The Teltonika PR5MEC21 4-PIN Power Adapter with I/O Access is an essential accessory for deploying Teltonika Networks devices in environments requiring configurable digital input/output functionality. This compact adapter bridges the gap between standard power connections and advanced I/O control, featuring a 4-pin to 4-pin power connection with an integrated 4-way screw terminal block that provides dedicated access to configurable digital inputs and outputs. With its 100mm cable and lightweight 15g design, this adapter enables seamless integration of sensors, alarms, or control systems with compatible Teltonika routing and cellular gateway equipment.

• Dual I/O terminals on pins 3 and 4 provide flexible configuration options for digital input/output applications
• Standard power pass-through maintains device power while enabling I/O functionality through pin 1 (Power +) and pin 2 (Ground -)
• Professional screw terminal connections support solid conductors from 0.14-0.50 mm² (26-20 AWG) and flexible conductors with ferrules
• Compact 100mm cable length keeps installations tidy while providing sufficient reach for connection flexibility

Ideal for industrial IoT deployments, remote monitoring applications, and automation projects, this power adapter expands the capabilities of Teltonika devices beyond basic networking functions. The screw terminal design ensures secure, vibration-resistant connections suitable for permanent installations, while the micro slotted screwdriver requirement maintains a compact form factor. For system integrators and IT professionals deploying Teltonika cellular routers or gateways with automation requirements, this adapter provides a reliable, cost-effective solution for bridging networking equipment with real-world sensors and control systems.