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Specifications
2-2 Issue 1 October 1998
Specifications
Introduction
This chapter contains information on specific electrical
and mechanical parameters. It is provided as a reference
on the design of the Rack and cards.
Minimum Data
Rate
Transmission
Line
Conditions
The Switch Cards within the Rack operate on a standard
analog line. A minimum data rate of 14.4 Kbps is
required for voice functionality. The recommended data
rate is 19.2 Kbps. Contact the local telephone company
for special conditioning if these rates cannot be
maintained.
The DEFINITY Extender Model 3000 and Model 3100
have been tested under transmission line conditions
specified in TSB-37A. The specification calls for
checking modem operation over the equivalent of 95% of
the identified analog line types in North America. This
means that the DEFINITY Extender Model 3000 and
Model 3100 should operate properly over nearly all
telephone line conditions. However, the actual connect
rate will vary based on the quality of the telephone line.
NOTE: Specifications are subject to change without notice as technological
or manufacturing changes warrant.