• 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.
• Disconnect the AC power source before servicing the equipment.
Note
Make sure the AC power cord is not connected to the AC inlet of the PBX.
Installing an Optional Service Card in the Free Slots
In the Main Unit, there are free slots for trunk/doorphone cards and free slots for extension cards.
In the free slots for trunk/doorphone cards, you can install one each of the following cards: LCOT4, DPH2.
In the free slots for extension cards, you can install one or more of the following card: SLC8.
For details, refer to the description of each optional service card in "3.3.2 LCOT4 Card (KX-HT82480)",
"3.3.3 SLC8 Card (KX-HT82470)" and "3.3.4 DPH2 Card (KX-HT82460)".
A Trunk/Doorphone Card Slots
B Extension Card Slots
3.2.5 Installing/Removing the Optional Service Cards
44 Getting Started
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