HP EliteDisplay E221c 21.5-inch Webcam LED Backlit Monitor - Manual (Page 10)

Rear Components
Component Function
1 USB 2.0 Downstream
Connectors (2) Connects optional USB devices to the monitor.
2 AC Power Connector Connects the AC power cord to the monitor.
3 DisplayPort Connects the DisplayPort cable to the monitor.
4 VGA Connects the VGA cable to the monitor.
5 DVI-D Connects the DVI-D cable to the monitor.
6 Audio-in Connects the audio cable from the computer to the monitor.
7 Audio-out Connects external speakers or a headphone.
8 USB 2.0 Upstream
Connector Connects the USB hub cable to the monitor's USB hub
connector and to a host USB port/hub.
4 Chapter 2 Setting Up the Monitor