ISDN port
Audio port
Keyboard/
mouse port
RS232 port
Monitor video
port
Monitor power
socket
Connection for your monitor
cable.
Connection for the power cord
your monitor.
Connection for the power cord
your system unit.
System power
connector
On/Off switch
This switch turns the system o
or off (O).
Connection for a 10BASE-T
(twisted-pair) network cable. If
running diagnostics, connect a
loopback connector.
ISDN software support may not
be available in your country.
When the system is shipped, a
foam block covers this port.
Connection for a telephone handset
or headset.
Connection for the key-
board/mouse extension cable.
Used in asynchronous mode to
connect communications devices
such as a printer, plotter, modem,
or console terminal. Supports X.25
and is operating-system depend-
ent. If running diagnostics, con-
nect a loopback connector.
Ethernet port
Connection for a Small Com-
puter System Interface (SCSI)
peripheral device or terminator.
Pressing this button places your
system in console mode (>>>)
TC slot 0.
Models 300/-
300X/300LX
SCSI port
Halt button
If you have TURBOchannel
(TC) slots, refer to the
Hard-
ware Reference Guide.
3. Identify Cable Connections and Controls on the Back of the System Unit
TC slot 1.
Models 300/-
300X/300LX
If you have TURBOchannel
(TC) slots, refer to the
Hard-
ware Reference Guide.
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ISDN
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MLO-010144
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