Nortel Networks Circuit Card 311 User Manual

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434

NT7D16 Data Access card

To configure this modem, set the configuration switches as follows:

•

switches 3, 8, and 10 to DOWN position

•

all other switches to UP position. Switch 7 should be UP when using
RJ-11 jack.

Programing DAC for mode 2 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 DAC must be configured as R232. When the DAC is
programmed as station hunting, outbound modem access should be in the
opposite direction to the 500/2500 station hunting for the inbound modem
access.

Note: If Call Detail Recording (CDR) is required, use separate outbound
and inbound Modem Pools.

Mode 3

This mode should be selected when the DAC is connected to a Hayes-1200
modem for inbound Hotline operation. It is recommended that mode 1 be
used for inbound Hotline operations if some other modem is available.
However, if only Hayes-1200 modems are available, then this mode could
be used as a last resort.

Configuring Hayes 1200 for mode 3

For Hayes 1200 modem, set the following parameters in LD11:

DEMDTE
PRMOFF
DTRON
HOTON

To configure this modem, set the configuration switches as follows:

•

all switches to UP position, except for switch 4. Switch 7 should be
UP when using RJ-11 jack.

Programing DAC for mode 3 in service change LD11

The DAC must be configured as R232 (the Autodial feature is used for this
mode). The DAC must not be configured as an ADM trunk.

Selecting the proper mode for Gateway connectivity

Select modes 4, 5, 6, and 7 when the DAC is connected to different types of
gateways for inbound and outbound operations. The term gateway refers to
any equipment that has the following characteristics:

•

The equipment must be a DCE.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008