Operating modes 431
Auto-reset capability This feature is requiredwhen the modem is used
for outbound modem pooling. The modem should execute auto-reset
when the DTR lead goes OFF.As a result, the modem must reset all its
internal parameters to the default values. This feature prevents the users
of the modem pool from modifying the modem’s default parameters to
inappropriate values.
Configuring modems for mode 0
Toconfigure Hayes modem 2400, enter the following commands:
AT&D2&W
ATVl&W
ATQ&W
ATEl&W
ATSO=1&W
AT&Cl&Sl&W
AT&J&W
ATB1&W
AT&D3&W
Since the default parameters are programmableusing commands, there is
no guarantee that users cannot change them.
Toconfigure Bizcomp 1200 modem, set the following parameters in LD11:
DEMDTE
PRMOFF
DTROFF
HOTOFF
•Toconfigure MULTI MODEM 224E modem, set the configuration
switches as follows:
switches 3 and 8 to DOWN position
•all other switches to UP position. Switch 7 should be UP when using
RJ-11 jack.
Programing DACfor mode 0 in service change LD11
When used for inbound or outbound Modem Pool only,the DAC can be
configured as R232 in LD11. When used for both inbound and outbound
Modem Pool, the DACmust be configured as R232; station hunting for
the outbound modem access should be in the opposite direction to the
500/2500 station hunting for the inbound modem access. See Figure 109
"DACto Modem Pool connectivity" (page 432) for more details.
Note: If Call Detail Recording (CDR) is required, use separate outbound
and inbound Modem Pools.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23May 2008
Copyright© 2003-2008, Nor tel Networks
.