Juniper MX2010 Hardware Manual page 389

3. Move the DC circuit breaker on the power input source to the off position.
4. [Optional]—If you are switching from an AC PDM to DC PDM, see Converting an MX2000 Router Between
AC and DC Power for instructions on how to change the setting on the internal bar of the power
distribution unit (PDU) cage to DC.
5. Remove the blank panel covering the PDM slot in the chassis.
6. Open the locking levers on the PDM.
7. While holding both handles, guide the PDM until the locking levers are inserted into the chassis. With
both hands push the locking levers simultaneously until the PDM is fully seated into the chassis (see
Figure 166 on page 373).
Figure 166: Installing an MX2020 Router DC Power Distribution Module (240 V China)
8. Tighten both captive screws on the PDM. Apply between 10 lb-in. (1.13 Nm) to 12 lb-in. (1.35 Nm) of
torque to each screw. Do not overtighten the screws.
9. Starting at one end of the PDM, plug the power cords into the power sockets on the PDM. Press the
latch on the side of the power cable before pushing it in. Apply slight pressure so that the power cord
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