Panasonic KX-TDA50 用户手册
2.4 Information about the Extension Cards
Installation Manual
73
2.4.8
IP-EXT4 Card (KX-TDA5470)
Function
4-channel VoIP extension card. Compliant with Panasonic proprietary protocol, and ITU-T G.729a and
G.711 CODEC methods.
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
Notes
•
The maximum length of the cable to be connected to this optional service card is 100 m (328 ft).
•
When connecting the RJ45 connector, attach the included ferrite core. Refer to "2.2.9 Attaching a
Ferrite Core".
Ferrite Core".
Pin Assignments
RJ45 Connector (100BASE-TX)
Signal Name
Input (I)/Output (O)
Function
TPO+
O
Transmit data+
TPO-
O
Transmit data-
TPI+
I
Receive data+
TPI-
I
Receive data-
–
–
Reserved
RJ45
LEDs
To LAN
1 8
TPO+
TPO-
TPI+
TPI-