A Closer Look at Your System
System Unit
Symbols
The rear of your system unit has symbols next to most of the
connectors and ports. Following is an explanation of these
symbols.
Halt Button
Press the halt button to put the system into console mode.
Network Interface Port
Insert the cable for a network connection.
ISDN Interface Port
ISDN currently not available.
Handset Jack
Insert a telephone-style handset into this jack to use the audio
input and output features of the system.
Alternate Console Switch
Indicates the alternate console toggle switch that directs console
output to the monitor or to an alternate console, such as a
terminal.
Alternate Console/Printer/Communications Port
Connect an alternate console, such as a terminal or a printer, to
this port. You can also connect a communications device, such as
a modem, here.
Keyboard/Mouse Port
Attach the keyboard/mouse cable assembly to this port.
Diagnostic Display Lights
Indicates the diagnostic display lights on the system unit.
Communications/Printer Port
Connect a communications device, such as a modem, to this port.
You can also connect a printer or terminal to this port.
SCSI Port
Attach a SCSI cable or terminator to this port.
2–14 Preparing to Install Your System
