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Select B-channel V.120 protocol (BV64U, BV64I, BV56U, and BV56I) for connection to
equipment supporting this newer industry standard protocol. Select BV64I for error
corrected (I-frame) mode or BV64U for uncorrected (UI-frame) mode connections over
64 kbps facilities. Select BV56I for error corrected (I-frame) mode or BV56U for
uncorrected (UI-frame) mode connections over 56 kbps facilities.
The data mode option setting must correspond to the capabilities administered on your ISDN
telephone line. Contact your System Administrator for information on the proper setting of this
option. For more detailed information on data mode, refer to the Mode option in the Data Option
Definitions section of Chapter 4, ''Data Options and Profiles.''
The local mode option lets you select which form of commands and responses your ADM will
use after it is powered up. Local mode option values are CMD, AT, Enhanced AT, and Off.
Select CMD (factory setting) for the most user friendly interface with on-screen help.
Select AT if your PC communications package requires the use of an AT command set.
Select Enhanced AT only if you are using a PC communications package intended for use
with the AT&T ISDN Telephone Application Programming Interface. Enhanced AT mode
allows your PC to monitor and control all aspects of your ISDN voice and data telephone
service. For more information on Enhanced AT, refer to the Integrated Services Digital
Network (ISDN) Application Programming Interface (API) Programmer's Manual,
533-705-200.
Select Off to disable the ADM from accepting commands and issuing responses through the
Electronic Industries Association (EIA) interface. The Off mode is useful when your ADM
is connected to a receive-only device, such as a printer.
Set the speed option to the highest speed compatible with your data terminal or PC
communications package. Speed option values range from 1200 bps to 57.6 kbps. The factory
setting is 9.6 kbps.
Set the parity option to match the requirements of your data terminal or PC communications
package. Parity option values are odd, even, mark, or space. If your data terminal or PC
communications package does not require a particular parity, set the parity option to ''space''
(factory setting).
The factory settings (default settings) may work for you. If these settings are not correct for your
particular set-up, follow the steps in the following sections to change them.
Setting Options on the 7506 or 7507 Display Sets*
With the ISDN 7506 or 7507 set, you may find it easier to follow the instructions on the set's
display.
Press
. The green lamp comes on.
1
Select
Note:
This button may be labeled
on older sets.
Shift/Select
Getting Started
2-3
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