Rear Panel - Optimus A-2716 Manual De Instalación Y Funcionamiento

4. REAR PANEL

(11) AC Inlet: Connect the apparatus to the AC mains by AC power cord.
(12) AC Fuse holder: There is an internal fuse in AC inlet. The fuse is used to protect the
equipment. If the fuse blows, please change it by other with same specifications. If the fuse
continues to blow after replacing, please discontinue use this apparatus before it has been
repaired. Please contact a qualified technician or electrician to repair.
Warning: To avoid the risk of fire, do not replace the fuse with other wire.
(13) GND Screw: Use GND screw if grounding is not available on power plug. This screw offers
the grounding connection to the apparatus shell. Such can avoid the electrical shock. Please
contact a qualified technician or electrician to complete the work for safety.
(14) CH1~CH8 Outputs: Audio outputs will broadcast the audio of assigned input or the audio of
the alarm input
(15) ALARM IN: Alarm audio input. This audio signal can be broadcasted to different outputs by
closing the correspondent contacts in ALARM IN connector.
(16) ALARM IN: SUB-D 25 ALARM contact input connector. The pins 1 ~ 8 assign alarm signal to
the corresponding outputs respectively. From pin 14 to 23 are grounding. The alarm signal is
5-24 V high level or 0 V low level (input current is less than 3mA). If a contact is closed, the
corresponding output will switch to emergency input channel automatically.
(17) IN1~IN8 Inputs: IN1 - IN8 are common input sockets. Input the signal that is non-emergency.
(18) ACTIVE LEVEL: Select HIGH if the alarm contact input is activated by high level. Select
LOW if the alarm contact input is activated by low level
(19) MIC Output: Output socket used to send the amplified signal from MIC IN socket on front
panel.
A-2716 Version 1.0
A-2716
Signal Matrix
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