HP EliteDisplay E190i 18.9-in 54 LED Backlit IPS Monitor - Manual (Page 10)

Rear Components
Component Function
1 AC Power Connector Connects the AC power cord to the monitor
2 DisplayPort Connects the DisplayPort cable to the monitor (select
regions only)
3 DVI-D Connects the DVI-D cable to the monitor
4 VGA Connects the VGA cable to the monitor
5 USB Upstream
Connector Connects the USB hub cable to the monitor's USB hub
connector and to a host USB port/hub
6 USB Downstream
Connectors (2) Connects optional USB devices to the monitor
4 Chapter 2 Setting Up the Monitor