Toshiba strata ip5000 Manuel D’Utilisation

The connectors on the IP5000-series telephones are identified with icons. The 
connector icons and their meaning are shown below.

Function    

Add-On Module (ADM) Cable Connector

AC Power Adapter (12 VDC) Input

Handset Cord

Headset Cord

External Speaker Control Box (BESCB1A) connection

IP Network Connection

PC Connection 

CO LineConnection (model IP5122-SDC only)