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Mapping Input Power from AC Power Distribution Modules to AC Power Supply Modules on MX2000 Routers

You connect AC power to the router by connecting two AC power cords to each AC PDM. One feed maps to six PSMs and the other maps to three PSMs. Figure 1 shows the mapping for the MX2010 and Figure 2 shows the mapping for the MX2020. The arrangement matches the internal components of the PDM. Table 1 shows the AC PDM input mapping to AC PDM0/Input0 and PDM1/Input1 (MX2010 and MX2020). Table 2 shows the AC PDM input mapping to AC PDM2/Input0 and PDM3/Input1 (MX2020 only).

Figure 1: Mapping AC Power Distribution Module Input to AC Power Supply Modules (MX2010)Mapping AC Power Distribution Module Input to AC Power Supply Modules (MX2010)
Figure 2: Mapping AC Power Distribution Module Input to AC Power Supply Modules (MX2020)Mapping AC Power Distribution Module Input to AC Power Supply Modules (MX2020)
Table 1: Input AC Power Mapping for PDM0 and PDM1

PDM0/Input0 (Left)

PDM0/Input0 (Right)

PDM1/Input1 (Left)

PDM1/Input1 (Right)

PSM0

PSM3

PSM0

PSM6

PSM1

PSM4

PSM1

PSM7

PSM2

PSM5

PSM2

PSM8

PSM6

PSM3

PSM7

PSM4

PSM8

PSM5

Table 2: Input AC Power Mapping for PDM2 and PDM3

PDM2/Input0 (Left)

PDM2/Input0 (Right)

PDM3/Input1 (Left)

PDM3/Input1 (Right)

PSM9

PSM12

PSM9

PSM15

PSM10

PSM13

PSM10

PSM16

PSM11

PSM14

PSM11

PSM17

PSM15

PSM12

PSM16

PSM13

PSM17

PSM14

Best Practice:

To achieve complete redundancy when you have two power sources, such as Source A and Source B, we recommend that you connect them as follows:

  • Connect Source A to PDM0-left and PDM0-right

  • Connect Source B to PDM1-left and PDM1-right