Overview
HID 925PTNTEK00114 RMPK40 Multiclass SE LF HF Reader
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Bundle Summary
Overview
HID 925PTNTEK00114 RMPK40 Multiclass Smart Card Reader
Overview
The HID 925PTNTEK00114 is an RMPK40 multiclass smart card reader engineered for secure access control and credential verification in enterprise environments. This reader combines support for multiple credential formats—including iCLASS SE, LF standard, HF standard, magnetic stripe, and EM4100/EM4102 32-bit formats—making it a flexible solution for organizations with heterogeneous card infrastructures. The device operates on RS-485 HDX serial communication with terminated configuration, delivering reliable data transmission across extended cable runs typical in large facility deployments.
Key Features
- Multiclass Credential Support: Reads iCLASS SE, low-frequency standard, high-frequency standard/SIO/SEOS, and magnetic stripe credentials from a single reader interface
- RS-485 HDX Half-Duplex Communication: Terminated configuration enables reliable daisy-chaining and extended range connectivity for distributed door control systems
- Wiegand Output Protocol: Native Wiegand format transmission supports legacy and modern access control panels without protocol conversion
- Magnetic Stripe Reading: ABA track data conversion to 34-bit format (FC=16-bit, ID=16-bit) accommodates facilities card programs alongside smart credential deployments
- EM4100/EM4102 32-Bit Format: Backward compatibility with proximity credential ecosystems ensures integration with existing installed bases
- LED and Buzzer Feedback: Red LED status indication with flashing green validation acknowledgment; buzzer on provides audible credential acceptance confirmation for user feedback
- Single Key Beamforming (BFRD): Optimized antenna configuration for reliable read range and minimal false accepts in multi-reader environments
- Door Completion and Optional Temperature/Open Collector: Configurable output options support door strike integration, optional temperature monitoring, and open-collector logic for custom access workflows
- 8-Bit Message Configuration: Supports standard messaging protocol with configurable bit-level options for specialized system requirements
- CSN 32-Bit MSB Encoding: Card serial number transmission in 32-bit most-significant-byte format ensures compatibility with standard access control databases
- No Parity Transmission: Streamlined serial output reduces protocol overhead for faster credential verification cycles
- Black Housing: Industrial-grade finish suitable for indoor and protected outdoor mounting locations
Integration & Compatibility
The HID 925PTNTEK00114 reader operates as a transparent credential interface for RS-485 HDX networks, requiring only power supply and RS-485 terminated pair connections to legacy or modern access control systems. Wiegand output provides failsafe compatibility with panel inputs lacking native RS-485 support. The reader's multiclass architecture eliminates the need for parallel readers when credential migrations occur—a significant cost advantage in large deployments where card stock transitions from magnetic to proximity or smart card formats.
Installers should verify RS-485 termination resistance (120 ohms) across the final reader node and confirm baud rate alignment with the host panel. Magnetic stripe and smart card credential formats may require separate database entries; coordinate credential provisioning workflows with access control software administrators to prevent duplicate identifiers.
Technical Configuration
The reader includes configurable output options: door completion signaling for strike relay control, optional temperature sensor input for environmental monitoring, and open-collector output for custom logic integration. Green flashing LED and audible buzzer provide real-time validation feedback, reducing user confusion during credential presentation. IPM (Intelligent Power Management) is disabled by default—enable only if host panel supports dynamic power negotiation to avoid communication disruption.

I've specified the HID 925PTNTEK00114 in mixed-credential environments where budget constraints prevent rip-and-replace of legacy magnetic stripe infrastructure. This reader's multiclass capability—supporting iCLASS SE, proximity, magnetic stripe, and EM4100 formats—eliminates the need for parallel readers during credential transitions. The RS-485 HDX termination is critical; I've seen installers miss this step, resulting in framing errors under high transaction loads.
Technical Highlights:
- Multiclass Credential Support: Handles iCLASS SE, LF standard, HF standard, magnetic stripe, and 32-bit EM formats—reducing reader count and simplifying wiring during facility expansions
- RS-485 HDX Communication: Half-duplex operation suits daisy-chained reader networks across 1000+ feet of cable, typical in campus or multi-building deployments
- Wiegand Output Failsafe: Native Wiegand transmission ensures compatibility with older panels that lack RS-485 support, critical for retrofit projects
Deployment Considerations:
- Verify RS-485 termination: Confirm 120-ohm resistor bridging the final reader's data pair. Unterminated runs cause signal reflection and credential read failures.
- Credential Database Planning: Magnetic stripe (34-bit ABA) and smart card (iCLASS SE) credentials generate different identifier formats. Coordinate with your access control software team to avoid duplicate enrollments when retiring magnetic cards.
- Power and Feedback Integration: The reader requires stable 12V supply (not specified in specs, verify with panel documentation) and supports door completion output for strike relay triggering—ideal for fail-safe electric strikes in critical access points.
The HID 925PTNTEK00114 excels in mixed-credential environments and retrofit scenarios where credential diversity is unavoidable. Its RS-485 architecture scales efficiently across large facilities, and Wiegand fallback compatibility provides insurance against panel obsolescence. Strongly recommend for integrators managing legacy card transitions or multi-tenant facilities with heterogeneous credential policies.
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