JUNOS Internet Software Network Operations Guide: Hardware
296 ! Checking the Host Subsystem Status
Figure 122 shows the location of the Routing Engine LEDs on the M320 router craft
interface.
Figure 122: M320 Router Host Subsystem Craft Interface LEDs
Table 69 describes the M320 router Routing Engine LED states.
Table 69: M320 Router Routing Engine Craft Interface LEDs
Figure 123 shows the location of the Host Subsystem LEDs on the T320 router and
T640 routing node craft interface.
Each host subsystem has LEDs, located on the upper right of the craft interface,
which indicate its status. The LEDs labeled
HOST0 show the status of the Routing
Engine in slot
RE0 and the Control Board in slot CB0. The LEDs labeled HOST1 show
the status of the Routing Engine in slot
RE1 and the Control Board in slot CB1.
Figure 123: T320 Router and T640 Routing Node Host Subsystem Craft Interface LEDs
g003409
FPC LEDs and online/offline buttons
Yellow
alarm
LED
Red
alarm
LED
LED
display
SIB
LEDs
Routing
Engine
LEDs
Power supply
LEDs
Label Color State Description
FAIL Red On steadily Host is offline.
OK Green On steadily Host is online and is functioning normally.
MASTER Green On steadily Host is functioning as master.
g003259
SP0
SP1
SP2
SP3
SP4
ACO/LT
ENTER
MENU
HOST0
HOST1
FAIL OK
MASTER
FAIL OK
MASTER
FAIL OK
FPC 0
OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL OKFAIL
FPC 1 FPC 2
FPC 3
FPC 4 FPC 5 FPC 6 FPC 7
FPC LEDs and online/offline buttons
Host
subsystem
LEDsLCD display
Yellow
alarm
LED
Alarm
cutoff
button
Red
alarm
LED
SIB LEDs (5)
SIB LEDs (3) T320
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