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MERLIN LEGEND Communications System Release 6.1
Installation
555-661-140
Issue 1
August 1998
Installing Telephones and Adjuncts
Page 3-43
Installing Direct Station Selectors
Installing Direct Station Selectors
The Direct Station Selector (DSS) is an optional piece of telephone
equipment. You can connect up to two DSSs to an MLX-28D or
MLX-20L telephone that is programmed as an operator console.
Considerations
Review the following items before you begin the installation procedure.
■ Connect the DSSs before you assemble the MLX telephones.
■ Auxiliary power is required under the following circumstances:
— An MLX telephone with an MFM and two DSSs requires a
406743419 power unit.
— An MLX telephone without an MFM, but with two DSSs,
requires a 406943837 power unit, 400B adapter, and the
D6AP cord provided with the MFM.
— An MLX telephone with one DSS and an MFM requires a
406943837 power unit, 400B adapter, and the D6AP cord
provided with the MFM.
— If one carrier has three or more MLX telephones, each with
a DSS attached, use a 406943837 power unit, 400B
adapter, and D6AP cord for each MLX telephone and DSS
after the first two.
■ The total length of cords between the KS22911-L2 or 406743419
power supply and the MLX telephone must not be more than
50 ft. (15 m).
■ Do not replace the 2-ft. (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.