Clear-Com i-Series Panels - Manual (Page 81)

Temperature
Operating 0° to 50° C (32° to 125° F)
Humidity 20% to 90%, noncondensing
Power
In-Line Power Supply, with 3-pin EIA connector, UL approved power supply
Voltage
90 to 245 VAC, 50 to 60 Hz, 40 VA max.
Dimensions
Height 1.75 in. (45 mm)
Width 17 3/8 in. (436 mm)
Depth 8.25 in. (210 mm)
Weight
7.5 lbs.
EXPANSION PANEL
Front-Panel Controls and Connectors
Talk/Listen Buttons 30 (4 key modules)
Rear-Panel Connectors
Expansion Option RJ-45
Auxiliary Options Module
Balanced Program Input
Type Transformer Balanced
Input Impedance 8K Ohms Bridging
Frequency Response 50 Hz to15 KHz, ± 2 dB
Connector 3-pin XLR female
Auxiliary Microphone Input
Type Dynamic
Input Level -40 dBu
Gain Adjustment Range ±5 dB (software)
Impedance 200 Ohms
Connector 3-pin XLR female
Line Level Output
Type Transformer Balanced
Output Impedance 600 Ohms
Level 0 dBu nominal
Frequency Response 50 Hz to 15 kHz, ± 2 dB
Connector mini-phone
81 I-Series Panels User Guide