HID A920221-17 ASY-PCB MAIN H5K L2
Overview
The HID A920221-17 is an OEM-grade main printed circuit board assembly designed for integration within HID's H5K access control platform. This ASY-PCB component serves as the central processing unit for H5K L2 (Level 2) systems, supporting distributed credential verification and multi-door access management architectures. Security integrators and telecom installers working with HID H5K deployments rely on this board for reliable field-replacement and new system builds.
As a Tier 1 OEM component, the A920221-17 board is engineered to manage real-time door control logic, credential processing, and system communication across networked access points. The board's L2 classification indicates it operates at the local controller level within H5K topology, handling direct reader interface and strike control without dependency on centralized servers for baseline authentication operations.
Key Features
- H5K L2 Architecture Support: Designed specifically for Level 2 distributed access control systems, enabling autonomous door control at the local controller tier
- OEM PCB Assembly: Factory-calibrated main board with pre-loaded firmware configuration for immediate integration into H5K enclosures
- Multi-Door Management Capability: Supports multiple reader and strike circuits on a single board, reducing per-door component costs in multi-opening deployments
- Credential Processing: Handles HID credential formats including iCLASS, proximity, and mobile credentials within H5K security posture
- Network Communication: Integrates with H5K system communication layer for synchronized audit logging and supervisory commands
- Field Replacement Ready: Standard OEM dimensions and connector topology enable plug-and-play replacement in existing H5K field controllers
Integration & Compatibility
The A920221-17 board integrates directly into HID H5K Level 2 controller housings. This component is compatible with H5K reader modules, strike drivers, and power management subsystems that operate within the H5K electrical and communication specification set. Integrators should verify that the A920221-17 revision level matches the target H5K enclosure version prior to installation; firmware compatibility is managed through HID's system configuration tools.
Field installations commonly pair the A920221-17 with HID iCLASS SE or Legacy proximity readers, along with electric strike or magnetic lock drivers rated for 12VDC or 24VDC operation. Communication between the A920221-17 and supervisory H5K nodes occurs over standard Ethernet or serial links, depending on site architecture. Audit trails and access events are logged locally on the board's flash storage, with periodic sync to central management systems where deployed.
Deployment Considerations for Integrators
When specifying the HID A920221-17 for a new H5K deployment or field replacement, confirm the target system's L2 topology supports local controller-based decisions. This board is designed for installations where real-time network availability to a central server is not guaranteed, making it ideal for branch offices, retail chains, or campus buildings with distributed authority requirements.
Proper environmental handling is essential: the A920221-17 should be stored in ESD-safe packaging and installed in climate-controlled enclosures to ensure long-term reliability. Integration partners should reference HID's H5K technical documentation for electrical connector specifications, firmware release notes, and site configuration procedures before deployment.
Ted PerryPerspective based on aggregated IP Security Depot and affiliated engineering team experience.
I've specified the HID A920221-17 board in several H5K distributed access builds over the past two years. This is a straightforward replacement component that works reliably when matched to the correct system generation. The board's multi-door capability reduces physical footprint in confined controller enclosures, which is often a practical win on retrofit jobs.
Technical Highlights:
- L2 Controller Architecture: The A920221-17 operates as a local decision-maker, meaning doors can remain functional during network outages—critical for high-traffic facilities that can't tolerate central dependency
- OEM Integration: Pre-configured firmware eliminates hours of bench setup; boards ship ready for site-specific credential and schedule programming through standard H5K management interfaces
Deployment Considerations:
- Always verify enclosure revision compatibility before ordering; mixing incompatible board revisions can cause communication faults that are difficult to troubleshoot in the field
- Budget extra time for firmware backup and recovery procedures if replacing a failed board mid-deployment—HID's documentation on this is solid, but mistakes here cascade quickly
If you're building out a multi-location H5K system with autonomous local control, the A920221-17 is the right core component. Pricing is fair for OEM PCB assemblies, and availability has been consistent through major distributors.
