery backup sized to drive electrified locks and accessories. Egress doors often require code-mandated battery backup regardless of controller power source. Confirm local fire code requirements before finalizing the power architecture.

What's the typical lifespan of an access control panel?

Hardware lifespan is 10-15 years for well-built panels (Mercury, Lenel, Kantech, HID Aero). The platform software typically forces a refresh sooner — 5-8 years — through driver deprecation, mobile credential support gaps, or end-of-life of the head-end version. Plan for software-driven refresh ahead of hardware failure. Migration projects always run longer than planned; start scoping a replacement in year 5 of a 10-year hardware horizon.

Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.