Line Input/Output

Type: Transformer Balanced

Input Impedance: 8K Ohms Bridging

Output Impedance: 150 Ohms

Level: 0 dBv nominal

Frequency Response: 50 Hz – 15 kHz, +/-2 dB

Panel Microphone Input

Type: Electret with proprietary phone jack

Input Level: -40 dBv

Gain Adjustment Range: +/-5 dB (software)

Impedance: 200 Ohms

Headset Microphone Input

Type: Dynamic

Input Level: -55 dBv

Gain Adjustment Range: +/-5 dB (software)

Impedance: 200 Ohms

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: RJ-45

Expansion Option: DB-9F

Environmental

Operating Temperature: 0º – 50º C (32º – 125º F)

Humidity: 20% to 90%, non-condensing

Power

In-Line Power Supply, with 3-pin EIA connector, UL approved power supply

Voltage: 90 – 250 VAC, 50 – 60 Hz, 50 VA max.

Dimensions

1.75 x 19 x 6.75 in (HxWxD)

(89 x 483 x 172 mm)

Weight

4.0 lbs (1.84 kg)