JUNOS Internet Software Network Operations Guide: Hardware
142 ! Monitoring the Routing Engine Status
Check the M40 Router Routing Engine LEDs
Check the Routing Engine LEDs on the bottom right of the craft interface. A red Fail
LED and a green
OK LED indicate the status of the Routing Engine. The green OK
LED should light steadily. Figure 47 shows the Routing Engine LEDs.
Figure 47: M40 Router Craft Interface Routing Engine LEDs
Table 38 describes the Routing Engine LED states.
Table 38: M40 Router Routing Engine LEDs
FAIL OK FAIL OK FAIL OK FAIL OK FAIL OK FAIL
01234567
OK
FAIL
MANAGEMENT
ETHERNET
ROUTING ENGINE
CONSOLE
AUXILIARY
OK
MENU
ENTER
ALARM
RED
ALARM
ALARM
CUTOFF
NC
C
NO
NC
C
NO
YELLOW
ALARM
FAIL OK FAI L OK
1697
Routing Engine LEDs
Label Shape Color State Description
OK Green On steadily Presence of the Routing Engine is detected
by the System Control Board (SCB).
OK Green Blinking Routing Engine is starting up.
FAIL Red On steadily Presence of the Routing Engine is not
detected by the SCB, or the Routing Engine
is not operational.
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