Line Input/Output
Type: Transformer Balanced
Input Impedance: 8K
Ohms Bridging Output Impedance: 150Ω
Level: 0dBv nominal
Frequency Response: 50Hz - 15kHz, +/-2dB
Panel Microphone Input
Type: Electret with proprietary phone jack
Input Level: -40 dBv
Gain Adjustment Range: +/-5 dB (software)
Impedance: 200Ω
Headset Microphone Input
Type: Dynamic
Input Level: -55 dBv Gain
Adjustment Range: +/-5 dB (software)
Impedance: 200Ω
Headphone Outputs
Impedance: 50 - 600Ω
Power: 1/2 Watt into 50Ω
Front Panel Controls and Connectors
Selector Keys: 32
Keypad Keys: 6
Answer Back Selector Key: 1
Volume Controls: Intercom
Headset Connector: XLR-4M
Panel Mic Connector: Locking 1/4\" phone jack
Rear Panel Connectors
Miscellaneous: To
Matrix: RJ45
Expansion Option: DB-9F