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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
Data Modules
21-53The DEFINITY High Speed Link
21
Switched Endpoints
The DTE must be capable of communicating at 56 kbps or 64 kbps. Proper
switched operation requires that the DTE supports a Data Terminal Ready (DTR)
lead on its V.35 interface. The DTR lead provides the signal to the HSL that it is
ready to receive or originate a call. Before the High Speed Link can originate (dial)
or answer a call, the DTR lead must be asserted (high) by the DTE. In addition,
the DTE uses the DTR lead to signal the HSL to drop a call. This is accomplished
by turning off its DTR lead.
Switched Applications
Switched applications are applications using the switched network. ACCUNET
Switched Digital Services (SDS) and Software Defined Data Network (SDDN) are
examples of switched applications. See Figure 21-17 for an example of a switched
configuration. For additional information on switched applications,
implementations, and administration, refer to the
DEFINITY High Speed Link
User’s Manual
, 555-020-711, Appendix D: Applications and Switch
Administration.
Figure 21-17. Switched Network Application
RS-366
Video
V.35
HSL
DCP
HSL
DCP
RS-366
V.35
RS-366
V.35
HSL
DCP
HSL
DCP
RS-366
V.35
Video
DEFINITY G1 DEFINITY G2
Switched
Network