Line 1-4 RJ11×4 Connector
No. Signal Name
Input (I)/
Output (O)
Function
3A FXO-A-TIP - CO Tip Port1
4A FXO-A-RING - CO Ring Port1
3B FXO-B-TIP - CO Tip Port2
4B FXO-B-RING - CO Ring Port2
3C FXO-C-TIP - CO Tip Port3
4C FXO-C-RING - CO Ring Port3
3D FXO-D-TIP - CO Tip Port4
4D FXO-D-RING - CO Ring Port4
LAN Port/WAN Port (10BASE-T/100BASE-TX)
No. Signal Name
Input (I)/
Output (O)
Function
1 TPO+ O Transmit data (+)
2 TPO- O Transmit data (-)
3 TPI+ I Receive data (+)
4 Reserved -
5 Reserved -
6 TPI- I Receive data (-)
7 Reserved -
8 Reserved -
3.3.1 Mother Board
Getting Started 61