2.4 Information about the Extension Cards
IP-EXT4 Card (KX-TDA3470)
4-channel VoIP extension card. Compliant with Panasonic proprietary protocol, and ITU-T G.729a and
G.711 CODEC methods.
Accessories and User-supplied Items
Accessories (included): Ferrite core × 1, Extension Bolt × 1, Strap × 1
User-supplied (not included): RJ45 connector
The maximum length of the cable to be connected to this optional service card is 100 m.
When connecting the RJ45 connector, attach the included ferrite core. Refer to "2.2.8 Attaching a
RJ45 Connector (100BASE-TX)
Input (I)/Output (O)