You can connect either a USB or a serial modem to Branch Gateway. A USB modem must be connected to the USB port on Branch Gateway chassis. A serial modem must be connected to the Console port (CONSOLE) on Branch Gateway chassis.
The USB port and the Console port require configuration for modem use.
For more information about these commands, see Avaya Branch Gateway G450 CLI Reference.
Note:
If you have an Avaya Service contract, no configuration of the USB port is necessary for Services personnel to remotely access Branch Gateway through a USB modem.