NEC 2000 Series - Manual (Page 18)

Reviewing System Features 1-9
Rear features
A – PS/2 Mouse Port F – VGA Connector
B – Kensington Lock Slot G – LAN Connector
C – PS/2 Keyboard Port H – USB Connectors
D – Printer Port I – DC Power Connector
E – Serial Port
Universal Serial Bus Ports
The system unit comes with two USB ports on the rear of the system unit.
The ports allow you to easily and conveniently add plug and play USB
devices without opening up the system. You simply plug the USB device
into a port. You can connect up to 127 USB devices including a keyboard,
mouse, monitor, printer, scanner, or speaker set.
DC Power Connector
The system operates with DC power supplied from the AC power adapter.
The adapter plugs into an AC power source and the DC power connector
on the rear of the system unit. The AC power adapter uses a standard
115-Vac or 230-Vac grounded power source.