Alarm Leds And Alarm Cutoff/Lamp Test Button - Juniper Internet Router M160 Hardware Manual

M160 Internet Router Hardware Guide
Figure 11: Craft Interface
Yellow alarm Red alarm Alarm cutoff
LED LED button
FAIL
FAIL
OK OK
FPC 0 FPC 1
NOTE: The LEDs for some router components are located on the component
faceplate, rather than on the craft interface. For information about those LEDs, see
the following sections:
For information about the elements on the craft interface, see the following sections:

Alarm LEDs and Alarm Cutoff/Lamp Test Button

Two large alarm LEDs are located at the upper left of the craft interface
(see Figure 11). The circular red LED lights to indicate a critical condition
that can result in a system shutdown. The triangular yellow LED lights to
indicate a less severe condition that requires monitoring or maintenance.
Both LEDs can be lit simultaneously.
A condition that causes an LED to light also activates the corresponding alarm
relay contact on the connector interface panel (CIP), as described in "Alarm
28
Craft Interface
Navigation
buttons
MENU
ACO/LT
ENTER
OK
FAIL FAIL
OK
FPC 2 FPC 3
FPC LEDs and offline buttons (for FPC 0-7)
"PCG Components" on page 19
"SFM Components" on page 20
"MCS Components" on page 26
Power System on page 35
Alarm LEDs and Alarm Cutoff/Lamp Test Button on page 28
LCD and Navigation Buttons on page 29
Host Module LEDs on page 31
FPC LEDs and Offline Button on page 31
LCD Navigation Host module
buttons LEDs
FAIL
OK FAIL OK
FPC 4 FPC 5
OFFLINE ONLINE MASTER
HOST0
HOST1
OFFLINE ONLINE MASTER
FAIL OK
FAIL OK
FPC 6 FPC 7