T640 Craft Interface Sib Leds; Figure 11: T640 Lcd In Alarm Mode; Table 8: Sib Leds On The Craft Interface - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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T640 Craft Interface SIB LEDs

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26
To add a message that alternates every 2 seconds with the default status messages,
use the
set chassis display message
display message.
When a red or yellow alarm occurs, the LCD switches to alarm mode and reports the
alarm condition, as shown in

Figure 11: T640 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.
For an overview of alarm messages that can appear on the LCD, see
Messages Overview" on page
T640 Chassis Description on page 15
T640 LED Overview on page 464
Replacing a T640 Craft Interface on page 265
Each SIB has two LEDs on the craft interface that indicate its status. The SIB LEDs, labeled
SIB0 through SIB2 , are located on the upper right of the craft interface. The
on the SIB faceplate is not replicated on the craft interface.
the functions of the SIB LEDs.

Table 8: SIB LEDs on the Craft Interface

Label Color
FAIL Red
OK Green
T640 Chassis Description on page 15
T640 LED Overview on page 464
command. For more information, see set chassis
Figure 11 on page 26.
466.
State Description
On steadily SIB has failed.
On steadily SIB is functioning normally.
) or yellow (
R
"T640 Alarm
ACTIVE
Table 8 on page 26 describes
Copyright © 2017, Juniper Networks, Inc.
)
Y
LED