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4A, S101A, and S102A Speakerphones
Color
The S101A and S102A speakerphones are silver.
4A Speakerphone
ON or QUIET button
This nonlocking button turns the speakerphone on (same as going off-hook). This button is also
used to place the speakerphone in a listen-only mode.
OFF button
This locking button turns the speakerphone off (same as going on-hook).
Volume
The volume of the speaker is controlled by this knob.
Color Options
The 4A Speakerphone is available in avocado, black, white, beige, and ivory.
Power
The S101A and S102A Speakerphone requires either AC or DC auxiliary power from one of the
sources listed the ADJUNCT POWER section of this manual. Power from the source supply is
applied by way of the voice terminal’s mounting cord and the speakerphone’s connecting cord.
The S102A draws its power from the system switch through the associated voice terminal; it does
not require an auxiliary power source.
The 4A Speakerphone requires auxiliary power from one of the sources listed in the ADJUNCT
POWER section of this manual. The power from the source supply is applied to the loudspeaker
set and the transmitter through an adapter or connecting block provided with the 4A Speaker-
phone.
Considerations
A speakerphone and a headset adapter cannot be connected to the same voice terminal simul-
taneously.
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