Network Port And Uplink Port Leds On Mx150; Figure 5: Leds On The Network Port; Table 4: Chassis Status Leds In An Mx150 - Juniper MX150 Hardware Manual

MX150 3D Universal Edge Router Hardware Guide

Table 4: Chassis Status LEDs in an MX150

LED Label
ALM (Alarm)
SYS (System)
MST (Master)
PH
Related
Documentation

Network Port and Uplink Port LEDs on MX150

8
Color
Unlit
Red
Amber
Green
Green
Unlit
A major alarm (red) indicates a critical error condition that requires immediate action.
A minor alarm (amber) indicates a noncritical condition that requires monitoring or
maintenance. A minor alarm left unchecked might cause interruption in service or
performance degradation.
All three LEDs can be lit simultaneously.
Front Panel of an MX150 on page 5
Each network port and uplink port on the front panel of an MX150 has two LEDs that
indicate link activity and port status (see

Figure 5: LEDs on the Network Port

Link/ Status
Activity
Table 5 on page 9 describes the link activity of the LED.
State and Description
There is no alarm or the device is halted.
There is a major alarm.
There is a minor alarm.
On steadily—Junos OS has been loaded on the device.
Blinking—The device is booting.
Off—The device is powered off or is halted.
On steadily—The device is functioning normally.
Off—The device is powered off or is halted.
This LED is not used. So, the status of this LED is off.
Figure 5 on page 8).
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