Description
1. Product Title
Lenel LNL-1320-S3B – Series 3 Dual Reader Interface Access Control Module
2. Product Overview
The LNL-1320-S3B is a Series 3 dual reader interface module manufactured by LenelS2 (Honeywell brand), designed as a peripheral expansion component for the OnGuard enterprise access control management platform. Serving as the signal bridge between intelligent system controllers and field access readers, LNL-1320-S3B supports connection of two independent card readers or access keypads, while collecting door status feedback, REX button signals and cabinet tamper alarms. It addresses the core demands of multi-door decentralized access management, encrypted data transmission and offline emergency access execution for large-scale security systems. With AES encrypted RS-485 bus communication and comprehensive terminal supervision, the module minimizes signal loss and unauthorized tampering risks in long-distance wiring deployment.
3. Technical Specifications
- Brand: Lenel (LenelS2, Honeywell Group)
- Model: LNL-1320-S3B
- Warranty: One Year
- Condition: 100% New & Original
- Power Input: 12–24 VDC ±10%, max 550mA total consumption
- Input/Output:
- 8 supervised/unsupervised alarm inputs (EOL resistor monitoring)
- 6 Form-C relay outputs, 5A@30VDC NO / 3A@30VDC NC
- 2 dedicated inputs for cabinet tamper and UPS fault detection
- Reader Interface: Wiegand, Clock & Data, F2F, bidirectional OSDP over RS-485
- Communication: Isolated RS-485 multi-drop bus, AES 128-bit encrypted transmission
- Operating Temp: 0°C to +70°C operating; -55°C to +85°C storage
- Dimensions/Weight: 152mm × 203mm × 25mm, net weight 312g
- Certifications: UL 294, UL 2610, FCC Part 15, CE, RoHS
- Software Compatibility: Fully compatible with all OnGuard system versions
4. Application Scenarios
- Commercial Office & Campus Buildings: Deployed in multi-floor office towers, university campuses and mixed-use complexes to manage grouped door access, monitor door contact status and trigger electric lock actuation via the OnGuard central platform.
- Healthcare & Pharmaceutical Facilities: Applied in hospital wards, laboratory areas and drug storage zones, enforcing tiered personnel access permissions and generating real-time intrusion or forced door open alerts for compliance auditing.
- Industrial Plant & Data Center Security: Installed in factory production workshops, server room entrances and critical equipment enclosures, supporting offline access mode during host controller downtime and protecting high-value assets with encrypted reader communication.
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