AT&T MERLIN LEGEND Release 2.0 Installation Section page 270

Connecting Data Equipment
Setting Up a Modem Pool
This section provides one procedure, which applies to all types of modem
pools. Depending on the type of modem pool that you are installing, some
steps vary. These differences are noted throughout the procedure.
1. Connect each data module to an MLX station jack as indicated on
Form 2b, System Numbering—Digital Adjuncts:
a. Connect a D8W cord to the MLX jack and connect the other end
to the 440A4 terminating adapter.
b. Connect the terminating adapter to the LINE jack on the data
module using another D8W cord.
2. Connect each data module to a modem:
a. Connect one end of an EIA-232-D cable to PORT 1 on the data
module.
b. Connect the other end to the SERIAL connector on the modem.
3. Plug the WP90110-L7 power supply cord into the connector Iabeled
POWER on the data module.
NOTE:
If using the 277A multi-mount arrangement, see the 7500B data
module documentation for instructions on connecting the power;
however, do not connect anything to an AC outlet until you finish
setting up the entire modem pool.
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Modem Pools