T4000 Midplane Description; Figure 8: Lcd In Idle Mode; Figure 9: Lcd In Alarm Mode - Juniper T4000 Hardware Manual

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T4000 Midplane Description

18

Figure 8: LCD in Idle Mode

The lines in the display report the following information:
First line—Router name.
Second line—Length of time the router has been running, reported in the following
form:
Up days + hours:minutes
Third and fourth lines—Status messages, which rotate at 2-second intervals. Some
conditions, such as removal or insertion of a system component, can interrupt the
messages.
To add a message that alternates every 2 seconds with the default status messages,
use the
set chassis display message
When a red or yellow alarm occurs, the LCD switches to alarm mode and reports the
alarm condition, as shown in

Figure 9: LCD in Alarm Mode

The lines in the display report the following information:
First line—Router name.
Second line—Number of active alarms.
Third and fourth lines—Individual alarm messages, with the most severe condition
shown first. The prefix on each line indicates whether the alarm is a red (
alarm.
T4000 Craft Interface LEDs
T4000 Alarm Messages Overview on page 347
The midplane is located in the center of the chassis and forms the rear of the FPC card
cage (see Figure 10 on page
command.
Figure 9 on page 18.
19). The FPCs install into the midplane from the front of the
R ) or yellow (
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Y )