User Guide
Changing the Speaker Jumper
The speaker jumper (J8) is next to the external speaker jack (see Figure
•To use the MT5634ZBAV modem with a monophonic external speaker, remove the jumper plug from the J8 jumper pins. You can store it by placing it on one jumper pin.
•To use the MT5634ZBAV modem with a stereo speaker or sound card, place the jumper plug on both pins of the J8 jumper. This is the factory default position.
Changing the Dial-Up/Leased-Line Jumpers
As shipped from the factory, your modem is configured for normal dial- up operation. That is, the modem must dial a phone number to connect to another modem. To use the modem on a leased line, you must change jumper J10 to select leased line operation, and J11 to select whether it will be the originating or the answering modem. (If
•To use the modem on a leased line, move the J10 jumper plug from the default
•To make the modem the originating modem on the leased line, move the J11 jumper plug to the originate position.
•To make the modem the answering modem on the leased line, leave the J11 jumper plug in the factory default answer position.
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