Compaq Deskpro 4000N - Chapter 1 Introduction; About This Guide

1-4 The Computer at a Glance
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Rear Panel
Components
Rear Panel Components
Rear Panel Components
Ref. Connector Function
1
Voltage Select Switch Switches voltage between 115V (U.S.) and 230V to match
geographical requirements.
2
Ethernet RJ-45 Activity Lights Yellow light blinks when linking to the network; green light
blinks during network activity.
3
Ethernet AUI Connector
(15-pin connector)
Connects the Ethernet network, using an AUI cable or an AUI
to BNC transceiver.
4
Mouse Connector Connects the mouse. (green-colored connector)
5
Power Cord Connects the computer to an electrical power outlet.
6
Universal Serial Bus (USB)
Connectors
Connects the computer to any USB device while the computer
is operating; a fully functional plug and play connector.
7
Parallel Connector Connects a parallel device, such as a parallel printer.
8
Serial Connector Connects a serial device, such as a serial mouse or scanner.
9
Ethernet RJ-45 Connector Connects the Ethernet network, using an RJ-45 cable.
:
Keyboard Connector Connects the keyboard. (orange-colored connector)
;
Monitor Connector Connects a monitor. (black-colored connector)
!
WARNING:
This equipment is designed for connection to a grounded (earthed) outlet. The grounding type plug
is an important safety feature. To avoid the risk of electrical shock or damage to your equipment, do not disable
this feature.