SU-114N version 1.3
R&D Department
6
Amplifier, speakers line
and critical path surveillance unit
SU-114N
2. FRONT VIEW
(1) HIGH, OK and LOW status indicators
These three light indicators display the status of
each of the 14 possible surveillance zones of the
SU-114. The indications of the LEDs (see Table I)
show the status of the loudspeaker line, the
power unit or the critical path in each of the
zones.
(2) Timing Select Dipswitch
Used to configure the interval between timed
surveillance sessions (see section 5).
(3) Indicators 1 and 2
Control LEDs for manual adjusting of the unit
(see section 11).
(4) Buttons A and B
Together with Indicators 1 and 2, they are used
for manual adjusting of the unit (see section 11).
(5) RX and TX indicators
Their blinking indicates transmission (TX) or
reception (RX) of data through the RS-485 port.
(6) Download Dipswitch
Allows the user to switch between normal
working mode and firmware download mode.
(7) Download connector
Used for firmware updates.
(8) Power switch
ON / OFF switch.
Switched to OFF, the SU-114N remains in
BYPASS, whereby the PA system continues to
work, but without surveillance.
(9) Power indicator
Power supply indicator.
TABLE I
Figure 1
