Mx2008 Ac Power Supply Module Leds - Juniper MX2008 Hardware Manual

mode DIP switch located on the AC PSM. Move the input mode DIP switch to the on or off position to
determine the power supply feeds (see
Table 21: DIP Switch Positions on the AC PSM
Left Switch Position
Off
On
Off
On
Figure 21: Selecting the Input Feed on the AC Power Supply Module
PWR OK FAULT
INP0 INP1
A PSM failure triggers the alarm LED on the craft interface. For information about connecting to AC power
sources, see "MX2008 AC Power System Electrical Specifications" on page

MX2008 AC Power Supply Module LEDs

Each AC PSM faceplate contains four LEDs. These LEDs are described in
a total of nine bicolor LEDs located in the craft interface, and are labeled 0 through 8 for the nine PSMs.
Both feeds are alive during operation, but only one feed provides current. In addition, a PSM failure triggers
the red alarm LED on the craft interface.
Table 21 on page 65
Right Switch Position
Off
Off
On
On
ON
0 1
and Figure 21 on page 65).
Input Source
None
Input 0 (INP0)
Input 1 (INP1)
Both Input 0 and Input 1
85.
Table 22 on page
65
66. There are