Operator Control Panel; Figure 1-3 Operator Control Panel - Compaq ES40CSLP Installation, User & Service Manual

Introduction

1.3.2 Operator Control Panel

The operator control panel (OCP), shown in Figure 1-3, is located on the front of the system
chassis and consists of three buttons, two LEDs, and a 16-character alphanumeric display.

Figure 1-3 Operator Control Panel

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Display — A one-line, 16-character alphanumeric display that indicates status during power-
up and testing. See Table 6-7 and Table 6-8 for the messages that are displayed and their
meanings. While the operating system is running, the console revision is displayed as the
default. This message can be changed by using the SRM console set ocp_text command.
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Power button — Powers the system ac power on or off. If a failure occurs that causes the
system to shut down, pressing the power button off and then on clears the shutdown condition
and attempts to power the system back on. Conditions that prevent the system from powering
on can be determined by entering the status command from the remote management console
(RMC). The RMC is powered separately from the rest of the system and can operate as long as
ac power is present.
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Power LED (green) — Lights when the power button is depressed.
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Reset button — A momentary contact switch that restarts the system and reinitializes the
console firmware. Power-up messages are displayed, and then the console prompt is displayed
or the operating system boot messages are displayed, depending on how the startup sequence
has been defined.
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Halt LED (amber) — Lights when the halt button is depressed.
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Halt button — Pressing this button in does the following:
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If Tru64 UNIX or OpenVMS is running, it halts the operating system and returns to the
SRM console.
If the Halt button is in when the system is reset or powered up, the system halts in the
SRM console, regardless of the operating system. Tru64 UNIX and OpenVMS systems
that are configured for autoboot will not boot if the Halt button is in.
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