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Installing the Equipment
Backboard
Be sure to plan and allow enough space to mount and
connect the key service unit, power supply and system
battery back up if applicable.
Key Service Unit
Use the enclosed paper template to locate the mounting
position for the Key Service Unit. Drill appropriately
spaced holes and mount the KSU on the wall. When
mounting the KSU, make certain that there is adequate
room for the system power supply and that the connecting cable between the Power Supply and the KSU will
reach the KSU. The same applies for the battery back up unit.
Power Supply
Dedicated Power Source - The power supply must be connected to a dedicated AC outlet.
Be sure that the third wire earth ground of the AC circuit is connected to a good electrical ground. If a music
source is installed, it must be connected to a separate AC circuit rather than the system's dedicated AC line
cord.
Check Your Voltage Selection Jumper
Verify that the input voltage and input voltage jumper are correct before you power on the system. The input
voltage is set according to the Customer's requirement before shipping. However it is important to verify that
the setting is correct prior to initial system power up.
Power Supply voltage options for the unit:
100-VAC: 100 to 120 V AC (50/60Hz) or 240-VAC:
205 to 265 V AC (50/60Hz).
Mount Power Supply
Using screws provided with the system, mount the
power supply close to the KSU so that the connector
reaches from the Power Supply to the KSU.
Preparing The External Battery Backup
The Key Service Unit can have two external backup
batteries in series (12 volts each) for emergency
power when a power failure takes place.
If you are installing an optional Battery Backup (BBOX1), make certain that there is adequate room for its
installation. Make certain that the Battery Backup is mounted close enough to the Power Supply that the
interconnecting cable between the Battery Backup and the Power Supply can connect.
Do Not Connect the Battery Backup at this time!
Do Not Connect the Battery Backup at this time! Battery Backup should not be
connected to the System power supply until all power up testing has been
completed!
22
Mounting Tabs
Key Service Unit
Wall or backboard
Issue 1.5 / May, 2002
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