Dell PowerEdge 1800 - Manual (Page 17)

Indicators, Codes, and Messages
17
Power Indicator Codes
The power button on the front panel controls the power input to the system's power supplies. The
power indicator can provide information on power status. See Figure 2-2. Table 2-4 lists the power
button indicator codes.
The indicators on the optional redundant power supplies show whether power is present or whether
a power fault has occurred. See Figure 2-6.
Table 2-3. Back-Panel Features
Component Description
PS/2 mouse connector Connects a mouse to the system.
PS/2 keyboard connector Connects a keyboard to the system.
Serial connector Connects a serial device to the system.
Parallel connector Connects a parallel device to the system.
Video connector Connects a monitor to the system.
System status indicator
connector Connects to an indicator that can signify when the system is operating
correctly or when the system needs attention. See "Front-Panel
Indicators and Features."
USB connectors (2) Connects USB 2.0-compliant devices to the system.
NIC indicators Provide information on NIC status. See "NIC Indicator Codes."
System identification
button Locates a particular system within a rack. See "Front-Panel Indicators
and Features."
System status indicators Functions the same as the front-panel system status indicators. See
"System Status Indicators."
Table 2-4. Power Button Indicators
Indicator Function
On Indicates that power is supplied to the system and the system is operational.
Off Indicates that no power is supplied to the system.
Blinking Indicates that power is supplied to the system, but the system is in a standby
state. For information on standby states, see your operating system
documentation.