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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Data Modules
21-49The DEFINITY High Speed Link
21
The DEFINITY High Speed Link
Figure 21-16. The DEFINITY High Speed Link
The DEFINITY HSL is a data service unit that allows data equipment to access
the data services of System 75 and System 85 and the DEFINITY switch. It is
used where the integration of voice and data is not required. The HSL supports
synchronous data transmission at speeds of 56 and 64 kbps, and provides a link
to high speed data networks.
The DEFINITY HSL provides access to various switched and dedicated (private)
data networks, including Group 4 Fax, Video Teleconferencing, LAN Interconnect,
and Cluster Controller/Front-End Processor Connections.
POWER/
DATA
DEFINITY High Speed Link
DTR
RI
DCD
RTS
CTS
TD
RD
DSR
TEST
ENTER/ YESBACKNEXT /NO
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