
1-22 DS20E Reference Guide
Compaq Confidential – Need to Know Required
Writer: Robert Young Project: DS20E Reference Guide Comments:
Part Number: ER-K8F6W-UA .A01 File Name: b-ch1 System Overview.doc Last Saved On: 10/4/99 1:23 PM
The functions provided by these pushbutton controls and indicators are
listed in Table 1-6.
Table 1-6
Control Panel Functions
Figure
Legend
Function Description
❶
Power
On/Standby
When plugged in to a power source and the system is
powered on, pressing the button On allows power to the
OCP. Pressing the button to Standby turns off all DC
voltages except Aux 5 volts. This button is a latching switch.
❷
Reset button A momentary contact switch that initializes the system.
❸
Power Indicator
LED
Green power OK indicator.
See Table 1-7.
❹
Fault LEDs Programmable by software. Blink at various console states.
See Table 1-7 for details.
❺
Halt Switch Terminates system operation. This button is a momentary
type button.
❻
Halt LED Halt condition (yellow).
Table 1-7
System Power LED Indicator
Green
LED
Status
Off
■ The system is not powered On.
On
■ System is powered On.
Komentáře k této Příručce