Internal Analog Modem Application - ADTRAN Express 3100 User Manual

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Chapter 7. Installing an Analog Modem
Command
OK response (sets modem baud rate).
AT <cr>
Identifies the modem (verifies modem connected).
ATI <cr>
Sets CD to normal.
AT&C1 <cr>
Saves settings.
AT&W <cr>
Disables external analog modem.
AT_L0 <cr>

INTERNAL ANALOG MODEM APPLICATION

The following items are necessary to connect an internal analog mo-
dem to the Express 3100:
Internal analog modem
RJ-11 to RJ-11 telephone cable
When using an internal analog modem with the Express 3100, two
COM ports are assigned on the PC and configured independently. See
the manufacturer's documentation for internal analog modem config-
uration.
Figure 7-1 on page 7-3 illustrates the connections for installing an in-
ternal modem to the Express 3100.
7-2
Function
Express 3100 User Manual
61200240L2-20

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