DAPAudio IPS-ISS, Manual

Page: 7 / 12

5
Back panel
Fig. 2
1.
AC Inlet.
This connector is meant for the connection of the supplied main cord. Connect one end of the power
cord to the connector, the other end to the mains, then turn on the power switch (1) to operate
the unit.
Note: Please make sure that the supply voltage matches the operation voltage before
connecting the unit to mains.
2. Fuse Holder.
Replace only with a fuse of same specification.
3. DC 24V Input.
Used to connect an external back up power supply of 24Vdc (e.g. Battery).
4. GND Screw.
This screw offers a separate ground connection. Can be useful in case of grounding problems.
5. Input Alarm.
This input is used to connect an (audio) alarm signal.
6. Speaker.
The unit select up to 10 speaker(group)s.
7. Input Music 2.
If the metal bridge is inserted, the unit functions as a one in 10 out system. If the bridge is removed, the
unit functions as a two in five out system. In a two in five out system, you have to connect both Input 1
and input 2. If the system is used as a one in ten out system, you can use either input 1 or input 2.
8. Input Music 1.
If the metal bridge is inserted, the unit functions as a one in 10 out system. If the bridge is removed, the
unit functions as a two in five out system. In a two in five out system, you have to connect both Input 1
and input 2. If the system is used as a one in ten out system, you can use either input 1 or input 2.
9. Active Level.
High-level signals are valid when the switch is set to HIGH position. In LOW position, low-level signals
are valid.
11. Alarm In.
If an alarm signal is received at any of the 10 alarm inputs, the corresponding CH will go to “Alarm-
mode”. The corresponding LED will blink and alarm out will be activated. If the incoming alarm is reset.
Music will continue automatically on the selected channels. For pin layout of the 25-pole connector see
page 7.
10. Alarm Out .
If any of the 10 channels is in alarm mode, the Alarm out (N.O.) contact will be closed.