Lucent Technologies AT&T 7400B - Manual (Page 19)

CHAPTER 2: INSTALLATION DEFINITY Communications System
7400B Data Module
Page 2-8 User’s Guide
Setting the Hardware Three hardware options are selected by setting switches on an internal
Option DIP Switches 8-position DIP switch. Setting these switches is described in the
following paragraph; however, for more information about using these
options, refer to Chapter 4, “Operation and Configuration.”
Note: The factory-default settings of these switches are correct for
the vast majority of applications. Check the default settings
shown in Table 2-1 to determine whether you need to make
any changes.
Telephone SW1-1
Without Phone ON
With Phone OFF
(factory-default)
Data Metering SW1-5
On—enabled ON
Off—disabled OFF
(factory-default)
Busy Out on Local Loop SW1-8
On—enabled ON
Off—disabled OFF
(factory-default)
TABLE 2-1 Option DIP Switch Settings