Mx2020 Fan Tray Leds On The Craft Interface; Mx2020 Alarm Relay Contacts On The Craft Interface; Alarm And Display Components; Table 19: Sfb Led On The Craft Interface - Juniper MX2020 Hardware Manual

MX2020 Fan Tray LEDs on the Craft Interface

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MX2020 Alarm Relay Contacts on the Craft Interface

Copyright © 2015, Juniper Networks, Inc.

Table 19: SFB LED on the Craft Interface

Label Color
Green
OK
–
Red
FAIL
There are eight push buttons located next to each of the SFBs on the craft interface.
These buttons are used to place the SFBs online or offline.
The fan tray LEDs, labeled
Table 20 on page 41 describes the functions of the fan tray LEDs.

Table 20: Fan Tray LEDs on the Craft Interface

Label Color
Green
FAN TRAY
Red
MX2020 Craft Interface Description on page 37
MX2020 Alarm Relay Contacts on the Craft Interface on page 41
The craft interface has two alarm relay contacts for connecting the router to external
alarm devices. (see Figure 19 on page
the red or yellow alarm on the craft interface, the alarm relay contacts are also activated.
The alarm relay contacts are located on the upper right of the craft interface (see
Table 21 on page 42).
State Description
On steadily SFB functioning normally.
Blinking SFB is transitioning online or offline.
Off The slot is not online.
On steadily SFB has failed.
0 through 3 , are located on the top middle of the craft interface.
State Description
On steadily Fan is functioning normally.
On steadily Fan in a Fan Tray has failed.
Fan Tray has failed.
42) Whenever a system condition triggers either
Chapter 4: Alarm and Display Components
41