Digital Equipment Digital AlphaStation 400 Series, User Information

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System Components
Table 2-3. Rear Connectors
Figure
Legend Connector Function
1 Voltage selector switch Allows you to set your system to work with 115 or
230 V AC power.
2 Monitor power connector Connects a monitor to AC power. If your monitor
consumes more than 2 Amps at 115 V (1 Amp at
230 V), connect it directly to your wall outlet.
3 AC power connector Connects the system to AC power.
4 Mouse connector Connects a PS/2-compatible mouse.
5 Keyboard connector Connects a 101- or 102-key keyboard.
6 Serial port connectors Connects serial devices.
7 SCSI connector Provides the interface between the system unit and
external SCSI devices.
8 Parallel port connector Allows you to connect an industry-standard
parallel printer.
9 Expansion board slots Allow you to install up to two full-size PCI, up to
three full-size ISA, and one additional PCI or ISA
expansion boards. See Chapter 3 for the layout of
these connectors.
10 System (chassis) lock Locks outside panels.
11 Video port (on option
module) Provides the interface between video/graphics
expansion module (option) and the supported
monitor.
12 Security loop Attaches security lock or cable.
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