The JK Audio Interchange LTD Intercom Phone Bridge + Digital Hybrid Interface includes an intercom channel with male and female 3-pin XLR connections. The output level is -10 dBu (250 mV RMS) nominal, with a minimal terminating impedance of 200 Ohms. The bridging impedance is greater than 15 kOhms. Pin assignments include common on pin 1, audio +30 VDC (+12 VDC min) 50 mA on pin 2, and audio on pin 3. A balanced female XLR line out is provided with an impedance of 200 Ohms and a level of 500 mV RMS (-4 dBu nom, +12 dB7 max). The headset interface uses a 1/8" (3.5 mm TRRS) connection. The wireless interface has a frequency response of 50 Hz to 7 kHz (HD Voice). Miscellaneous features include a ringer of 0.8 B REN and isolation of 1500 VAC.
- Intercom Channel: Male & female 3-pin XLR
- Output Level: -10 dBu (250 mV RMS) nominal
- Minimal Terminating Impedance: 200 Ohms
- Bridging Impedance: >15 kOhms
- Pin Assignments: Pin 1: Common Pin 2: Audio +30 VDC (+12 VDC min) 50 mA Pin 3: Audio
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Technical
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