Hardware Component Overview
The lines in the display report the following informatio n:
First line—Routing node name.
Second line—Number of active alarms.
Third and fourth lines—Individual alarm messages, with the m ost severe
condition shownfirst. The prefixon each line indicates whether the alarm is a
red (R) or yellow (Y) alarm.
For a list of alarm messages that canappear on the LCD, see “Chassis
and Interface Alarm Messages” on page 209.
Host Module LEDs
Attheupperrightcornerofthecraftinterface(seeFigure11)aretwosetsofLEDs
that indicate host module status: the set labeled HOST0 reports the status of the
Routing Engine in slotRE 0 and MCS in slot MCS 0, and the set labeled HOST1 reports
thestatusoftheRoutingEngineinslotRE 1 and the MCS in slot MCS 1.Eachset
includes three LEDs—a green onelabeled MASTER, an other green one labeled
ONLINE, and a red one labeled OFFLINE. Table 10 describes the LED states.
Table 10: States for Host Module LEDs
Label Color State Description
MASTER Green On steadily Host module is functioning as master.
On steadily Host module components (Routing Engine and
MCS) are installed and functioning normally.
ONLINE Green
Blinking Host module is starting up.
OFFLINE Red On steadily One or both host module components are not
installed or have failed.
FPC LEDs and Offline Button
The LEDS and offline button for each FPC arelocated directly above it on the
craft interface,as shown in Figure 11. The red LED labeled FAIL and the green
LED labeled OK indicate FPC status, as described in Table 11.
The offline button, labeled with the FPC slot number (for example, FPC2),
prepares the FPC for removalfrom the router when pressed.
Craft Interface 31