ClearCom FOR-22 - SPECIFICATIONS; AUDIO AND SIGNAL SPECIFICATIONS

FOR-22 4-WIRE INTERFACE
4-1
SPECIFICATIONS
Note: 0 dBv is Referenced to 0.775 Volts RMS
AUDIO OUTPUT
Nominal Output Level Selectable by Jumper Between 0 dBv,
-15 dBv, or -55 dBv
Impedance 600 ohms at 0 dBv
200 ohms at -15 dBv
20 ohms at -55 dBv
Frequency Response 200-10k Hz, ±3 dB
Maximum Output Level +20 dBv
AUDIO INPUT
Level 0 dBv nominal
Impedance >10K ohms (bridging)
Frequency Response 200-10k Hz, ±3 dB
CALL SIGNAL INPUT
Threshold 4 volts DC, Positive or Negative Polarity
Maximum Input Voltage 50 volts
RELAY CONTACTS
Contact Type 1 pair SPDT (single form C)
Contact Voltage Rating 24 volts DC
Contact Current Rating 1 A continuous, 2 A peak at 24 volts DC
DC ISOLATION
Greater than 10 mega-ohms.
4