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Programing DAC for mode 4 in service change LD 11
When used for inbound or outbound gateway access, the DAC can be
configured as R232 in LD 11. When used for both inbound and outbound
gateway access, the DAC must be configured as R232. When the DAC is
programmed as station hunting, outbound gateway access should be in the
opposite direction to the hunting for inbound gateway access. See
111 "DAC to Gateway-Inbound/Outbound connectivity" (page 437)
details.
Figure 111
DAC to Gateway-Inbound/Outbound connectivity
Mode 5
This mode should be selected when the DAC is connected to an
auto-answer gateway for inbound Hotline operation. In this mode, the DAC
automatically executes Hotline operation when DCD is driven ON by the
gateway. If the DM being called by the Hotline operation is busy or not
answering, the DAC places repeated Hotline calls as long as the DCD lead
is ON until the called unit answers. The following features are required
on the gateway used in this mode:
Auto-answer capability This feature is required when the gateway is used
for inbound operation. It allows the gateway to drive the DCD lead ON
when the inbound data call is pending. In addition, the gateway should
auto-answer when the DTR lead is ON.
Copyright © 2003-2008, Nortel Networks
.
Note: If CDR is required, use separate outbound and inbound gateway
access.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Operating modes 437
Figure
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