Suprema Secure IO Compact Single Door Module SIOV2
Secure the door, end to end.
A compact single door module that links the reader and the lock over encrypted communication. It has 2 input channels, 1 relay channel and 1 RS-485 channel for access control door installations.

Your door is only as secure as its I/O link.
The connection between the reader and the lock is part of the security of the door. Encrypted communication helps protect that link.
Compact door control, built in
The SIOV2 packs door I/O and encrypted communication into a small single door module.
Encrypted communication
Enhanced security due to encrypted communication between the module and the system.

Module height
Measures 2.60" high, 1.40" wide and 0.70" deep.
Easy, low-cost installation
Manufacturer data lists easy installation and low cost as key features.
Door I/O channels
Input 2 channels, Relay 1 channel and RS-485 1 channel for one door.
Status LEDs
6 LEDs show PWR, RS-485 TX/RX, IN1, IN2 and Relay.
Everything you need to know.
| Brand | Suprema |
| Model | SIOV2 |
| Product Type | Single Door Control Module |
| Input Voltage | 18V DC |
| Height | 2.60" |
| Width | 1.40" |
| Depth | 0.70" |
| CPU | Cortex M 32 MHz |
| Memory | 128 KB Flash + 20 KB RAM |
| I/O Terminals | Input 2 channels, Relay 1 channel, RS-485 1 channel |
| Certifications | FCC |
| Country of Origin | KR |
Suprema Secure IO Compact Single Door Module SIOV2
The Suprema SIOV2 is a secure IO Compact Single Door Module. It is part of the access control i/o module range and is made for security integrators, locksmiths, door hardware installers and facility teams who need dependable equipment on commercial doors.
Key Features
- Enhanced security due to encrypted communication
- Easy installatiEasy installation and low coston and low cost
Specifications
- Brand: Suprema
- Model: SIOV2
- Product Model: SIOV2
- Product Type: Single Door Control Module
- Depth: 0.7"
- Depth (mm): 18
- Height: 2.6"
- Height (mm): 65
- Width: 1.4"
- Width (mm): 36
- Input Voltage: 18V DC
- Input Voltage (V DC): 18
- Certifications & Standards: FCC
- Shipping weight: 0.2 lb
- Package dimensions: 4.2 x 4.1 x 2.2 in
Typical Uses
- Secure door I/O between a reader and the lock
- Access control door installations
Please confirm that the SIOV2 matches your door, frame, voltage, mounting and finish requirements before ordering. Contact us with the model of your existing hardware if you need help checking compatibility.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Suprema SIOV2, ready to order.
- Product Type: Single Door Control Module
- Input Voltage: 18V DC
- Height: 2.60"
- Width: 1.40"
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