User Manual

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Configuring the traffic interfaces | 103
5. Select the DFXO Control.
The DFXO Control page sets values for both ports on the DFXO card. The cards are shipped with
the default values shown in the illustration below:
'Slot' shows the slot the DFXO interface card is plugged into in the terminal (A – H).
6. Select the DFXO PCM Law.
This option sets the companding law used by both ports on the DFXO card.
A-Law is used internationally (default)
µ-Law is used in North America and Japan.
Note: To run a mixture of µ-Law and A-Law interfaces, multiple DFXO cards are necessary.