Juniper MX2010 Hardware Manual page 56

Table 10: Craft Interface LEDs, Buttons, and Connectors
Function No.
1
2
3
4
5
6
7
8
9
Label
PSM
FANTRAYS
RE0 (MASTER, ONLINE, and
OFFLINE)
RE1 (MASTER, ONLINE, and
OFFLINE)
MINOR ALARM
MAJOR ALARM
ACO/LT
M/S CHASSIS NUM
MINOR ALARM–[NC C NO]
MAJOR ALARM–[NC C NO]
CB-RE 0 and CB-RE 1
Description
Status LEDs for PSMs 0 through 8
Status LEDs for fan trays 0 through 3
Two sets of status LEDs per host subsystem.
There are three LEDs per Routing Engine.
Minor Alarm LED for monitoring or maintaining
the MX2010
Major Alarm LED for critical conditions, which
can result in system shutdown
Alarm Cutoff/ Lamp Test Button. Turns off both
minor and major alarms and deactivates the
device attached to the corresponding alarm relay
contact on the craft interface
Chassis ID Dial and Standalone Dial. One dial is
used to indicate the chassis number for
multi-chassis configurations. The second dial is
used to indicate whether the chassis is operating
in standalone mode or as part of a multichassis
system.
Two sets of alarm terminal contacts. Each
consisting of normal open and normal closed
relays that signal a minor or major alarm when
broken.
Online and Offline buttons located next to each
Control Board and Routing Engine (CB-RE)
enable you to take individual CB-REs offline or
online.
Status LEDs for the two CB-REs cards.
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