Samsung
DCS-408 & 408i Keyphone System Installation Manual
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This chapter describes how to connect the following equipment: Music-on-Hold/Background
music, external paging, common bell, serial printer for SMDR, a PC for remote programming,
a Computer Telephony Module
, Voice Mail System/Automated Attendant, and a doorphone.
You will see occasional references to MMCs for programming system features: in these
cases, refer to the Samsung Combined Programming Manual for descriptions of the MMCs.
Music-On-Hold/Background Music
You can select an internal music source or an external music source by moving a jumper on
the baseboard of the DCS-408/408i system. Various media such as a CD player and a radio
can be used as the external music source.
You can program the system such that music can be received by the system during conver-
sation over a trunk or a station. In this case, when the music-on-hold key of the digital keyset
is pressed, the system sends tone or internal music to a trunk (as set in MMC 408, Assign
Trunk Music On Hold Source) or a station (as set in MMC 309, Assign Station Music On
Hold). In addition, a digital keyset can be served with an external music source or an internal
music source as background music (as set in MMC 308, Assign Background Music Source).
An internal music source is selected by default. To select an external source, follow these
steps.
1. Remove the side cover and the front cover from the system unit. (This is described in
Chapter 2
.)
2. A small jumper (labelled MOH) is provided at the lower right-hand side of the baseboard.
The jumper is located over the [INT] pin by default. To use an external music source, lift
the jumper off the pins and replace it on the [EXT] pin. (The diagram below shows the
DCS-408 system. The jumper position is the same for the 408i.)
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