Mediant 1000B Gateway & E-SBC
Hardware Installation Manual 76 Document #: LTRT-41441
6.2.4.2 Replacing a Power Supply Module
The following procedure describes how to replace the Power Supply module.
Note: If the device is installed with two Power Supply modules, the Power Supply
module that is not being replaced can remain connected to power, ensuring
uninterrupted power supply to the chassis.
To replace a Power Supply module:
1. Disconnect the power cord of the faulty Power Supply module from the power source,
and then remove the power cord from the AC power socket on the rear panel.
2. Remove the module:
a. On the front panel, loosen the two captive screws securing the module to the
chassis, using your hand.
b. Grip the two captive screws and gently pull the module so that it completely slides
out of the chassis slot.
3. Install the module:
a. Gently and carefully insert the module into the slot, by sliding the module along
the slot's guiding rails and keeping the module lifted up towards the roof of the slot
so that the base of the module does not touch the floor of the slot (and
damage the electrical components located on the underside of the module). Slide
the module into the slot until it makes contact with the card-edge connector
located on the backplane.
Figure 6-21: Inserting Power Supply Module (e.g., Secondary Power Supply Module)
b. Finger-tighten the two captive screws on the module to secure the module to the
chassis.
4. Connect the AC power cord to the power socket of the new Power Supply module and
then connect the other end to the AC power source, as described in Section 5.8 on
page 59.
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