Samsung DS 616, Technical Manual

Page: 13 / 42

DS 616 INSTALLATION
TECHNICAL MANUAL PART 2 JUNE 2002
2.7
2.8 SELECTING OPTIONS ON THE BASIC KSU
(Figure 2–4)
There are two hardware options to select in the Basic KSU: Memory Backup Selection,
and Music Source Selection.
2.8.1 MEMORY BACKUP SELECTION
The system is equipped with data memory, 256 Kbyte and memory backup circuitry (a
super capacitor) to protect customer data in case of any power failure. The memory
backup circuitry has a shunt-pin switch to toggle enabling backup. Before shipment,
the switch is selected OFF to prevent the super capacitor from discharging during
shipment and storage and it should be moved to ON after installing and programming
the system. If this is not done, the customer data will be lost in the event of power
failure.
2.8.2 MUSIC SOURCE SELECTION
The Basic KSU is equipped with a melody chip to provide music to stations and trunk
lines as Music-On-Hold or Background Music. In addition, an interface is provided for
an external music source such as CD player or a radio, etc.
The system provides a single music channel for Music-On-Hold or Background Music.
Reference should be made to
Figure 2–4 for the selection of the music source at the
end of installation—a shunt-pin switch is used to select the music source between the
internal melody chip or an external music source.
IMPORTANT NOTICE: In accordance with US Copyright Law, a license may be
required from the American Society of Composers, Authors and Publishers (ASCAP) or
another similar organization if copyrighted music is transmitted through the Music on
Hold feature. Samsung Telecommunications America, Inc. hereby disclaims any
liability arising out of failure to obtain such a license.
Each C.O. line (trunk) can be programmed to receive a music source, system
generated TONE or NO MUSIC when it is put on hold
(see MMC 408) . Each keyset can
receive a music source or NO MUSIC for background music. See programming manual
for instructions (MMC 308).
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