Figure 3: Rear View Of A Fully Configured Dc-Powered Mx2020 Router - Juniper MX2020 Hardware Manual

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Table 4: Rear Components in a Fully Configured AC-Powered MX2020
Router (continued)
Component Component
No. Description
5 AC PDM—Three-phase
delta or wye
6 AC PDM—Three-phase
delta or wye
7 AC PSM
8 PSM air filter
9 AC PDM)—Three-phase
delta or wye
10 Fan tray air filter
11 Lower fan trays (two)

Figure 3: Rear View of a Fully Configured DC-Powered MX2020 Router

Chassis
1
2
3
4
5
6
7
8
9
10
11
12
Chapter 2: System Overview and Architecture
Slots Number of FRUs
PDM2/Input0 1
PDM1/Input1 1
0 through 8 9
– 1
PDM0/Input0 1
– 1
Fan tray 0 and fan tray 1 2
(behind access door)
9