Assa Abloy - SL500/SL510/SL521 MCU to IOU Extension Cable

Assa Abloy SL500 / SL510 / SL521 – MCU to IOU Extension Cable

The Assa Abloy MCU to IOU Extension Cable is a genuine wiring lead designed to connect the Main Control Unit (MCU) to the Input/Output Unit (IOU) in SL500, SL510, and SL521 automatic sliding door operators. It provides reliable signal transmission and allows flexible positioning of the IOU during installation or servicing.

Key Features & Benefits

• Dedicated MCU–IOU Link – Ensures stable communication between the control board and expansion module.

• Genuine Assa Abloy Cable – Matches original specifications for correct pinout, shielding, and connector fit.

• Reliable Signal Integrity – Supports accurate data transfer for sensors, activations, and system logic.

• Durable Construction – Designed for continuous operation and resistance to vibration within the operator housing.

• Flexible Installation – Provides additional cable length for cleaner routing or alternative module placement.

• Plug-and-Play Fit – Direct-fit connectors allow quick replacement with no modification required.

Technical Summary

• Component type: MCU to IOU extension cable

• Compatibility: Assa Abloy SL500, SL510, SL521

• Function: Extends and connects communication wiring between MCU and IOU

• Construction: Factory-standard insulated cable with OEM connectors

• Fitment: Direct replacement for original MCU–IOU cable