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Set Up System Access
Issue 10 June 2005 73
4. Set the operating mode as described in the following table.
5. Disconnect the terminal from the data module and reconnect the data module to the system
cabling.
Setting the 7400B+ options
To set the options on a 7400B+ data module:
1. Set the DIP switches for the 7400B+ using Table 7
. The DIP switches are located inside the
unit. To access them
a. Remove the power cord from the unit.
b. Remove the cover from the top rear of the unit.
c. Set the dip switches.
d. Replace the cover.
e. Connect the power cord.The unit performs a self test.
2. If any switches were set in step 1, cycle the power to the data module so that the firmware
can read the new switch settings.
Type of
Data
Module
How to set the operating mode
8400B+ Type AT&F and press Enter. Type ATS24=1 and
press Enter. Type AT&WØ and press Enter to
save the operating mode into non-volatile RAM.
7400A
7400B+
Type AT&F and press Enter. Type AT&WØ and
press Enter to save the operating mode into
non-volatile RAM.
Table 7: DIP Switch Settings (7400B+)
Option DIP Switch Setting
No Telephone Connected 1 On
Data Metering 5 Off
Suppress Touch-tone/Dial Tone 6 Off
Speakerphone Disable/Enable 7 Off
Busyout on Local Loop 8 Off
Unused DIP Switches 2, 3, and 4 Off