PROEL AE300, Руководство по эксплуатации и установке

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If you do not intend to use the remote activation of messages, you cannot leave these terminals open without the device reporting a fault.
Therefore, connect two resistors 2.2Kohm directly on the mainboard terminal J6 (1-2 and 3-4) so that the device does not signal a connection
fault or a Voice Alarm.
4.g Generic announcement microphone workstation
The system has an input for a microphone workstation for generic announcements, that is not evacuation and voice alarm announcements. The
terminal shown in the figure has a balanced microphone input and a priority contact input.
The microphone input for generic announcements also has +48V phantom power supply that can be activated from the menu. ACCESS AT LEVEL
3 -> OK -> 7 x DOWN -> OK -> 6 x DOWN -> OK -> OK -> LEFT -> DOWN -> OK
J5 – Mic paging input 1 – MIC +
2 – MIC GND
3 – MIC -
4 – Priority
5 – GND Priority
Input for microphone paging workstation for generic announcements. 48V Phantom
power supply that can be activated from menu: common mode on pin 1 and 3 compared
to pin 2.
Power levels: 1.0Vrms max, Ri=600Ohm
Active contact for closure to ground, protected up to +42V compared to GND
Use cable with 0.5 mm min and 2.5 mm max section on priority contact.
Use shielded cable with 0.5 mm min section on audio input.
Note: For this application You can use the following microphone workstations: Code PA BM101 // PA BM102