Panasonic KX-NS500 - Page 93

2. Holding the rear end of the card, pull the card in the direction of the arrows.
Installing an Optional Service Card in the Free Slot
In the Main Unit KX-NS500 and Expansion Unit KX-NS520, there are Free slots for Trunk/Doorphone cards
and
Free slots for Extension cards. In Free slots for Trunk/Doorphone cards, you can install the following cards:
LCOT6, PRI23, PRI30/E1, BRI2, BRI4, and DPH2 card. In Free slots for Extension cards, you can install the
following cards: DHLC4, DLC8, DLC16, MCSLC8, MCSLC16. For details, refer to the description of each
optional service card in "4.5 Physical Trunk and Extension Cards" and "4.7 The Doorphone Card".
KX-NS500 KX-NS520
Extension Card Slots
Trunk/Doorphone
Card Slots
Extension Card Slots
Trunk/Doorphone
Card Slots
Installation Manual 93
4.2.5 Installing/Removing the Optional Service Cards