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RSC-132 A
Speaker Line Monitoring Unit, 1 RU, digital
RSC-132 A
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Description

The RSC-132A is a microprocessor controlled line monitoring device. Up to 32 speaker lines can be monitored fully automatically.
Faults are indicated through a buzzer incorporated in the device, an LED located on the front panel and a potential free contact on the rear. Through the use of external relay boards, connected via a 5 m SUB D cable, the unit is only 1 RU in height. The only preparatory measure for putting the device into operation is to insert the RSC-008A relay boards into the speaker lines. To complete the installation, the relay boards only have to be connected to the base unit and have to be measured.

Features

  • Integrated Watchdog circuit.
  • By measuring the impedance, the device detects missing speakers, short circuits on the line or line breaks.
  • When the measurement is performed, the line is checked for ground faults at the same time.
  • If the measured values are above or below the permissible range, the device indicates „over“ or „under range“.
  • The measuring intervals can be set from 1 minute to 24 hours.
  • The configuration is stored in a non-volatile E2PROM.
  • With 4 relay boards (for 8 circuits) one RSC-132A unit can monitor up to 32 circuits.
  • In the event of an emergency or when an important announcement has to be made, the measurement can be interrupted by means of a potential free contact.
  • When a fault is detected, the unit issues an audible alarm. Additionally, the LED on the front panel is lit. At the same time a contact is closed to activate external units.
  • The 2-digit LCD constantly indicates the time remaining until the next measurement is taken or, in the case of a fault, the type of fault and the affected line.

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