MX2020 3D Universal Edge Router Hardware Guide
10
Remove field replacement units (FRUs) from the rear of the MX2020 router before you
install the router. See
Table 5 on page 10
Table 5: Rear Components in a Fully Configured DC-Powered MX2020
Router
Component
Component
No.
Description
1
Upper fan trays (two)
2
DC PDM
3
DC PSM
4
PSM air filter
5
DC PDM
6
DC PDM
7
DC PSM
8
PSM air filter
9
DC PDM
10
DC cable
manager–(standard or
extended)
11
Fan tray air filter
12
Lower fan tray (two)
The MX2020 router has four electrostatic discharge (ESD) points. Two are located on
either side of the upper MPCs on the front of the chassis. A second pair is located on
either side of the lower MPCs on the front of the chassis (see
for information on MX2020 router components.
Slots
Fan tray 2 and fan tray 3
(behind cage door)
PDM3/Input1
9 through 17
–
PDM2/Input0
PDM1/Input1
0 through 8
–
PDM0/Input0
–
–
Fan tray 0 and fan tray 1
(behind access door)
Figure 4 on page
Copyright © 2015, Juniper Networks, Inc.
Number of FRUs
2
1
9
1
1
1
9
1
1
4
1
2
11).