User guide

Modem Option Settings
Issue 1 September 1995
B-19
7400B Data Module Settings
Set the two dip switches located under the top panel of the 7400B data module
as follows:
■ SW1-1:
— Set to ON if a telephone is
not attached to the 7400B
— Set to OFF if a telephone
is attached to the 7400B
■ SW1-5: 0set to ON
See
7400B Plus Data Module User’s Guide , 555-020-710 for instructions on how
set options on the 7400B data module.