Juniper MX2010, Hardware Manual

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Table 10: Craft Interface LEDs, Buttons, and Connectors
Description Label Function No.
Status LEDs for PSMs 0 through 8 PSM 1
Status LEDs for fan trays 0 through 3 FANTRAYS 2
Two sets of status LEDs per host subsystem.
There are three LEDs per Routing Engine.
RE0 (MASTER, ONLINE, and
OFFLINE)
RE1 (MASTER, ONLINE, and
OFFLINE)
3
Minor Alarm LED for monitoring or maintaining
the MX2010
MINOR ALARM 4
Major Alarm LED for critical conditions, which
can result in system shutdown
MAJOR ALARM 5
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
ACO/LT 6
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.
M/S CHASSIS NUM 7
Two sets of alarm terminal contacts. Each
consisting of normal open and normal closed
relays that signal a minor or major alarm when
broken.
MINOR ALARM–[NC C NO]
MAJOR ALARM–[NC C NO]
8
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.
CB-RE 0 and CB-RE 1 9
30