4.2.5 Installing/Removing the Optional Service Cards
CAUTION
• Before touching the product (PBX, cards, etc.), discharge static electricity by touching ground or
wearing
an earthing strap. Failure to do so may cause the PBX to malfunction due to static electricity.
• When installing or removing the optional service cards, the power switch must be turned off.
• When installing or removing the optional service cards, do not put pressure on any parts of the mother
board. Doing so may result in damage to the PBX.
Note
Make sure the AC power cord is not connected to the AC inlet of the PBX.
Installing a DSP Card in a DSP Card Slot
1. Position
a DSP card in an open DSP card slot. Then holding the card firmly in place, lower the rear end so
that the holes of the card are aligned with the screw holes.
Note
There
are 2 DSP card slots on the mother board. When installing only 1 DSP card, only one DSP card
slot will be used.
DSP Card Slot 1 DSP Card Slot 2
118 Installation Manual
4.2.5 Installing/Removing the Optional Service Cards
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