Product Overview
The PDK Red 4 is a four-door access control controller with Ethernet self-discovery, OSDP support, onboard power management, and supervised system monitoring. It includes four 2A Form-C relays, four reader ports, and dedicated door inputs, with support for Ethernet, optional PoE++, and encrypted WiMAC wireless connectivity.
Key Configuration
- • Door control: 4 independent doors
- • Form-C relays: 4 × industrial-grade 2A relays (one per door)
- • Inputs: 4 × Input A, 4 × Input B (door position switch and REX per door)
- • Reader ports: 4 (OSDP/Wiegand)
- • Wireless: WiMAC 802.15.4, 1 mile LoS / 450ft indoor, AES 128-bit
- • Power: 12V-24V DC input; includes 12VDC 5A (60W) Class 2 supply; 4A total peripheral output at 12V
- • Enclosure: Lockable metal security can, 7.625" x 10.4375" x 3", indoor only
Key Features
Four-door 1U access control controller with per-door relay, reader, door position (input A), and REX (input B). Includes onboard 5A power supply (4A shared output), full power and battery supervision, and Ethernet self-discovery. Supports optional WiMAC encrypted wireless (2.4 GHz, AES 128-bit) and PoE++ connectivity, with removable screw terminals for wiring. Requires 12V 8Ah backup battery for UL 294 compliance (sold separately).
Technical Context
The Red 4 is a four-door access control controller with per-door 2A Form-C relays, OSDP reader support, and supervised door/REX inputs. It includes an onboard 5A power supply (4A shared load), full system and battery monitoring, and Ethernet self-discovery for plug-and-play setup. Optional WiMAC provides AES 128-bit encrypted wireless communication up to 1 mile line-of-sight, and UL 294 compliance requires a 12V 8Ah backup battery (not included).
Installation Notes
The device is housed in a lockable metal enclosure (7.625" × 10.4375" × 3") for indoor use only. It operates from -20°C to +60°C with 0–95% non-condensing humidity. Wireless range reaches up to 1 mile line-of-sight or ~450 ft indoors with an optional WiMAC module. Warranty coverage is 1–5 years, depending on configuration.
| Connections | |
| Removable Screw-down Terminals | Yes |
| Built-in Power Supply | Yes |
| Industrial-grade 2A Form-C Relays | 4 |
| Reader | 4 |
| Input A | 4 |
| Input B | 4 |
| Communication Options | |
| Ethernet | Yes |
| WiMAC Wireless | 2.4 GHz / 802.15.4 |
| PoE++ | Yes |
| Encryption | AES 128bit |
| Wireless Range | 1 Mile LoS, 450ft indoor average |
| Environmental | |
| Temperature | -4°F to +140°F / -20°C to +60°C |
| Humidity | 0 - 95% relative humidity non-condensing |
| Enclosure | |
| Dimensions (W x H x D) | 7.625" x 10.4375" x 3" |
| Type | Metal lockable security can (indoor use only) |
| Compliance | |
| Conforms to UL 294 | Yes |
| Power | |
| Input Voltage | 12V-24V DC |
| Power Supply | 12 VDC 5A 60-watt class 2 wall-wart power supply |
| Operating Amperage | 35mA (Continuous draw when idle) |
| Peripheral Power Output | Total output to peripherals is 4A at 12V when powered with the included 5A wall adapter |
| Backup Battery | 12V 8Ah battery not included, but required to comply with UL 294 |
| Manufacturer's Limited Warranty | |
| Warranty Period | One to five-year warranty against defects in materials and workmanship |
