Videx 4850P/M 1000 User Proximity Reader Module Matt Finish

Videx 4850P/M is a proximity key reader module in matt 316 marine grade stainless steel finish for the 4000 Series modular door entry system. It features a built-in door open relay, RS-232 and RS-485 interfaces, push-to-exit input, and programmable relay timing from 1 to 99 seconds with latch mode option.

Programming is carried out via four rear-mounted buttons with LED and acoustic feedback. The unit supports fob and card format proximity keys and locks out for approximately 60 seconds after 5 consecutive failed attempts. It is powered from 12/24Vac/dc and fits standard 4000 Series flush or surface back boxes.

About This Product

The Videx 4850P/M is a 4000 Series standalone proximity reader module with a matt 316 marine grade stainless steel front plate. It is designed for installers integrating proximity access control into modular door entry panels for residential and commercial installations. The matt finish provides a contemporary aesthetic while maintaining corrosion resistance.

Key Features

• Matt 316 marine grade stainless steel front plate (/M)
• Stores up to 99 proximity keys (fob or card)
• Built-in door open relay (dry contact)
• Programmable relay time: 1 to 99 seconds or latch mode
• RS-232 and RS-485 interfaces
• Push-to-exit (PTE) active low input
• Anti-tamper lockout after 5 failed attempts
• LED indicators: yellow (standby), green (valid), red (invalid)

Technical Specifications

• Managed Keys: 99 (locations 1-99)
• Working Voltage: 12/24Vac/dc
• Key Recognition Time: Less than 1 second
• Power Consumption (Standby): 80mA
• Power Consumption (Operating): 120mA
• Working Temperature: -10°C to +60°C
• Relay Contact Rating: Max 24Vdc, 3mA
• Relay Time: 1-99 seconds or latch
• Front Plate Finish: Matt 316 marine grade stainless steel (/M)
• Interfaces: RS-232, RS-485

Common Questions

• Q: Is this a standalone reader or does it need a controller? A: It is fully standalone with built-in relay and on-board programming.
• Q: How do I reset to factory defaults? A: Disconnect mains, link PTE to GND, restore power, wait 5 seconds, disconnect power, then remove the link. This resets the unlock sequence but does not delete stored keys.

Compatibility

Compatible with all 4000 Series flush and surface mounting back boxes. Works with Art. 321 or Art. 522 power supplies. Supports electric door strikes and gate controllers.