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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Data Modules
21-41The Z702AL1 Data Service Unit (DSU)
21
The Z702AL1 Data Service Unit (DSU)
Figure 21-12. The Optional Z702AL1 Data Service Unit Shown with
a 7407D01B Voice Terminal
The Z702AL1 DSU, when connected to the 7407D01B voice terminal, allows the
user to transmit and receive voice and data over the same standard two pair of
wires. The DSU provides the RS-232-C connection the data terminal needs to
communicate with other data equipment without separate lines or modems.
(See Figure 21-13.) The DSU supports asynchronous, full duplex operation.
SPEED
RESULTS TEST/DISC EVEN-ODD
PA R I T Y
TEST