Juniper MX2010, Hardware Manual

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MX2020 AC Power Requirements
MX2020 Power Subsystem Description
MX2000 Three-Phase Delta and Wye AC Power Distribution Module LEDs
Figure 40 on page 107 shows the LEDs on the three-phase delta AC PDM faceplate. The three-phase wye
AC PDM has the same LEDs. The LEDs in Table 33 on page 107 indicate the status of the AC PDM. In
addition, a PDM failure triggers the red alarm LED on the craft interface.
Figure 40: Three-Phase Delta AC PDM LEDs
g007063
200-240V
; 3W +
PE, 50A
200-240V
;3W
=PE,
50A
Table 33: Three-Phase Delta AC PDM LEDs
Description State Color Label
The left AC terminal block is receiving voltage. On Green ←
The left AC terminal block is not receiving voltage. Off —
The right AC terminal block is receiving voltage. On Green →
The right AC terminal block is not receiving voltage. Off —
MX2000 AC Power Supply Module Description
There are a total of nine AC power supply modules (PSMs) located at the rear of the chassis in slots PSM0
through PSM8 (left to right). The AC PSMs in slots PSM0 through PSM8 provide power to:
107