# Sony CCU Connections  - Intercom

# Connecting Intercom to Sony CCUs

<table id="bkmrk-4---wire-connection2" style="height: 139px; width: 101.905%;"><colgroup><col style="width: 50.1139%;"></col><col style="width: 50.1139%;"></col></colgroup><tbody><tr><th>4 - Wire connection

</th><th>2 - Wire connection

</th></tr><tr><td>#### [![hdcu_intercom_pin-out_2.png](https://videng.wiki/uploads/images/gallery/2026-07/scaled-1680-/hdcu-intercom-pin-out-2.png)](https://videng.wiki/uploads/images/gallery/2026-07/scaled-1680-/hdcu-intercom-pin-out-2.png)

(Click to Enlarge)

</td><td>#### [![hdcu_intercom_pin-out_2.png](https://videng.wiki/uploads/images/gallery/2026-07/scaled-1680-/hdcu-intercom-pin-out-2.png)](https://videng.wiki/uploads/images/gallery/2026-07/scaled-1680-/hdcu-intercom-pin-out-2.png)

(Click to Enlarge)

</td></tr></tbody></table>

See photos above for pinouts for both the default 4-wire intercom connections as well as the optional 2-wire configuration. See also: [https://clear-com.atlassian.net/wiki/spaces/SF/pages/256573574/Sony+CCU+Solutions](https://clear-com.atlassian.net/wiki/spaces/SF/pages/256573574/Sony+CCU+Solutions)