Installing The Direct Station Selector - AT&T MERLIN LEGEND Release 2.0 Installation Section

Installing Telephones and Adjuncts

Installing the Direct Station Selector

The DSS is an optional piece of telephone equipment. One or two DSSs can
be connected to an MLX-28D or MLX-20L telephone.
NOTE:
Connect the DSS(s) before you install the MLX telephones.
Before installing the DSS, consider the following:
Auxiliary power is required under the following circumstances:
—
power unit.
—
KS22911-L2 power unit.
—
KS22911-L2 power unit, 400B adapter, and the D6AP cord that
is provided with the MFM.
— If one carrier has three or more MLX telephones, each with a
DSS attached, use aKS22911-L2 power unit, 400B adapter,
and D6AP cord for each MLX telephone and DSS after the first
The total length of cords between the KS22911-L2 or 329A power
supply and the MLX telephone can be no more than 50 ft (15 m).
Do not replace the 2-foot (61-cm) D8AC cord (packaged with the DSS)
with a longer cord. Improper operation may result.
Connect each KS22911-L2 power supply to an AC outlet that is not
controlled by a wall-switch.
An MLX telephone with an MFM and two DSSs requires a 329A
An MLX telephone (without an MFM) has two DSSs requires a
An MLX telephone with one DSS and an MFM requires a
two.
Installing the Direct Station Selector
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