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Connecting Data Equipment
The physical connections for both digital-to-analog and analog-to-digital pairs
are the same. It is the option settings on the modem and data module and
the system programming (done in SPM) that distinguish one type of modem
pool from another.
NOTE:
Since an MLX telephone is not part of the
440A4 terminating resistor to connect the
jack in every modem pool configuration.
Data Hunt Groups
configuration, you must use a
data module to the MLX station
In a digital-to-analog modem pool, the data modules are assigned to a data
hunt group, which is an extension that is dedicated to a modem pool. When a
call reaches the dialed data hunt group, the call is directed to the first idle
data module in the pool.
Similarly, in an analog-to-digital modem pool, the modems are assigned to a
data hunt group.
Inside and Outside Data Calls
To setup modem pools that handle calls both within the system and outside,
you will use a basic station jack on an 012 or 008 OPT module to connect
each modem to the control unit. Each data module connects to an MLX
station jack on an 008 MLX or 408 GS/LS-MLX module. See Figure 6-8 and
follow the detailed procedures in this section.
Outside Data Calls Only
To setup modem pools that handle only the calls that are transmitted over
outside trunks, you will use an MLX station jack on an 008 MLX or a
408 GS/LS-MLX module to connect each data module to the control unit. The
modems connect directly to the network interface, not the control unit.
See Figure 6-8 and follow the detailed procedures in this section.
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Modem Pools