Hardware Installation Manual 6. Hardware Maintenance
Media Gateways & SBCs 75 Mediant 1000B Gateway & E-SBC
6.2.4.1 Installing an Optional, Secondary Power Supply Module
The procedure below describes how to install the optional, secondary (spare) Power Supply
module.
To install the spare Power Supply module:
1. On the front panel, remove the blank panel covering the slot intended for housing the
second Power Supply module, as shown in the figure below. To do this, use a Philips
screwdriver to remove the two screws securing the blank panel to the chassis.
Figure 6-19: Screws on Blank Panel Cover
2. Hold the Power Supply module in the orientation as shown in the figure below, and
then 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 6-20: Inserting Power Supply Module
3. Finger-tighten the two captive screws on the module to secure the module to the
chassis.
4. On the rear panel, remove the plastic sticker covering the AC power socket, which
corresponds to the second Power Supply module that you inserted into the chassis
slot.
5. Cable to the power source, as described in Section 5.8 on page 59.
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