System information

May 2012 24 Version 1.0
of each. Furthermore, each RJ4 pin port is either mapped to FXO or FXS module depending on
the physical location of the FXO/FXS module on the card.
FXO/FXS Modules have RED/GREEN face and BLUE back. This way the installation of
FXO/FSX modules will be simplified. The analog port will glow RED or GREEN depending on
which type of modules is installed.
4.6.2 FXO/FXS Module and Ports Mapping
The bottom port is port 1 and top port is port 4.
The module closest to the 12v molex connector corresponds to ports 1 and 2 and the module
closest to the pci brackets corresponds to ports 3 and 4. See diagram below.