| Feature | Ver 480 | Ver 485L (Updated) | |---------|---------|---------------------| | Max Users | 1,000 | 1,500 | | Log capacity | 50,000 | 80,000 | | RS485 distance | 100m (without repeater) | 200m (error-corrected) | | Firmware update method | Serial only | USB + Serial | | Mobile app support | No | Yes (via ZKBioAccess bridge) |
| Area | Improvement |
|------|--------------|
| Firmware | Optimized fingerprint matching algorithm reduces false rejects by ~18%. |
| RS485 Protocol | Enhanced error-checking (CRC-16) and auto-reconnect after line drops. |
| Data Export | Native support for .xls, .csv, and direct integration with ZKTeco Time 8.0 and ZKBioSecurity software. |
| User Capacity | Increased from 1,000 to 1,500 users (with extended flash memory mapping). |
| Anti-Passback | Improved logic for zone-based access control (requires compatible controller). |
Click Process > Calculate Attendance – the system will:







