Add description values to the plug and receptacle sides of a connector. 
AutoCAD Electrical toolset supports two lines of description text on each connector: one for the plug and one for the receptacle side of the connector. 
Add descriptions
- Right-click connector PJ1 and select Edit Component. 
  
 
- On the Insert/Edit Component dialog box, Pins section, click List. 
  
 
- On the Connector Pin Numbers In Use dialog box, connector pin grid, click in the Description column for Pin 1. 
  
 
- On the Pin Descriptions section, enter 
	 POWER B2 for the Receptacle. 
  
 
- On the connector pin grid, click in the Description column for Pin 2. 
  
 
- On the Pin Descriptions section, enter 
	 POWER B3 for the Receptacle. 
  
 
- On the connector pin grid, click in the Description column for Pin 3. 
  
 
- On the Pin Descriptions section, enter 
	 POWER B4 for the Receptacle. 
	 
 
  
 
- Click OK. 
  
 
- On the Insert/Edit Component dialog box, click OK. 
  
 
- Repeat to add the description POWER IN for Pins A on Black Box 2, Black Box 3 and Black Box 4. 
	 
Your finished point-to-point diagram looks like the following image.